Genomes and Genes
Summary: Sexual union of a male and a female in non-human species.
Publications289 found, 100 shown here
- Sexually antagonistic male adaptation triggered by experimental arrest of female evolutionW R Rice
Department of Biology, University of California, Santa Cruz 95064, USA
Nature 381:232-4. 1996..This male adaptation leads to a reduction in female survivorship, which is mediated by an increased rate of remating and increased toxicity of seminal fluid...
- Allocrine modulation of feeding behavior by the Sex Peptide of DrosophilaGil B Carvalho
Division of Biology 156 29 and 216 76, California Institute of Technology, Pasadena, 91125, USA
Curr Biol 16:692-6. 2006..Here, we show that copulation strongly stimulates female food intake...
- Regulation of copulation duration by period and timeless in Drosophila melanogasterLaura M Beaver
Department of Zoology, Oregon State University, Corvallis, OR 97331, USA
Curr Biol 14:1492-7. 2004..No correlation between fertility and extended copulation duration was found...
- The sex peptide of Drosophila melanogaster: female post-mating responses analyzed by using RNA interferenceTracey Chapman
Department of Biology, Darwin Building, and Wolfson Institute for Biomedical Research, Cruciform Building, University College London, Gower Street, London WC1E 6BT, UK
Proc Natl Acad Sci U S A 100:9923-8. 2003..The prolonged "sperm effect" on female receptivity and egg production is therefore entirely attributable to SP, but sperm are necessary for its occurrence...
- Sex-peptide is the molecular basis of the sperm effect in Drosophila melanogasterHuanfa Liu
Zoological Institute, University of Zurich Irchel, Winterthurerstrasse 190, CH 8057 Zurich, Switzerland
Proc Natl Acad Sci U S A 100:9929-33. 2003..The second conclusion is supported by the finding that SP binds to sperm. The 36-aa-encoding SP gene is the first small Drosophila gene knocked out with the method of homologous recombination...
- Perception of male-male competition influences Drosophila copulation behaviour even in species where females rarely remateAnne Lizé
Institute of Integrative Biology, University of Liverpool, Liverpool, UK
Biol Lett 8:35-8. 2012..in response to the perceived intensity of sperm competition, reflected in Drosophila melanogaster by increased copulation duration following prior exposure to a rival...
- Sophisticated sperm allocation in male fowlTommaso Pizzari
Department of Animal Environment and Health, Swedish University of Agricultural Sciences, Skara PO Box 234, SE 532 23, Sweden
Nature 426:70-4. 2003..Our results indicate that female promiscuity leads to the evolution of sophisticated male sexual behaviour...
- Copulation behavior within one-male groups of wild Rhinopithecus roxellana in the Qinling Mountains of ChinaBaoguo Li
College of Life Sciences, and Key Laboratory of Resource Biology and Biotechnology in Western China of Ministry of Education, Northwest University, Xi an, 710069, China
Primates 48:190-6. 2007..Three post-conception copulations were also observed in this study. These results suggest a skewed sexual competition, with multiple females competing for a single male, which was shown by courtship attempts and female interference...
- Copulation and mate guarding behavior in Triatoma brasiliensis (Hemiptera: Reduviidae)Ana C R Vitta
Centro de Pesquisas Rene Rachou Fiocruz, Av Augusto de Lima 1715, Caixa Postal 1743, CEP 30 190 002, Belo Horizonte, MG, Brazil
J Med Entomol 46:789-95. 2009..of this species copulate with several males in short time intervals, and we examine whether the duration of copulation may vary in the presence of other males compared with what is observed with isolated pairs...
- Post-mating change in excretion by mated Drosophila melanogaster females is a long-term response that depends on sex peptide and spermJennifer Apger-McGlaughon
Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853 2703, USA
J Insect Physiol 59:1024-30. 2013....
- A neuropeptide circuit that coordinates sperm transfer and copulation duration in DrosophilaTimothy D Tayler
Division of Biology 156 29, California Institute of Technology, Pasadena, CA 91125, USA
Proc Natl Acad Sci U S A 109:20697-702. 2012..Here we identify a male-specific neural pathway that coordinates the timing of SSFT with the duration of copulation behavior in Drosophila...
- Antagonistic coevolution between the sexes in a group of insectsGoran Arnqvist
Department of Animal Ecology, Evolutionary Biology Centre, University of Uppsala, Norbyvagen 18D, SE 752 36 Uppsala, Sweden
Nature 415:787-9. 2002..Evolutionary change in the balance of armament between males and females, but not in the species-specific level of escalation, has resulted in evolutionary change in the outcome of sexually antagonistic interactions such as mating rate...
- Experience of mating rivals causes males to modulate sperm transfer in the fly Drosophila pseudoobscuraTom A R Price
Biosciences, University of Exeter, Cornwall Campus, UK
J Insect Physiol 58:1669-75. 2012..This suggests that the evolution of parasperm in flies was not driven by sperm competition and adds to the increasing evidence that males can make extremely sophisticated responses to mating competition...
- Experimental evolution of sperm quality via postcopulatory sexual selection in house miceRenée C Firman
Centre for Evolutionary Biology, School of Animal Biology M092, The University of Western Australia, Nedlands WA 6009, Australia
Evolution 64:1245-56. 2010..Thus, we present significant evidence that sperm competition has profound fitness consequences for both male and female house mice...
- The cost of mating rises nonlinearly with copulation frequency in a laboratory population of Drosophila melanogasterB Kuijper
Department of Ecology, Evolution and Marine Biology, University of California Santa Barbara, CA, USA
J Evol Biol 19:1795-802. 2006..Females that mated more often had substantially reduced lifetime fecundity, and importantly, the fitness cost from remating rapidly accelerated...
- Control of oocyte maturation in sexually mature Drosophila femalesM Soller
Zoologisches Institut, Universitat Zurich Irchel, Winterthurerstrasse 190, Zurich, CH 8057, Switzerland
Dev Biol 208:337-51. 1999In many sexually mature insects egg production and oviposition are tightly coupled to copulation. Sex-Peptide is a 36-amino-acid peptide synthesized in the accessory glands of Drosophila melanogaster males and transferred to the female ..
- The influence of male and female body size on copulation duration and fecundity in Drosophila melanogasterA Lefranc
Universite Pierre et Marie Curie, Laboratoire Fonctionnement et Evolution des Systemes Ecologiques, Paris, France
Hereditas 132:243-7. 2000We studied two components of the mating system, copulation duration and early fecundity, in relation to body size in Drosophila melanogaster...
- Female chimpanzees use copulation calls flexibly to prevent social competitionSimon W Townsend
School of Psychology, University of St Andrews, St Andrews, Scotland, United Kingdom
PLoS ONE 3:e2431. 2008The adaptive function of copulation calls in female primates has been debated for years. One influential idea is that copulation calls are a sexually selected trait, which enables females to advertise their receptive state to males...
- The host-seeking inhibitory peptide, Aea-HP-1, is made in the male accessory gland and transferred to the female during copulationChiara Naccarati
Faculty of Biological Sciences, University of Leeds, Leeds, UK
Peptides 34:150-7. 2012..of the MAG, occurs at high concentrations in the gland and is transferred to the female reproductive tract on copulation. Aea-HP-1 has a pyroglutamic acid at the N-terminus, an amidated carboxyl at the C-terminus and an unusual 4-..
- The heritability of multiple male mating in a promiscuous mammalS Eryn McFarlane
Department of Integrative Biology, University of Guelph, Guelph, ON, Canada
Biol Lett 7:368-71. 2011....
- Regulation of sexual receptivity of female Mediterranean fruit flies: old hypotheses revisited and a new synthesis proposedS Mossinson
Department of Entomology, Hebrew University of Jerusalem, POB 12, Rehovot, 76100, Israel
J Insect Physiol 49:561-7. 2003..Duration of a female's first copulation did not affect her subsequent receptivity...
- Male × female interaction for a pre-copulatory trait, but not a post-copulatory trait, among cosmopolitan populations of Drosophila melanogasterAlison Pischedda
Department of Ecology, Evolution and Marine Biology, University of California Santa Barbara, Santa Barbara, California, United States of America
PLoS ONE 7:e31683. 2012..Thus, the evolutionary mechanisms promoting male-female genotype interactions for pre-copulatory mating traits in D. melanogaster warrant further investigation...
- Male mammals respond to a risk of sperm competition conveyed by odours of conspecific malesJavier Delbarco-Trillo
Department of Biology, University of Memphis, Ellington Hall, Memphis, Tennessee 38152, USA
Nature 431:446-9. 2004..Such an increase in sperm investment does not occur by augmenting the frequency of ejaculations, but by increasing the amount of sperm in a similar number of ejaculations...
- Females increase offspring heterozygosity and fitness through extra-pair matingsKatharina Foerster
Max Planck Research Centre for Ornithology, PO Box 1564, D 82305 Starnberg Seewiesen, Germany
Nature 425:714-7. 2003..The cost of inbreeding may therefore be an important factor driving the evolution of female extra-pair mating...
- Behavioral transition from attack to parenting in male mice: a crucial role of the vomeronasal systemKashiko S Tachikawa
Research Unit for Affiliative Social Behavior and Laboratory for Neurobiology of Synapse, RIKEN Brain Science Institute, Saitama 351 0198, Japan
J Neurosci 33:5120-6. 2013..Thus, the downregulation of pup pheromone-induced activation of the vomeronasal system might be important for the behavioral transition from attack to parenting in male mice...
- The evolution of infidelity in socially monogamous passerines: the strength of direct and indirect selection on extrapair copulation behavior in femalesGoran Arnqvist
Department of Ecology and Evolution, Animal Ecology, Evolutionary Biology Centre, University of Uppsala, SE 752 36 Uppsala, Sweden
Am Nat 165:S26-37. 2005....
- Male and female condition influence mating performance and sexual receptivity in two tropical fruit flies (Diptera: Tephritidae) with contrasting life historiesM Aluja
Instituto de Ecologia, A C, Xalapa, Veracruz, Mexico
J Insect Physiol 55:1091-8. 2009..b>Copulation duration also depended on both male and female nutritional condition, and the interaction between male diet and ..
- Postmating transcriptional changes in reproductive tracts of con- and heterospecifically mated Drosophila mojavensis femalesJeremy M Bono
Department of Biology, University of Colorado, Colorado Springs, CO 80918, USA
Proc Natl Acad Sci U S A 108:7878-83. 2011..postmating transcriptional response of the lower reproductive tract of Drosophila mojavensis females following copulation with either conspecific or heterospecific (Drosophila arizonae) males at three time points postmating...
- Polyandry increases offspring viability and mother productivity but does not decrease mother survival in Drosophila pseudoobscuraPatricia Adair Gowaty
Department of Ecology and Evolutionary Biology and Institute of the Environment, University of California, Los Angeles, CA 90095, USA
Proc Natl Acad Sci U S A 107:13771-6. 2010..To our knowledge, this is the first study to examine simultaneously in outbred WT Drosophila pseudoobscura the lifetime costs and benefits to females of polyandry, monogamy with a single copulation, and monogamy with repeat copulations.
- How Drosophila males make eggs: it is elementalT A Markow
Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
Proc Biol Sci 268:1527-32. 2001....
- New reproductive anomalies in fruitless-mutant Drosophila males: extreme lengthening of mating durations and infertility correlated with defective serotonergic innervation of reproductive organsG Lee
Department of Biology, Brandeis University, Waltham, Massachusetts 02454, USA
J Neurobiol 47:121-49. 2001..This gene is known to influence courtship steps prior to mating, due to the absence of attempted copulation in the behavioral repertoire of most types of fru-mutant males...
- Drosophila female sexual behavior induced by sterile males showing copulation complementationL Xue
Institute for Molecular Biology, University of Zurich, Winterthurerstrasse 190, CH 8057 Zurich, Switzerland
Proc Natl Acad Sci U S A 97:3272-5. 2000..To prevent invasion of sperm from other males, Drosophila males elicit a rejection behavior in their mates after copulation. Using paired mutant males that, for the lack of accessory glands, are sterile, we show that this rejection ..
- Copulation songs in three siblings of Lutzomyia longipalpis (Diptera: Psychodidae)N A de Souza
Departamento de Entomologia, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
Trans R Soc Trop Med Hyg 96:102-3. 2002..The striking differences in the songs from 3 Brazilian populations of this sandfly with 3 distinct male pheromones support the 3 sibling species previously proposed based on this characteristic...
- A cholinergic-regulated circuit coordinates the maintenance and bi-stable states of a sensory-motor behavior during Caenorhabditis elegans male copulationYishi Liu
Department of Biology, Texas A and M University, College Station, Texas, United States of America
PLoS Genet 7:e1001326. 2011..We demonstrate that coordination of sensory inputs and motor outputs used to initiate, maintain, self-monitor, and complete an innate behavior is accomplished via the coupling of a few circuit components...
- Coevolution between harmful male genitalia and female resistance in seed beetlesJohanna Rönn
Evolutionary Biology Centre, Department of Ecology and Evolution, Animal Ecology, University of Uppsala, Norbyvagen 18D, SE 752 36 Uppsala, Sweden
Proc Natl Acad Sci U S A 104:10921-5. 2007..We show that more spiny male genitalia causes more harm to females during copulation and provide comparative evidence for the correlated evolution between these antagonistic adaptations in males ..
- lingerer, a Drosophila gene involved in initiation and termination of copulation, encodes a set of novel cytoplasmic proteinsHisato Kuniyoshi
ERATO Yamamoto Behavior Genes Project, Japan Science and Technology Corporation at Mitsubishi Kasei Institute of Life Sciences, Tokyo 194 8511, Japan
Genetics 162:1775-89. 2002..melanogaster, we have characterized a novel gene, lingerer (lig), mutations of which result in abnormal copulation. Males carrying a hypomorphic mutation in lig fail to withdraw their genitalia upon termination of copulation, ..
- Copulation corrupts immunity: a mechanism for a cost of mating in insectsJens Rolff
Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, United Kingdom
Proc Natl Acad Sci U S A 99:9916-8. 2002....
- Excitotoxic lesions of the tegmental pedunculopontine nucleus impair copulation in naive male rats and block the rewarding effects of copulation in experienced male ratsTod E Kippin
Neurobiology Research Group, Department of Anatomy and Cell Biology, University of Toronto, 1 King s College Circle, Toronto, Ontario, M5S 1A8, Canada
Eur J Neurosci 18:2581-91. 2003..In sexually naive males, complete bilateral TPP lesions decreased all measure of copulation (i.e...
- Sperm-female coevolution in DrosophilaGary T Miller
Department of Biology, Syracuse University, 108 College Place, Syracuse, NY 13244, USA
Science 298:1230-3. 2002..Giant sperm tails are the cellular equivalent of the peacock's tail, having evolved because females evolved reproductive tracts that selectively bias paternity in favor of males with longer sperm...
- Determinants of sperm transfer in the scorpionfly Panorpa cognate: male variation, female condition and copulation durationL Engqvist
Institut fur Evolutionsbiologie und Okologie, Rheinische Friedrich Wilhelms Universitat Bonn, Bonn, Germany
J Evol Biol 16:1196-204. 2003..Male sperm investment into a current copulation may therefore influence resources available for future matings, which selects for male strategic mating ..
- Effects of acute and chronic apomorphine on sex behavior and copulation-induced neural activation in the male ratJocelien D A Olivier
Department of Anatomy, UMC St Radboud, University of Nijmegen, The Netherlands
Eur J Pharmacol 576:61-76. 2007....
- Copulation enhances resistance against an entomopathogenic fungus in the mealworm beetle Tenebrio molitorTerhi M Valtonen
Department of Biology, Section of Ecology, University of Turku, FI 20014 Turku, Finland
Parasitology 137:985-9. 2010..A previous study on Tenebrio molitor showed that copulation decreases phenoloxidase activity in the haemolymph, and concluded that copulation corrupts immunity in this ..
- A receptor that mediates the post-mating switch in Drosophila reproductive behaviourNilay Yapici
Research Institute of Molecular Pathology IMP, Dr Bohr Gasse 7, A 1030 Vienna, Austria
Nature 451:33-7. 2008..SPR is highly conserved across insects, opening up the prospect of new strategies to control the reproductive and host-seeking behaviours of agricultural pests and human disease vectors...
- Copulation reduces male but not female longevity in Saltella sphondylli (Diptera: Sepsidae)O Y Martin
Zoological Museum, University of Zurich, Zurich, Switzerland
J Evol Biol 17:357-62. 2004..However, evidence of mating costs for males is much rarer. We investigated the effects of copulation on longevity of male and female flies (Saltella sphondylli)...
- The limits of sexual conflict in the narrow sense: new insights from waterfowl biologyPatricia L R Brennan
Department of Biology, University of Massachusetts, Amherst, MA 01003, USA
Philos Trans R Soc Lond B Biol Sci 367:2324-38. 2012..We propose a return to a broader view of conflict where indirect selection and intrasexual selection are considered important in the evolution of conflict...
- Anatomy of the baculum-corpus cavernosum interface in the norway rat (Rattus norvegicus), and implications for force transfer during copulationD A Kelly
Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
J Morphol 244:69-77. 2000..Its function during copulation is unknown...
- Negative phenotypic and genetic associations between copulation duration and longevity in male seed beetlesE A Brown
Centre for Ecology and Conservation, University of Exeter, Cornwall Campus, Tremough, Penryn, UK
Heredity (Edinb) 103:340-5. 2009..We find that the duration of a male's first copulation is negatively associated with subsequent male survival, phenotypically and genetically...
- Sperm competition games: a general model for precopulatory male-male competitionGeoff A Parker
Department of Evolution, Ecology and Behaviour, Institute of Integrative Biology, Biosciences Building, University of Liverpool, Liverpool L69 7ZB, United Kingdom
Evolution 67:95-109. 2013..A negative correlation between a and M is biologically plausible, and may buffer deviations from the previous models. There is some support for our predictions from comparative analyses across dung beetle species and frog populations...
- Identification and differential expression of a sex-peptide receptor in Helicoverpa armigeraOrly Hanin
Department of Entomology, Hebrew University, P O Box 12, Rehovot 76100, Israel
Insect Biochem Mol Biol 41:537-44. 2011..Males orient to the females by upwind anemotaxis which usually leads to a successful mating. During copulation insect males transfer seminal peptides, produced in Male Accessory Glands (MAGs) which are implicated in post-..
- Copulation in C. elegans males requires a nuclear hormone receptorGe Shan
Department of Biology and Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30302 4010, USA
Dev Biol 322:11-20. 2008..We suggest that UNC-55 acts as an interface between genes involved in male tail pattern formation and those responsible for function...
- Sperm allocation and cost of mating in a tropical tephritid fruit flyDiana Perez-Staples
Instituto de Ecologia, A C, Apartado Postal 63, C P 91000, Xalapa, Veracruz, Mexico
J Insect Physiol 52:839-45. 2006..Ejaculate size was not related to male mating history; time elapsed since the last mating, copulation duration, female thorax length or head width...
- Fruitless RNAi knockdown in males interferes with copulation success in Schistocerca gregariaBart Boerjan
Research Group Functional Genomics and Proteomics, K U Leuven, Naamsestraat 59, Leuven, Belgium
Insect Biochem Mol Biol 41:340-7. 2011..gene (Fru(M)) codes for a set of transcription factors that are involved in the regulation of male courtship and copulation. Fru(M) is expressed in an interconnected neuronal circuit containing central and sensory neurons as well as ..
- Spontaneous male death during copulation in an orb-weaving spiderMatthias W Foellmer
Department of Biology, Concordia University, 1455 Boulevard de Maisonneuve W, Montreal, Quebec H3G 1M8, Canada
Proc Biol Sci 270:S183-5. 2003..Here, we provide the first experimental evidence to our knowledge of programmed sudden death after onset of copulation in males of the spider Argiope aurantia...
- Exposure of C57BL/6J male mice to an electric field improves copulation rates with superovulated femalesTakuya Hori
Research Unit for Functional Genomics, National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Japan
J Reprod Dev 51:393-7. 2005It is well-known that there are considerable strain differences in the relative copulation rates between male and superovulated female mice. In particular, the C57BL/6J strain of mice has a lower rate of successful copulation...
- Androgen threshold to activate copulation differs in male rats prenatally exposed to alcohol, stress, or both factorsI L Ward
Department of Psychology, Villanova University, Villanova, Pennsylvania, 19085, USA
Horm Behav 36:129-40. 1999..Such deficits may be concealed when behavior is evaluated in gonadally intact animals...
- Play, copulation, anatomy, and testosterone in gonadally intact male rats prenatally exposed to flutamideJoseph M Casto
Department of Psychology, Villanova University, Villanova, PA 19085, USA
Physiol Behav 79:633-41. 2003..These data suggest that androgen released prior to birth is needed for the full masculinization of juvenile play behaviors in the rat, just as it is for the adult copulatory pattern...
- Female bonobos use copulation calls as social signalsZanna Clay
School of Psychology, University of St Andrews, St Andrews KY16 9JP, UK
Biol Lett 7:513-6. 2011During mating events, females of many primate species produce loud and distinct vocalizations known as 'copulation calls'...
- Activation of mu opioid receptors in the medial preoptic area following copulation in male ratsL M Coolen
Department of Cell Biology, Neurobiology and Anatomy, University of Cincinnati College of Medicine, Vontz Center for Molecular Studies, 3125 Eden Avenue, Cincinnati, OH 45267 0521, USA
Neuroscience 124:11-21. 2004..In summary, these results provide further evidence that endogenous opioid peptides are released in the MPOA during male sexual behavior...
- A nitric oxide synthesis inhibitor in the medial preoptic area inhibits copulation and stimulus sensitization in male ratsGwen Lagoda
Department of Psychology, State University of New York at Buffalo, USA
Behav Neurosci 118:1317-23. 2004Dopamine in the medial preoptic area (MPOA) facilitates copulation in male rats, and nitric oxide (NO) regulates basal and female-stimulated MPOA dopamine release...
- Perineal swelling, intermenstrual cycle, and female sexual behavior in bonobos (Pan paniscus)T Paoli
Centro Interdipartimentale Museo di Storia Naturale e del Territorio, Universita di Pisa, Pisa, Italy
Am J Primatol 68:333-47. 2006..We suggest that GG-rubbing, which is generally the most frequent female sexual interaction, is a tool for social assessments among females...
- An NMDA antagonist impairs copulation and the experience-induced enhancement of male sexual behavior in the ratWhitney S Powell
Department of Psychology, University at Buffalo, The State University of New York, 14260, USA
Behav Neurosci 117:69-75. 2003..7 daily exposures to an inaccessible estrous female instead of sexual experience displayed enhancement of copulation on the following day...
- Mutual adaptation between mouse transglutaminase 4 and its native substrates in the formation of copulatory plugHuan Chin Tseng
Institute of Biochemical Sciences, College of Life Science, National Taiwan University, Taipei, Taiwan
Amino Acids 42:951-60. 2012..Together with the properties of TGM4 and the nature of its disulfide-linked SVS protein substrates, male mice can easily transform the semen into a rigid and durable copulatory plug, which is an important advantage in sperm competition...
- Sexual conflict over the duration of copulation in Drosophila montana: why is longer better?Dominique Mazzi
Department of Biological and Environmental Science, University of Jyvaskyla, PO Box 35, FIN 40014, Finland
BMC Evol Biol 9:132. 2009..The reproductive behaviour of Drosophila montana suggests the occurrence of sexual conflict over the duration of copulation. During the last stages of copulation, females vigorously attempt to dislodge the mounting male, while males ..
- Fates and targets of male accessory gland proteins in mated female Drosophila melanogasterK Ravi Ram
Department of Molecular Biology and Genetics, Biotechnology Building, Cornell University, Ithaca, NY 14853, USA
Insect Biochem Mol Biol 35:1059-71. 2005..gland proteins (Acps) in Drosophila are components of the seminal fluid and are transferred to females during copulation. In mated females, Acps enhance egg production, augment sperm storage, induce refractory mating behaviors, and ..
- A time-sequence functional analysis of mating behaviour and genital coupling in Drosophila: role of cryptic female choice and male sex-drive in the evolution of male genitaliaS Jagadeeshan
Department of Biology, McMaster University, Hamilton, ON, Canada
J Evol Biol 19:1058-70. 2006..selection has been invoked to explain this trend, the functional significance of genital structures during copulation remains obscure...
- High-resolution X-ray computed tomography scanning of primate copulatory plugsJoyce A Parga
Department of Anthropology, University of Texas at Austin, Austin, Texas 78712, USA
Am J Phys Anthropol 129:567-76. 2006..from coagulated ejaculate, and are routinely displaced in this species by the penis of a subsequent mate during copulation (Parga  Int. J. Primatol. 24:889-899)...
- Developmental plasticity in sexual roles of butterfly species drives mutual sexual ornamentationKathleen L Prudic
Ecology and Evolutionary Biology, Yale University, 165 Prospect Street, New Haven, CT 06511, USA
Science 331:73-5. 2011..Thus, reciprocal selection through time may result in mutual sexual ornamentation...
- Integration of male mating and feeding behaviors in Caenorhabditis elegansTodd R Gruninger
Department of Biology, Texas A and M University, College Station, Texas 77843 3258, USA
J Neurosci 26:169-79. 2006..Additionally, unc-103-induced spicule protraction can be suppressed by reducing a pharyngeal-specific troponin T. These observations demonstrate that non-genitalia cells involved in feeding also mediate male sexual behaviors...
- Spawning, copulation and inbreeding coefficients in marine invertebratesJ A Addison
Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4J1
Biol Lett 1:450-3. 2005..This result was robust to several different analytical approaches. We note several mechanisms that might contribute to this pattern, and appeal for more studies and ideas that might help to explain our observations...
- Initiation of male sperm-transfer behavior in Caenorhabditis elegans requires input from the ventral nerve cordGary Schindelman
Howard Hughes Medical Institute and Division of Biology, California Institute of Technology, Pasadena, CA 91125, USA
BMC Biol 4:26. 2006..We and others have begun in-depth analyses of all these steps in order to understand how complex behaviors are generated. Here we extend our understanding of the sperm-transfer step of male mating behavior...
- Display of proceptive behaviors in relation to urinary and fecal progestin levels over the ovarian cycle in female tufted capuchin monkeysM Carosi
Institute of Psychology, National Research Council, Rome, Italy
Horm Behav 36:252-65. 1999..Furthermore, the ejaculations observed always occurred within proceptive periods. The results clearly indicate that female behavior is a good indicator of the periovulatory phase and can enhance female attractivity...
- Concealed fertility and extended female sexuality in a non-human primate (Macaca assamensis)Ines Fürtbauer
Primate Social Evolution Group, Courant Research Centre Evolution of Social Behaviour, Georg August University Gottingen, Gottingen, Germany
PLoS ONE 6:e23105. 2011..in wild Assamese macaques (Macaca assamensis), a species where females lack prominent anogenital swellings and copulation calls...
- Information content of female copulation calls in yellow baboonsStuart Semple
Institute of Zoology, Regents Park, London, United Kingdom
Am J Primatol 56:43-56. 2002In a wide variety of animal species, females produce vocalizations just before, during, or immediately after copulation. Observational and experimental evidence indicates that these copulation calls are sexually selected traits, ..
- Food restriction dissociates sexual motivation, sexual performance, and the rewarding consequences of copulation in female Syrian hamstersCandice M Klingerman
Department of Biological Sciences, Lehigh University, Bethlehem, PA 18015, USA
Behav Brain Res 223:356-70. 2011..In Experiment 2, neural activation increased 1h after copulation in the NAc, and did not differ significantly between 10-day food-restricted and ad libitum-fed females in any ..
- A Drosophila protein specific to pheromone-sensing gustatory hairs delays males' copulation attemptsSu K Park
Department of Genetics, Dartmouth Medical School, Hanover, New Hampshire 03755, USA
Curr Biol 16:1154-9. 2006..Together, these data indicate that CheB42a is required for a normal gustatory response to female cuticular hydrocarbon pheromones that modulate male courtship...
- Enriching early adult environment affects the copulation behaviour of a tephritid flyFrancisco Diaz-Fleischer
Inbioteca, Universidad Veracruzana, Campus para la Cultura, las Artes y el Deporte, 101 Avenue de las Culturas Veracruzanas, 91090 Xalapa, Veracruz, Mexico
J Exp Biol 212:2120-7. 2009..We expanded previous studies to evaluate how early experience in an enriched environment affects copulation behaviour when animals are confronted with a complex semi-natural environment...
- Vasopressin cell groups exhibit strongly divergent responses to copulation and male-male interactions in miceJacqueline M Ho
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Horm Behav 58:368-77. 2010..the Fos responses of eight hypothalamic and three extra-hypothalamic AVP-immunoreactive (-ir) cell groups to copulation, nonaggressive male-male interaction, and aggressive male-male interaction in both dominant and subordinate ..
- Genetic basis of male sexual behaviorScott W Emmons
Department of Molecular Genetics, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, New York 10461, USA
J Neurobiol 54:93-110. 2003..of genes and circuits that govern behaviors ranging from motivation and mate-searching to courtship and copulation. Some worm and fly genes have counterparts with related functions in higher animals and many more such ..
- Median bundle neurons coordinate behaviours during Drosophila male courtshipDevanand S Manoli
Neurosciences Program, Stanford University, Stanford, California 94305, USA
Nature 430:564-9. 2004..absence of orienting and tapping, and the simultaneous occurrence of wing vibration, licking and attempted copulation. Our results identify a small group of median bundle neurons, that in wild-type Drosophila appropriately trigger ..
- Why it is difficult to model sperm displacement in Drosophila melanogaster: the relation between sperm transfer and copulation durationA S Gilchrist
Galton Laboratory, Department of Biology, University College London, United Kingdom
Evolution 54:534-42. 2000We have investigated the effects of experimental manipulation of copulation duration on sperm displacement in Drosophila melanogaster. Both spermless and normal males were used as second (displacing) males in the experiments...
- Female genitalia concealment promotes intimate male courtship in a water striderChang S Han
Laboratory of Behavioral Ecology and Evolution, School of Biological Sciences, Seoul National University, Seoul, South Korea
PLoS ONE 4:e5793. 2009..Our results indicate that the apparent victory of coevolutionary arms race by one sex in terms of morphology may trigger evolution of a behavioral phenotype in the opposite sex...
- Behavioural ecology: transient sexual mimicry leads to fertilizationRoger T Hanlon
Marine Resources Center, Marine Biological Laboratory, Woods Hole, Massachusetts 02543, USA
Nature 433:212. 2005..These results are surprising, given the high rate at which females reject copulation attempts by males, the strong mate-guarding behaviour of consort males, and the high level of sperm competition ..
- One tool, many uses: precopulatory sexual selection on genital morphology in Aquarius remigisA Bertin
Department of Biology, University of California Riverside, CA, USA
J Evol Biol 18:949-61. 2005..These results highlight the multiple functions of genital organs and the importance of both precopulatory and post-copulatory sexual selection in shaping the remarkable diversity of male genitalia in insects...
- The function of female resistance behavior: intromission by male coercion vs. female cooperation in sepsis flies (Diptera: Sepsidae)William G Eberhard
Smithsonian Tropical Research Institute, Escuela de Biologia, Universidad de Costa Rica, Ciudad Universitaria, Costa Rica
Rev Biol Trop 50:485-505. 2002Female resistance behavior that occurs prior to intromission does not by itself imply forced copulation. Such behavior may function instead as a test of the male in order to favor some males over others, or to induce the male to desist...
- Neuronal nitric oxide synthase and gonadal steroid interaction in the MPOA of male rats: co-localization and testosterone-induced restoration of copulation and nNOS-immunoreactivitySatoru Sato
Department of Psychology, University at Buffalo, SUNY, Buffalo, New York 14260 4110, USA
Brain Res 1043:205-13. 2005..in the medial preoptic area (MPOA) has been implicated in various physiological functions, including male rat copulation. Based on their apparent sensitivity to gonadal steroid manipulation, we hypothesized that nNOS cells contain ..
- Effects of mating stimuli and oxytocin on plasma cortisol concentration in giltsGenowefa Kotwica
Department of Animal Physiology, University of Warmia and Mazury, Olsztyn, Poland
Reprod Biol 2:25-37. 2002..v.). Plasma cortisol concentrations were increased following OT administration in all gilts of experiment 4. The highest cortisol response to OT was noted in gilts primed with EB+P4 (p<0.01 vs. other groups)...
- The influence of self-fertilization performance and copulation behaviour in reproduction by cross-fertilization in groups of Biomphalaria tenagophila (Mollusca, Planorbidae)J S de Freitas
Departamento de Ecologia, Universidade de Brasilia, DF, Brasil
Mem Inst Oswaldo Cruz 92:739-43. 1997..the process of self-fertilization do not increase their reproductive success after the end of grouping; (b) the copulation behaviour and the presence of one snail whose eggs have a low viability rate influence the partner's ..
- Coolidge effect in pond snails: male motivation in a simultaneous hermaphroditeJoris M Koene
Department of Animal Ecology, Faculty of Earth and Life Sciences, Vrije Universiteit, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
BMC Evol Biol 7:212. 2007..hermaphroditic pond snail, Lymnaea stagnalis, can mate in the male and female role, but within one copulation only one sexual role is performed at a time...
- The perirhinal-entorhinal cortex, but not the hippocampus, is critical for expression of individual recognition in the context of the Coolidge effectA Petrulis
Laboratory of Cognitive Neurobiology, Department of Psychology, Boston University, 64 Cummington Street, Boston, MA 02215, USA
Neuroscience 122:599-607. 2003The Coolidge effect is a phenomenon in which males show renewed sexual interest in a novel female following copulation to satiety with another female...
- Effects of testosterone metabolites on copulation and medial preoptic dopamine release in castrated male ratsSusan K Putnam
Department of Psychology, University at Buffalo, State University of New York, Buffalo, NY 14260 4110, USA
Horm Behav 44:419-26. 2003..Dopamine (DA) is released in the MPOA of male rats shortly before and during copulation. The recent presence of testosterone (T) may be necessary for this precopulatory increase in release...
- 40- and 70-kHz vocalizations of mice (Mus musculus) during copulationN R White
Department of Biological Sciences, Rutgers the State University, Piscataway, NJ 08855 1059, USA
Physiol Behav 63:467-73. 1998..As expected, the mice emitted numerous 70-kHz vocalizations. At the beginning of the test, before copulation began, 70-kHz calls were emitted almost continuously, while calls with lower spectrographic frequencies were not ..
- Effects of testosterone metabolites on copulation, medial preoptic dopamine, and NOS-immunoreactivity in castrated male ratsSusan K Putnam
Department of Psychology, State University of New York at Buffalo, NY 14260 4110, USA
Horm Behav 47:513-22. 2005..Dopamine (DA) is released in the MPOA of male rats shortly before and during copulation. In a previous study, we identified 17beta-estradiol (E(2)) as the metabolite of testosterone (T) that maintains ..
- Copulation behaviour of Glossina pallidipes (Diptera: Muscidae) outside and inside the female, with a discussion of genitalic evolutionR D Briceño
Escuela de Biologia, Universidad de Costa Rica, Ciudad Universitaria, Costa Rica
Bull Entomol Res 97:471-88. 2007..aspects of the morphology and behaviour of male genitalia should often function to stimulate the female during copulation. The morphology and behaviour of the complex, species-specific male genitalia of the tsetse fly, Glossina ..
- Caenorhabditis elegans UNC-103 ERG-like potassium channel regulates contractile behaviors of sex muscles in males before and during matingL Rene Garcia
Department of Biology, Texas A and M University, College Station, Texas 77843 3258, USA
J Neurosci 23:2696-705. 2003..The premature prolonged contractions cause the spicules to extend from the male tail before the spicule tips penetrate the vulva. These observations demonstrate that unc-103 controls various aspects of spicule function...
- Fellatio by fruit bats prolongs copulation timeMin Tan
Guangdong Entomological Institute, Guangzhou, China
PLoS ONE 4:e7595. 2009..Female bats often lick their mate's penis during dorsoventral copulation. The female lowers her head to lick the shaft or the base of the male's penis but does not lick the glans penis ..
- Androgen receptor blockade in the MPOA or VMN: effects on male sociosexual behaviorsShannon M Harding
Center for Anatomy and Functional Morphology, Mount Sinai School of Medicine, New York, NY 10029, USA
Physiol Behav 81:671-80. 2004..that androgen receptors in the medial preoptic area (MPOA) and ventromedial nucleus (VMN) are necessary for copulation in male rats. The present study examined whether these receptors are required for other sociosexual behaviors...
- Long-term effects of pubertal anabolic-androgenic steroid exposure on reproductive and aggressive behaviors in male ratsSara F Farrell
Center for Anatomy and Functional Morphology, Mount Sinai School of Medicine, New York, NY 10029, USA
Horm Behav 46:193-203. 2004..study examined acute and long-term effects of anabolic-androgenic steroid (AAS) exposure during puberty on copulation, vocalizations, scent marking, and intermale aggression, both with and without tail pinch, in intact male rats...
- Effects of methoxychlor exposure during perinatal period on reproductive function after maturation in ratsMasatoshi Suzuki
Department of Veterinary Physiology, Veterinary Medical Science, The University of Tokyo, Japan
J Reprod Dev 50:455-61. 2004..These results suggest that perinatal exposure to MXC exerts permanent effects on several aspects of the reproductive function in both male and female rats...
- Sperm competition and diversity in rodent copulatory behaviourP Stockley
Animal Behaviour Group, Faculty of Veterinary Science, University of Liverpool, Leahurst Veterinary Field Station, Chester High Road, Neston, CH64 7TE, UK
J Evol Biol 17:1048-57. 2004..We conclude that sperm competition is likely to be an important selection pressure explaining diversity in mammalian copulatory behaviour...
- Fecundity and MHC affects ejaculation tactics and paternity bias in sand lizardsMats Olsson
Department of Zoology, University of Gothenburg, Box 463 SE 405 30, Gothenburg, Sweden
Evolution 58:906-9. 2004We demonstrate that extending copulation enhances probability of paternity in sand lizards and that determinants of copulation duration depend on a males' mating order (first or second)...
- Brain hyperthermia and temperature fluctuations during sexual interaction in female ratsRobert D Mitchum
Behavioral Neuroscience Branch, National Institute on Drug Abuse Intramural Research Program, National Institutes of Health, DHHS, 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
Brain Res 1000:110-22. 2004....
- NEUROENDOCRINE CONTROL OF REPRODUCTIVE BEHAVIORLAUREN RITERS; Fiscal Year: 2003..During the breeding season, song in male starlings (Sturnus vulgaris) is observed prior to pair formation and copulation and likely reflects male sexual arousal...
- HORMONE-NEUROTRANSMITTER INTERACTIONS IN THE BRAINElaine M Hull; Fiscal Year: 2011..to ejaculate is correlated with an increase in extracellular DA in response to a receptive female and during copulation;this increase requires androgen, as well as estrogen and NO...
- Opioids and individual differences in social communicationLauren V Riters; Fiscal Year: 2013..g., courtship song results in copulation)...
- SEXUALITY IN ROMANTIC RELATIONSHIPS--DIARY STUDYTODD SHACKELFORD; Fiscal Year: 1999..that prevent future infidelity or that "correct" recent infidelity by, for example, motivating immediate copulation. The social monogamy of birds--and the female infidelity that is the primary context for sperm competition--..
- Role of Endogenous Opioids in Male Reproductive BehaviorLique Coolen; Fiscal Year: 2006..internalization of the mu opioid receptor in the male rat preoptic area of the hypothalamus following copulation. Furthermore, the question which endogenous opioid peptides are released during sexual behavior will be ..
- NEURAL ANDROGEN RECEPTORS FACILITATING COPULATIONRuth Wood; Fiscal Year: 1999..first Specific Aim, we will determine essential neurobiological mechanisms by which gonadal hormones stimulate copulation through autoregulation of their receptor...
- INTEGRATION OF CHEMOSENSORY AND HORMONAL STIMULIRuth Wood; Fiscal Year: 2006..extensive anogenital investigation of females before mating, and removal of the olfactory bulbs abolishes both copulation and preference for an estrous female...
- HORMONE-NEUROTRANSMITTER INTERACTIONS IN THE BRAINElaine Hull; Fiscal Year: 2004..The medial preoptic area (MPOA) is essential for males' copulation in virtually all vertebrate species...
- ANDROGEN MODULATION OF BRAIN FUNCTIONMARILYN MCGINNIS; Fiscal Year: 2001..All of these behaviors, along with copulation itself, are influential in the expression of MSB and will be referred to herein as androgen-dependent sexual ..
- STEROID HORMONES--BRAIN AND BEHAVIORANNE ETGEN; Fiscal Year: 2007..somatosensory (flank/perineal and/or vaginocervical) rather than[unreadable] olfactory stimuli associated with copulation are responsible for[unreadable] norepinephrine (NE) release from the hypothalamus of hormone-treated,[unreadable]..
- SEXUAL DIFFERENTIATION IN THE CNS OF DROSOPHILABruce Baker; Fiscal Year: 2006..from the initial recognition of a potential mate, through to the transfer of bodily fluids and the duration of copulation. That fru functions during developmental to establish the potential for male sexual behavior is suggested by the ..
- ORGANIZATION OF MALE REPRODUCTIVE NEURAL CIRCUITSAnne Murphy; Fiscal Year: 2002..We postulate therefore that increased MPO activity before and during copulation functions, in part, to reduce the tonic inhibition ("disinhibition hypothesis") on spinal motor reflexes...
- Pavlovian Conditioning of Sexual Behavior and FertilityBrian Cusato; Fiscal Year: 2006..a more functional approach will measure increases in the efficiency of a subject's interactions with a copulation partner...
- GENDER RELATED DIFFERENCE IN VISCERAL SENSITIVITY IN IBSBruce Naliboff; Fiscal Year: 2000..Since women are more likely than men to experience pain affecting pelvic viscera during copulation, pregnancy and labor, it is hypothesized that women exhibit differences in at least two type of responses to ..
- Somatosensory cortex in affective social relationshipsSally Mendoza; Fiscal Year: 2003..the chest or mouth of another group member, and, for males, bimanual clasping of the female's haunches during copulation. The proposed research will examine the role of several somatosensory cortical areas we believe are involved in ..
- NEUROENDOCRINE REGULATION OF REPRODUCTIVE BEHAVIORROBERT LEIPHEIMER; Fiscal Year: 1990..in the male rat; and (2) investigate the role of testosterone in modulating the neural mechanisms that regulate copulation and pulsatile LH secretion in male rats...
- ANALYSIS OF MASCULINE BEHAVIORBenjamin Sachs; Fiscal Year: 1993..Sexual reflexes will be studied within and outside the context of copulation in three groups of studies...
- CONTROL OF SEX SPECIFIC NEURAL DEVELOPMENT AND BEHAVIORMichael McKeown; Fiscal Year: 2000..appropriate sexual behavior in both males and females including sex partner choice, receptivity to courtship, copulation efficiency and egg laying behavior...
- BEHAVIORALLY INDUCED NEUROCHEMICAL PLASTICITYChristine Gall; Fiscal Year: 2001..Behavioral groups include rats at different stages in olfactory discrimination learning, recently engaged in copulation, or having received an IP saline injection; analysis will focus on subfields of hippocampus and amygdala...
- Phase Maintenance: Neuron Properties to Muscle ResponseSCOTT HOOPER; Fiscal Year: 2007..Rhythmic behaviors such as locomotion, chewing, swallowing, and copulation are essential for individual and species survival...
- Mixed Model Approach to Gene Mapping for Complex TraitsShizhong Xu; Fiscal Year: 2005..quantitative trait loci (QTL) responsible for intra-specific variation in courtship initiation time and time to copulation in Drosophila melanogaster; and to map QTL associated with pre-zygotic reproductive isolation between D...
- MODIFICATION OF MATING CHOICES AS A MODEL OF LEARNINGANITA PRUZAN; Fiscal Year: 1980..be due to side effects of the drug such as: 1) effect of CXM on viability of sperm which the female stores after copulation; 2) the effect of illness induced by CXM; 3) altered neural input in the females; 4) altered activity levels; or ..
- CARDIOVASCULAR CONCOMITANTS OF ULTRASONIC VOCALIZATIONSMark Blumberg; Fiscal Year: 2002..return are sufficient to evoke ultrasonic vocalizations and by assessing cardiovascular changes during fever and copulation, two contexts associated with ultrasound production...
- NEUROENDOCRINE REGULATION OF BEHAVIORJEFFREY BLAUSTEIN; Fiscal Year: 2006....
- Estrogen receptor activation in the CNSJEFFREY BLAUSTEIN; Fiscal Year: 2005..This initial research is essential for future work on the molecular consequences of ligand independent activation of ERs in the brain of males and females, which can then be studied in an unprecedented way. ..
- Genetic Regulation of Mating Behavior in C. elegan MalesLuis Garcia; Fiscal Year: 2009..in unc-103 disrupt that regulation and result in spontaneous seizures of male-specific muscles that are used for copulation. To understand how unc-103 is used to regulate behavior, this project will identify where unc-103 is acting in ..
- AAS and the Neurobiology of Social BehaviorsAnn Clark; Fiscal Year: 2009..Such data may be relevant towards understanding not only the effects of AAS, but of other abused drugs that act via GABAergic pathways. ..
- Androgenic And Antiandorgenic Interactions Of PC-SPESCHARLES ROSELLI; Fiscal Year: 2002..Specific Aim 3: To evaluate the effect of PCSPES on Cytochrome P450-mediated metabolism of androgenic and antiandrogenic drugs by the liver, in order to identify possible interactions of PC-SPES with other hormone therapies. ..
- PREVENTION OF DENDRITIC ATROPHY AFTER MOTONEURON INJURYDALE SENGELAUB; Fiscal Year: 2009....
- ESTROGENIC EFFECTS IN ANDROGEN SENSITIVE MOTONEURONSDALE SENGELAUB; Fiscal Year: 2001....
- NEURAL AND BEHAVIORAL ACTIONS OF ANABOLIC STEROIDSAnn Clark; Fiscal Year: 2003....
- BEHAVIORAL DEVELOPMENT--PRENATAL HORMONAL INFLUENCESKim Wallen; Fiscal Year: 2002..The combination of these efforts will allow the PI to expand his research into new areas, while increasing his understanding of its relevance to important human mental health conditions. ..
- Breeding status and delayed motoneuron maturation in a eusocial mammalMarianne Seney; Fiscal Year: 2008..This information could be used to develop treatments for degenerative diseases characterized by loss or atrophy of motoneurons, such as amyotrophic lateral sclerosis (ALS). [unreadable] [unreadable] [unreadable]..
- Northeast Under/Grad Research Organization for NeuroscienceCheryl Frye; Fiscal Year: 2008..Both of these outcomes are congruous with the Public Health Service's mission to ensure that there is a resource of well-trained scientists and health-care providers in the United States. [unreadable] [unreadable] [unreadable]..
- DOPAMINE SENSITIZATION BY MOTIVATED BEHAVIORSROBERT MEISEL; Fiscal Year: 2007..abstract_text> ..
- EVOLUTION OF BRAIN-BEHAVIOR CONTROLLING MECHANISMSDavid Crews; Fiscal Year: 2009..abstract_text> ..
- Neurobiology of Social Attraction and PreferenceAras Petrulis; Fiscal Year: 2009..This data will provide novel insights into how sexual attraction and preference is generated by the nervous system and how sensory and internal state cues interact to regulate motivated behavior. ..
- ASI-Spectral Karyotyping (SKY) SystemMuriel Davisson; Fiscal Year: 2005....
- 3RD ANNUAL COMPARITIVE MEDICINE RESOURCE DIRECTOR'S MEETMuriel Davisson; Fiscal Year: 2001..abstract_text> ..
- Evolution of Axial Specification in CaenorhabditisSCOTT BAIRD; Fiscal Year: 2002..Cosegregation of ray pattern and vulval equivalence group phenotypes will be evidence of a common genetic basis. Genes will be mapped and identified using multifactor data from such crosses. ..
- Hormonal Factors and Recruitment of Neurons into the Stress Response CircuitryWendi S Neckameyer; Fiscal Year: 2010..This will provide a unique and innovative approach to modeling the development and organization of the stress circuitry in mammals. ..
- GENETIC BASIS OF SPECIES DIFFERENCES IN DROSOPHILAJerry Coyne; Fiscal Year: 2009..We will perform laboratory studies of tolerance and preference to understand these anomalies. Our results may be relevant to understanding the origin of species in other animal groups, including humans. ..
- Regulation and function of cGMP in the nervous systemDavid B Morton; Fiscal Year: 2011..Viagra and other pharmacological treatments for erectile disfunction are probably just the tip of the iceberg for compounds that target cGMP mediated processes. ..
- MOLECULAR ANALYSIS OF THE DROSOPHILA GABA TRANSPORTERSWendi Neckameyer; Fiscal Year: 2001....
- Molecular basis of reproductive isolation in DrosophilaAMANDA MOEHRING; Fiscal Year: 2007..expression assays and transgenics to identify the genetic basis of 1) behavioral isolation preventing successful copulation through characterization of candidate genes that were previously indicated through quantitative trait locus ..
- ENVIRONMENTAL INFLUENCES ON BRAIN PLASTICITYDavid Crews; Fiscal Year: 2002..The final category of experiments is particularly important as it will discern whether the incubation temperature effects are direct or indirect. ..
- Connectivity in the Nematode Nervous SystemScott Emmons; Fiscal Year: 2002..The preanal ganglion circuitry provides a unique opportunity to explore the development and function of a defined set of synapses during postembryonic life in a system which is not essential for survival in this hermaphroditic species. ..
- Epigenetic Influences on Brain and BehaviorDavid Crews; Fiscal Year: 2004..Specific Aim III. To establish if the different behavioral profiles exhibited in such animals in adulthood are reflected in different patterns of activity in a network of interconnected limbic nuclei. ..
- VTA modulation of plasticityJON SAKATA; Fiscal Year: 2005..abstract_text> ..
- Reflexive Testosterone Release in MalesJOHN NYBY; Fiscal Year: 2003..Moreover, we believe that our results may also be directly relevant for understanding the seemingly addictive (i.e., rewarding) properties of anabolic steroid use in humans as well. ..
- LEARNING AND REPRODUCTIVE BEHAVIORMichael Domjan; Fiscal Year: 2005..The research will further our understanding of Pavlovian learning and will integrate the functional approach of ethologists with the emphasis on learning mechanisms in traditional studies of associative learning. ..
- Female sexuality: modulation by estrogen and androgenKim Wallen; Fiscal Year: 2005..These therapies will also be compared on their effects on neuroendocrine function. These studies will markedly increase our understanding of the role that ovarian steroids play in modulating women's sexuality. ..
- GENETIC ANALYSIS OF MORPHOGENESIS IN A NEMATODEScott Emmons; Fiscal Year: 2005..This research will contribute to understanding a fundamental aspect of animal development, and thus help towards progress in overcoming diseases that arise as a result of developmental abnormalities. ..
- Regulators of Male Parental CareToni Ziegler; Fiscal Year: 2006..With the development of parenting behavioral assays, the marmoset has the potential to be an ideal model system for studying parental care in primates and providing insights into the human condition. [unreadable] [unreadable]..
- Genetics of Alcohol Sensitivity in DrosophilaTrudy Mackay; Fiscal Year: 2006....
- Genome-wide Analysis of Reproductive ConflictPaul Mack; Fiscal Year: 2003..These goals will be reached by using microarrays to assay gene expression in virgin vs. mated females, as well as females mated to wild type mates vs. females mated to sterile males. ..
- TRAINING PROGRAM IN NEUROBIOLOGY AND BEHAVIORDavid Crews; Fiscal Year: 2003..All of the laboratories comply with NIH requirements. ..
- Molecular Analyses of Two Mouse Kidney Disease ModelsMuriel Davisson; Fiscal Year: 2006..Gene expression patterns will be determined by TISH and protein localization by immunochemistry. Aim 4 is to analyze gene function by identifying interacting genes using microarrays and quantitative RT-PCR. ..
- NEURON DIFFERENTIATION IN C ELEGANSScott Emmons; Fiscal Year: 2002..3) screen for mutants (including ts alleles) in which TH::GFP expression is lost and characterize the corresponding genes molecularly. (4) identify genes involved in the axon connectivity of DA neurons. ..
- Analysis of sperm transfer behavior in C elegansGary Schindelman; Fiscal Year: 2004..These questions will be investigated by means of surgical and genetic methods. ..