astacoidea

Summary

Summary: A superfamily of various freshwater CRUSTACEA, in the infraorder Astacidea, comprising the crayfish. Common genera include Astacus and Procambarus. Crayfish resemble lobsters, but are usually much smaller.

Top Publications

  1. ncbi Prevalence of the crayfish plague pathogen Aphanomyces astaci in invasive American crayfishes in the Czech Republic
    Eva Kozubíková
    Department of Ecology, Faculty of Science, Charles University in Prague, Vinicna 7, Prague 2 CZ 12844, Czech Republic
    Conserv Biol 23:1204-13. 2009
  2. pmc Population-level metrics of trophic structure based on stable isotopes and their application to invasion ecology
    Michelle C Jackson
    School of Biological and Chemical Sciences, Queen Mary University of London, London, England
    PLoS ONE 7:e31757. 2012
  3. pmc Conservation of structure, signaling and pharmacology between two serotonin receptor subtypes from decapod crustaceans, Panulirus interruptus and Procambarus clarkii
    Nadja Spitzer
    Department of Biology, Georgia State University, Atlanta, GA 30302, USA
    J Exp Biol 211:92-105. 2008
  4. pmc Antilipopolysaccharide factor interferes with white spot syndrome virus replication in vitro and in vivo in the crayfish Pacifastacus leniusculus
    Haipeng Liu
    Department of Comparative Physiology, Uppsala University, Norbyvagen 18A, SE 75236 Uppsala, Sweden
    J Virol 80:10365-71. 2006
  5. ncbi Phenoloxidase is an important component of the defense against Aeromonas hydrophila Infection in a crustacean, Pacifastacus leniusculus
    Haipeng Liu
    Department of Comparative Physiology, Uppsala University, Norbyvagen 18A, SE 752 36 Uppsala, Sweden
    J Biol Chem 282:33593-8. 2007
  6. ncbi An ancient role for a prokineticin domain in invertebrate hematopoiesis
    Irene Söderhäll
    Department of Comparative Physiology, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden
    J Immunol 174:6153-60. 2005
  7. ncbi Immunolocalisation of crustacean-SIFamide in the median brain and eyestalk neuropils of the marbled crayfish
    M A Polanska
    Institute of Infectious Diseases, Medical University of Warsaw, Warsaw, 02 106, Poland
    Cell Tissue Res 330:331-44. 2007
  8. ncbi Sea-level changes and palaeo-ranges: reconstruction of ancient shorelines and river drainages and the phylogeography of the Australian land crayfish Engaeus sericatus Clark (Decapoda: Parastacidae)
    Mark B Schultz
    Arafura Timor Research Facility, School of Environmental and Life Sciences, Charles Darwin University, PO Box 41775, Casuarina, Northern Territory 0811, Australia
    Mol Ecol 17:5291-314. 2008
  9. pmc Identification of two GH18 chitinase family genes and their use as targets for detection of the crayfish-plague oomycete Aphanomyces astaci
    Gerald Hochwimmer
    Institute of Bacteriology, Mycology and Hygiene, University of Veterinary Medicine, Veterinaerplatz 1, 1210 Vienna, Austria
    BMC Microbiol 9:184. 2009
  10. ncbi Social status-dependent modulation of LG-flip habituation in the crayfish
    Makoto Araki
    Division of Biological Sciences, Graduate School of Science, Hokkaido University, Sapporo 060 0810, Japan
    J Exp Biol 216:681-6. 2013

Research Grants

  1. Dynamics of a neural circuit that coordinates locomotion
    Brian Mulloney; Fiscal Year: 2009
  2. PLASTICITY AT A CRAYFISH NEUROMUSCULAR SYNAPSE
    Jen Wei Lin; Fiscal Year: 2003
  3. Ethopharmacological Characterization of Reward Systems
    Robert Huber; Fiscal Year: 2006
  4. REGULATION OF SEROTONERGIC NEUROTRANSMISSION
    Donald Edwards; Fiscal Year: 2004
  5. SYNAPTIC INTEGRATION AND PLASTICITY IN COMMAND NEURONS
    Donald Edwards; Fiscal Year: 2005
  6. PROTEINASE SYSTEMS IN INSECT HEMOLYMPH
    Michael R Kanost; Fiscal Year: 2010
  7. Function of Laccases in Anopheles gambiae
    Michael R Kanost; Fiscal Year: 2010
  8. Titin Splicing Mechanisms and Physical Implications
    Marion L Greaser; Fiscal Year: 2010
  9. Development of an In-Vitro Angiogenesis System
    Thomas Neumann; Fiscal Year: 2006
  10. PHYSIOLOGIC BASIS OF MUSCLE FUNCTIONAL MRI
    RONALD MEYER; Fiscal Year: 2005

Detail Information

Publications240 found, 100 shown here

  1. ncbi Prevalence of the crayfish plague pathogen Aphanomyces astaci in invasive American crayfishes in the Czech Republic
    Eva Kozubíková
    Department of Ecology, Faculty of Science, Charles University in Prague, Vinicna 7, Prague 2 CZ 12844, Czech Republic
    Conserv Biol 23:1204-13. 2009
    ....
  2. pmc Population-level metrics of trophic structure based on stable isotopes and their application to invasion ecology
    Michelle C Jackson
    School of Biological and Chemical Sciences, Queen Mary University of London, London, England
    PLoS ONE 7:e31757. 2012
    ..Although we have demonstrated their applicability specifically using a detailed temporal dataset of species invasion in a lake, they have a wide array of potential ecological applications...
  3. pmc Conservation of structure, signaling and pharmacology between two serotonin receptor subtypes from decapod crustaceans, Panulirus interruptus and Procambarus clarkii
    Nadja Spitzer
    Department of Biology, Georgia State University, Atlanta, GA 30302, USA
    J Exp Biol 211:92-105. 2008
    ..Considering the apparent conservation of pharmacological properties between crustacean 5-HT receptors, these tools could be applicable to related crustacean physiological preparations...
  4. pmc Antilipopolysaccharide factor interferes with white spot syndrome virus replication in vitro and in vivo in the crayfish Pacifastacus leniusculus
    Haipeng Liu
    Department of Comparative Physiology, Uppsala University, Norbyvagen 18A, SE 75236 Uppsala, Sweden
    J Virol 80:10365-71. 2006
    ..This is the first crustacean gene product identified with the capacity to interfere with replication of this important pathogen...
  5. ncbi Phenoloxidase is an important component of the defense against Aeromonas hydrophila Infection in a crustacean, Pacifastacus leniusculus
    Haipeng Liu
    Department of Comparative Physiology, Uppsala University, Norbyvagen 18A, SE 752 36 Uppsala, Sweden
    J Biol Chem 282:33593-8. 2007
    ..Our data therefore suggest that phenoloxidase is required in crayfish defense against an infection by A. hydrophila, a highly virulent and pathogenic bacterium to crayfish...
  6. ncbi An ancient role for a prokineticin domain in invertebrate hematopoiesis
    Irene Söderhäll
    Department of Comparative Physiology, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden
    J Immunol 174:6153-60. 2005
    ..Our finding of the first PK-like cytokine characterized from any invertebrate provides novel information concerning the evolution of growth factors and blood cell development...
  7. ncbi Immunolocalisation of crustacean-SIFamide in the median brain and eyestalk neuropils of the marbled crayfish
    M A Polanska
    Institute of Infectious Diseases, Medical University of Warsaw, Warsaw, 02 106, Poland
    Cell Tissue Res 330:331-44. 2007
    ..Taken together, we suggest an important role of crustacean-SIFamidergic neurons in processing high-order, multimodal input in the crayfish brain...
  8. ncbi Sea-level changes and palaeo-ranges: reconstruction of ancient shorelines and river drainages and the phylogeography of the Australian land crayfish Engaeus sericatus Clark (Decapoda: Parastacidae)
    Mark B Schultz
    Arafura Timor Research Facility, School of Environmental and Life Sciences, Charles Darwin University, PO Box 41775, Casuarina, Northern Territory 0811, Australia
    Mol Ecol 17:5291-314. 2008
    ..We recommend that future studies consider all three of these distance measures, especially for studies of coastally distributed species...
  9. pmc Identification of two GH18 chitinase family genes and their use as targets for detection of the crayfish-plague oomycete Aphanomyces astaci
    Gerald Hochwimmer
    Institute of Bacteriology, Mycology and Hygiene, University of Veterinary Medicine, Veterinaerplatz 1, 1210 Vienna, Austria
    BMC Microbiol 9:184. 2009
    ..We developed an alternative closed-tube assay for A. astaci, which achieves robustness through simultaneous amplification of multiple functionally constrained genes...
  10. ncbi Social status-dependent modulation of LG-flip habituation in the crayfish
    Makoto Araki
    Division of Biological Sciences, Graduate School of Science, Hokkaido University, Sapporo 060 0810, Japan
    J Exp Biol 216:681-6. 2013
    ....
  11. ncbi Serotonergic regulation of crustacean hyperglycemic hormone secretion in the crayfish, Procambarus clarkii
    C Y Lee
    Department of Biology, National Changhua University of Education, Changhua 50058, Taiwan
    Physiol Biochem Zool 74:376-82. 2001
    ..It is probable that 5-HT activates an excitation-secretion coupling mechanism by interacting with receptors located on the X-organ neurosecretory cells...
  12. pmc Primary neuronal precursors in adult crayfish brain: replenishment from a non-neuronal source
    Jeanne L Benton
    Neuroscience Program, Wellesley College, 106 Central Street, Wellesley, MA 02481, USA
    BMC Neurosci 12:53. 2011
    ..Based on these observations we have hypothesized that (1) the neuronal stem cells in the crayfish brain are not self-renewing, and (2) a source external to the neurogenic niche must provide cells that replenish the stem cell pool...
  13. ncbi Contrasting impacts of invasive engineers on freshwater ecosystems: an experiment and meta-analysis
    Shin Ichiro S Matsuzaki
    Department of Ecosystem Studies, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo, 113 8657, Japan
    Oecologia 158:673-86. 2009
    ..However, key variables (e.g. macrophytes) relating to stable-state changes responded differently to increasing carp or crayfish biomass, indicating that they have differential ecosystem impacts...
  14. ncbi Putative involvement of crustacean hyperglycemic hormone isoforms in the neuroendocrine mediation of osmoregulation in the crayfish Astacus leptodactylus
    Laetitia Serrano
    Laboratoire Genome, Populations, Interactions, Adaptation, UMR 5000, Equipe Adaptation Ecophysiologique et Ontogenèse, Universite Montpellier II, Place E Bataillon, CP 092, 34095 Montpellier Cedex 05, France
    J Exp Biol 206:979-88. 2003
    ..The effects of eyestalk ablation and CHH injection on osmoregulation and the identification of different CHH-related peptides and isoforms in crustaceans are discussed...
  15. pmc An identified serotonergic neuron regulates adult neurogenesis in the crustacean brain
    D C Sandeman
    Neuroscience Program, Wellesley College, Wellesley, Massachusetts 02481, USA
    Dev Neurobiol 69:530-45. 2009
    ..This is the first identified neural pathway through which adult neurogenesis has been directly manipulated...
  16. ncbi Molecular taxonomy in the dark: evolutionary history, phylogeography, and diversity of cave crayfish in the subgenus Aviticambarus, genus Cambarus
    Jennifer E Buhay
    Brigham Young University, Department of Integrative Biology, 401 Widtsoe Building, Provo, UT 84602, USA
    Mol Phylogenet Evol 42:435-48. 2007
    ..Our results also support other recent findings that pre-Pleistocene paleodrainages may best explain the current patterns of aquatic faunal biodiversity in the Southern Appalachians...
  17. ncbi Production of different phenotypes from the same genotype in the same environment by developmental variation
    Günter Vogt
    Zoological Institute and Museum, University of Greifswald, Johann Sebastian Bach Strasse 11 12, D 17487 Greifswald, Germany
    J Exp Biol 211:510-23. 2008
    ..Possible perspectives of DV for evolutionary biology are discussed...
  18. ncbi Adult neurogenesis in the crayfish brain: proliferation, migration, and possible origin of precursor cells
    Yi Zhang
    Neurobiology Program, Wellesley College, Wellesley, MA 02481, USA
    Dev Neurobiol 69:415-36. 2009
    ..We present here preliminary evidence for an association between vascular cells and the niche precursors, which may relate to the life-long growth and maintenance of the crustacean neurogenic niche...
  19. ncbi Hemocyte production and maturation in an invertebrate animal; proliferation and gene expression in hematopoietic stem cells of Pacifastacus leniusculus
    Irene Söderhäll
    Department of Comparative Physiology, Evolutionary Biology Centre, Uppsala University, 18A, Uppsala 752 36 Norbyvägen, Sweden
    Dev Comp Immunol 27:661-72. 2003
    ....
  20. pmc Discovery of four natural clones in a crayfish species Procambarus clarkii
    G H Yue
    Molecular Population Genetics Group, Temasek Life Sciences Laboratory, 1 Research Link, National University of Singapore, 117604 Singapore
    Int J Biol Sci 4:279-82. 2008
    ..Phylogenetic analysis using microsatellite genotypes suggests recent origin of the four clones. Sequencing a part of the mitochondrial gene Cox I confirmed that the four clones were from the species Procambarus clarkii...
  21. ncbi Invertebrate hematopoiesis: an astakine-dependent novel hematopoietic factor
    Xionghui Lin
    Department of Comparative Physiology, Uppsala University, 752 36 Uppsala, Sweden
    J Immunol 186:2073-9. 2011
    ..Our study of CHF may also shed light on the function of this untypical insulin growth factor binding protein motif located in the N-terminal of vertebrate CRIM1...
  22. pmc A successful crayfish invader is capable of facultative parthenogenesis: a novel reproductive mode in decapod crustaceans
    Milos Buric
    Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses and Research Institute of Fish Culture and Hydrobiology, University of South Bohemia in Èeské Budìjovice, Vodòany, Czech Republic
    PLoS ONE 6:e20281. 2011
    ..limosus, and what role it plays in natural crayfish populations. However, if such reproductive plasticity is present in other cambarid crayfish species, it may contribute to the overwhelming invasive success of this group...
  23. pmc d-Amphetamine stimulates unconditioned exploration/approach behaviors in crayfish: towards a conserved evolutionary function of ancestral drug reward
    Antonio Alcaro
    Santa Lucia Foundation, European Centre for Brain Research CERC, Via del Fosso di Fiorano 65, 00143 Rome, Italy
    Pharmacol Biochem Behav 99:75-80. 2011
    ....
  24. ncbi A comparative study of molecular diagnostic methods designed to detect the crayfish plague pathogen, Aphanomyces astaci
    Stephen Tuffs
    Centre for Environment, Fisheries and Aquaculture Science, Barrack Road, Weymouth, Dorset, United Kingdom
    Vet Microbiol 153:343-53. 2011
    ..The tested variation of the conventional PCR assay with a changed forward primer led to amplification of some non A. astaci DNA. Advantages and disadvantages, including suitable application are discussed for each assay...
  25. ncbi Cyclic AMP mediates serotonin-induced synaptic enhancement of lateral giant interneuron of the crayfish
    Makoto Araki
    Division of Biological Sciences, Graduate School of Science, Hokkaido University, Sapporo, Japan
    J Neurophysiol 94:2644-52. 2005
    ..These results indicate that serotonin mediates an increase in cAMP levels in LG, but octopamine acts independently of cAMP and cGMP...
  26. ncbi Social interactions determine postural network sensitivity to 5-HT
    Daniel Cattaert
    Universite de Bordeaux, Centre National de la Recherche Scientifique, Centre de Neurosciences Intégratives et Cognitives, Biologie Animale, 33405 Talence Cedex, France
    J Neurosci 30:5603-16. 2010
    ..These observations suggest that neural networks are more reactive in dominants than in subordinates, and this divergence is even reinforced by 5-HT modulation...
  27. pmc To signal or not to signal? Chemical communication by urine-borne signals mirrors sexual conflict in crayfish
    Fiona C Berry
    University of Hull, Department of Biological Sciences, Hull, UK
    BMC Biol 8:25. 2010
    ..Test individuals were blindfolded to exclude visual disturbance from dye release and artificial urine introduction...
  28. ncbi Detection of Aphanomyces astaci in North American crayfish by polymerase chain reaction
    Birgit Oidtmann
    CEFAS Weymouth Laboratory, Barrack Road, Weymouth, Dorset, UK
    Dis Aquat Organ 72:53-64. 2006
    ..For the third species, Procambarus clarkii, only 1 individual tested positive, so no conclusion as to preferred infestation site(s) could be drawn...
  29. ncbi Direct benefits of social dominance in juvenile crayfish
    Jens Herberholz
    Department of Psychology, University of Maryland, College Park, Maryland 20742, USA
    Biol Bull 213:21-7. 2007
    ....
  30. ncbi Biogenic amines and aggression: experimental approaches in crustaceans
    R Huber
    Department of Neurobiology, Harvard Medical School, Boston, Mass, USA
    Brain Behav Evol 50:60-8. 1997
    ..We expect that the continued use of this invertebrate model system will allow us to gain considerable insight into, and understanding of, the role served by biogenic amines in a complex behavioral process like aggression...
  31. ncbi Detection of genomic DNA of the crayfish plague fungus Aphanomyces astaci (Oomycete) in clinical samples by PCR
    B Oidtmann
    Institute of Zoology, Fish Biology and Fish Diseases, University of Munich, 80539 Munich, Germany
    Vet Microbiol 100:269-82. 2004
    ..The method was tested on noble crayfish (Astacus astacus), artificially infected with A. astaci. Detection of A. astaci was possible at the very first time of sampling, which was 2 days after the beginning of spore exposure...
  32. pmc Transglutaminase activity in the hematopoietic tissue of a crustacean, Pacifastacus leniusculus, importance in hemocyte homeostasis
    Xionghui Lin
    Department of Comparative Physiology, Uppsala University, Norbyvagen 18A, SE 752 36 Uppsala, Sweden
    BMC Immunol 9:58. 2008
    ..We also found that TGase is an abundant protein in the hematopoietic tissue (Hpt) cells of crayfish and hence we have studied the possible function of this enzyme in hematopoiesis...
  33. ncbi Dominance hierarchy-dependent behavioural plasticity of crayfish avoidance reactions
    Sawako Fujimoto
    Division of Biological Sciences, Graduate School of Science, Hokkaido University, Sapporo 060 0810, Japan
    J Exp Biol 214:2718-23. 2011
    ..This behavioural transition from dart to turn response occurred immediately and was maintained for at least 3 days even if a dominant crayfish was isolated again with no opponent...
  34. ncbi Detection and quantification of the crayfish plague agent in natural waters: direct monitoring approach for aquatic environments
    David A Strand
    Section of Mycology, Norwegian Veterinary Institute, Pb 750, Sentrum, 0106 Oslo, Norway
    Dis Aquat Organ 95:9-17. 2011
    ..The approach will further facilitate studies of A. astaci spore dynamics during plague outbreaks and in carrier crayfish populations, which will broaden our knowledge of the biology of this devastating crayfish pathogen...
  35. ncbi Invasive crayfish and crayfish plague on the move: first detection of the plague agent Aphanomyces astaci in the Romanian Danube
    Lucian Pârvulescu
    West University of Timisoara, Dept of Biology and Chemistry, Timisoara, Romania
    Dis Aquat Organ 98:85-94. 2012
    ..The crayfish plague agent, however, may reach the delta substantially earlier, through dispersal downstream among populations of native crayfish...
  36. ncbi Aphanomyces astaci in wild crayfish populations in Slovenia: first report of persistent infection in a stone crayfish Austropotamobius torrentium population
    Darja Kušar
    Institute of Microbiology and Parasitology, University of Ljubljana, Ljubljana, Slovenia
    Dis Aquat Organ 103:157-69. 2013
    ..Findings of the presumed co-evolution of A. astaci and ICS hosts open new perspectives, necessitating additional studies on the presence of A. astaci genotypes in the persistently infected ICS populations...
  37. ncbi PCR detection of the crayfish plague pathogen in narrow-clawed crayfish inhabiting Lake Eğirdir in Turkey
    J Svoboda
    Department of Ecology, Charles University, Prague, Czech Republic
    Dis Aquat Organ 98:255-9. 2012
    ..astaci. This complies with other recent reports of coexistence of native European crayfish with this pathogen, and further research is now needed to identify the key mechanisms allowing it...
  38. ncbi Distribution and epidemiology of genotypes of the crayfish plague agent Aphanomyces astaci from noble crayfish Astacus astacus in Finland
    S Viljamaa-Dirks
    Finnish Food Safety Authority Evira, OIE reference laboratory for crayfish plague, 70701 Kuopio, Finland
    Dis Aquat Organ 103:199-208. 2013
    ..This study shows that persistent crayfish plague infection is not uncommon in noble crayfish populations. The described epidemiological features suggest a difference in virulence between these 2 genotypes...
  39. ncbi Differing virulence of Aphanomyces astaci isolates and elevated resistance of noble crayfish Astacus astacus against crayfish plague
    J Makkonen
    Department of Biology, University of Eastern Finland, Kuopio, Finland
    Dis Aquat Organ 102:129-36. 2012
    ..Furthermore, we observed clear signs of increased resistance in different populations of noble crayfish towards some of the tested strains belonging to the As-genotype of A. astaci...
  40. ncbi Dynamic interactions of behavior and amine neurochemistry in acquisition and maintenance of social rank in crayfish
    R Huber
    J P Scott Center for Neuroscience, Mind and Behavior and Department of Biological Sciences, Bowling Green State University, Bowling Green, Ohio 43403, USA
    Brain Behav Evol 57:271-82. 2001
    ..Many of the studies presented here summarize ongoing work. Nonetheless, results to date complement and extend previous detailed physiological, morphological and biochemical studies exploring the roles of amines in aggression...
  41. ncbi Development of agonistic encounters in dominance hierarchy formation in juvenile crayfish
    Daisuke Sato
    Department of Biology, Faculty of Science, Yamagata University, Yamagata, Japan
    J Exp Biol 215:1210-7. 2012
    ..With increasing body size, the probability of tailflips decreased while that of retreats increased as the submissive behavioural act of subordinate animals...
  42. pmc Crustacean hyperglycemic hormone (cHH) as a modulator of aggression in crustacean decapods
    Laura Aquiloni
    Dipartimento di Biologia Evoluzionistica Leo Pardi, Universita degli Studi di Firenze, Firenze, Italy
    PLoS ONE 7:e50047. 2012
    ..New research perspectives are thus opened in our intriguing effort of understanding the role of cHH in the modulation of agonistic behaviour in crustaceans...
  43. ncbi Interlocking of chelae is a key factor for dominance hierarchy formation in crayfish
    Ryusuke Ueno
    Division of Biology, Graduate School of Science and Engineering, Yamagata University, Yamagata 990 8560, Japan
    J Exp Biol 215:2841-8. 2012
    ..Preventing chelae from interlocking prevented escalation of agonistic bouts. We show that interlocking of chelae acted as a key factor for the formation of dominance hierarchy...
  44. ncbi Re-examination of the prevalence of Aphanomyces astaci in North American crayfish populations in Central Europe by TaqMan MGB real-time PCR
    Eva Kozubíková
    Department of Ecology, Faculty of Science, Charles University in Prague, 12844 Prague 2, Czech Republic
    Dis Aquat Organ 97:113-25. 2011
    ..Further, we found positive correlation between the prevalence of infection carriers in American crayfish populations and the average amounts of A. astaci DNA detected in infected local crayfish individuals...
  45. ncbi Spiny-cheek crayfish Orconectes limosus carry a novel genotype of the crayfish plague pathogen Aphanomyces astaci
    Eva Kozubíková
    Department of Ecology, Charles University in Prague, Vinicna 7, CZ 12844 Prague 2, Czech Republic
    J Invertebr Pathol 108:214-6. 2011
    ..astaci genotype. Improving knowledge on the diversity of this parasite may facilitate identification of genotypes in mass mortalities of European crayfish, thus tracing the sources of infection...
  46. pmc 'Leaves and eats shoots': direct terrestrial feeding can supplement invasive red swamp crayfish in times of need
    Jonathan Grey
    Department of Physiological Ecology, Max Planck Institute for Limnology, Plon, Schleswig Holstein, Germany
    PLoS ONE 7:e42575. 2012
    ..These are the first empirical data to demonstrate direct use of terrestrial resources by an aquatic crayfish species and further highlight the traits that make red swamp crayfish such opportunistic and successful invaders...
  47. ncbi The role of serotonin in the enhancement of long-term memory resulting from predator detection in Lymnaea
    Jae Il-Han
    Hotchkiss Brain Institute, Faculty of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
    J Exp Biol 213:3603-14. 2010
    ..Together, these findings support the hypothesis that the serotonergic system plays a key role in modulating the predator-induced stress responses in Lymnaea...
  48. ncbi Potent infection reservoir of crayfish plague now permanently established in Norway
    Trude Vrålstad
    Section of Mycology, Norwegian Veterinary Institute, PO Box 750, Sentrum, 0106 Oslo, Norway
    Dis Aquat Organ 97:75-83. 2011
    ..Our study demonstrates that a potent crayfish plague infection reservoir, evidently originating from the illegal human introduction of signal crayfish, has permanently been established in Norway...
  49. pmc Chest CT features of North American paragonimiasis
    Travis S Henry
    Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, MO, USA
    AJR Am J Roentgenol 198:1076-83. 2012
    ....
  50. ncbi Embryonic development of the histaminergic system in the ventral nerve cord of the Marbled Crayfish (Marmorkrebs)
    V Rieger
    Universitat Ulm, Fakultät für Naturwissenschaften, Institut fur Neurobiologie, D 89081 Ulm, Germany
    Tissue Cell 40:113-26. 2008
    ..Furthermore, the possible role of histaminergic neurons as characters in evolutionary considerations is evaluated...
  51. ncbi Assessment of natural and artificial propagation of the white-clawed crayfish (Austropotamobius pallipes species complex) in the Alpine region with nuclear and mitochondrial markers
    C R Largiader
    Division of Population Biology, Institute of Zoology, University of Berne, Baltzerstrasse 3, CH 3012 Berne, Switzerland
    Mol Ecol 9:25-37. 2000
    ..p. pallipes and A. berndhauseri in the Lake Geneva area. The mosaic distribution of the five evolutionary lineages indicated that conservation efforts should be aimed at the level of local populations...
  52. ncbi Serotonin modulation of CHH secretion by isolated cells of the crayfish retina and optic lobe
    Elsa G Escamilla-Chimal
    Lab Neurofisiología Comparada, Universidad Nacional Autonoma de Mexico, Mexico, Ap Postal 41 630, CP 11000, D F Mexico
    Gen Comp Endocrinol 125:283-90. 2002
    ..The authors conclude that (1) retinal CHH-secreting cells correspond to a population of retinal tapetal cells and (2) optic lobe CHH-secreting cells correspond to two subpopulations of CHH of medulla terminalis-X organ...
  53. ncbi Autochthonous human paragonimiasis in North America
    Miguel G Madariaga
    Section of Infectious Diseases, University of Nebraska Medical Center, Omaha, NE 68198, USA
    Wilderness Environ Med 18:203-5. 2007
    ..However, autochthonous cases are rare. We describe a case of probable Paragonimus kellicotti infection associated with ingestion of crayfish and review all autochthonous cases in this country...
  54. ncbi Dishonest signals of strength in male slender crayfish (Cherax dispar) during agonistic encounters
    Robbie S Wilson
    School of Integrative Biology, Ecology Centre, University of Queensland, St Lucia, Queensland 4072, Australia
    Am Nat 170:284-91. 2007
    ..From our studies of crayfish, we believe dishonest signaling could play a greater role in territorial disputes than previously imagined...
  55. ncbi Genetic and morphological evidence for substantial hidden biodiversity in a freshwater crayfish species complex
    Lauren M Mathews
    Department of Biology, Worcester Polytechnic Institute, 100 Institute Road, Worcester, MA 01609, USA
    Mol Phylogenet Evol 48:126-35. 2008
    ....
  56. ncbi The evolution of Queensland spiny mountain crayfish of the genus Euastacus. I. Testing vicariance and dispersal with interspecific mitochondrial DNA
    Mark Ponniah
    Co operative Research Centre for Tropical Rainforest Ecology and Management, Australian School of Environmental Studies, Griffith University, Nathan, Queensland 4111, Australia
    Evolution 58:1073-85. 2004
    ..The timing of this vicariant event was probably in the Pliocene, which is consistent with the divergence times reported for other Australian mesic rainforest restricted taxa...
  57. ncbi Symmetry variation in the heart-descending artery system of the parthenogenetic marbled crayfish
    Günter Vogt
    Zoological Institute and Museum, University of Greifswald, 17487 Greifswald, Germany
    J Morphol 270:221-6. 2009
    ..We recommend that the marbled crayfish be considered for investigation of the epigenetic mechanisms responsible for the maintenance and breaking of bilateral symmetry in metazoans...
  58. ncbi Two genetic variants of the crustacean hyperglycemic hormone (CHH) from the Australian crayfish, Cherax destructor: detection of chiral isoforms due to posttranslational modification
    Patrick Bulau
    Institute for Zoophysiology, University of Bonn, Endenicher Allee 11 13, D 53115 Bonn, Germany
    Peptides 24:1871-9. 2003
    ..Both sequences are significantly different from those of the hitherto known three CHHs of Astacoidea species (Northern hemisphere crayfish), which among themselves are extremely conserved...
  59. ncbi Using the functional response of a consumer to predict biotic resistance to invasive prey
    Laura A Twardochleb
    Ecology and Evolutionary Biology, University of California, Santa Cruz, California 95064, USA
    Ecol Appl 22:1162-71. 2012
    ..Quantifying the shape and uncertainty of predator functional responses to nonnative prey may help predict the outcomes of invasions...
  60. ncbi Drastic bottlenecks in the endangered crayfish species Austropotamobius pallipes in Spain and implications for its colonization history
    F Grandjean
    Universite de Poitiers, Laboratoire Génétique et Biologie des Crustacés, UMR 6556, 40 Avenue du Recteur Pineau, F 86022 Poitiers cedex, Spain
    Heredity (Edinb) 86:431-8. 2001
    ..Four suggestions, based on human introduction, selection and recent or ancient historical events are discussed in relation to the lack of genetic variation in the Spanish crayfish stock...
  61. ncbi Latent extinction and invasion risk of crayfishes in the southeastern United States
    Eric R Larson
    School of Aquatic and Fishery Sciences, University of Washington Box 355020, Seattle, WA 98195 5020, USA
    Conserv Biol 24:1099-110. 2010
    ..Our results illustrate the utility of trait-based approaches for taxonomic groups such as invertebrates, for which detailed species-specific data are rare and conservation resources are chronically limited...
  62. ncbi Investigation of hatching and early post-embryonic life of freshwater crayfish by in vitro culture, behavioral analysis, and light and electron microscopy
    Günter Vogt
    Zoological Institute and Museum, University of Greifswald, D 17487 Greifswald, Germany
    J Morphol 269:790-811. 2008
    ..In vitro culture of the isogenic marbled crayfish is recommended for broader use in research because it enables not only time and stage-specific sampling but also precisely timed experimental manipulations...
  63. ncbi Functional aspects of cHH C-terminal amidation in crayfish species
    Alessandro Mosco
    BRAIN Center, Department of Biology, University of Trieste, Via Giorgeri 7, I 34127 Trieste, Italy
    Regul Pept 147:88-95. 2008
    ..These results prove the importance of C-terminal amidation for the biological activity of cHH in crayfish as well as the role of the peptide primary sequence for the species-specificity hormone-receptor recognition...
  64. ncbi Exposure of the eggs to 17alpha-methyl testosterone reduced hatching success and growth and elicited teratogenic effects in postembryonic life stages of crayfish
    Günter Vogt
    Zoological Institute and Museum, University of Greifswald, Johann Sebastian Bach Strasse 11 12, D 17487 Greifswald, Germany
    Aquat Toxicol 85:291-6. 2007
    ..The marbled crayfish is recommended to be considered for toxicity tests due to its easy culture in the laboratory and its genotypical uniformity...
  65. ncbi Invertebrate hematopoiesis: an anterior proliferation center as a link between the hematopoietic tissue and the brain
    Chadanat Noonin
    Department of Comparative Physiology, Uppsala University, Uppsala, Sweden
    Stem Cells Dev 21:3173-86. 2012
    ..Our findings offer an opportunity to learn more about invertebrate hematopoiesis and its connection to the central nervous system, thereby obtaining new information about the evolution of different blood and nerve cell lineages...
  66. ncbi Engrailed-like immunoreactivity in the embryonic ventral nerve cord of the Marbled Crayfish (Marmorkrebs)
    Kathia Fabritius-Vilpoux
    Fakultät für Naturwissenschaften, Institut fur Neurobiologie, Universitat Ulm, Albert Einstein Allee 11, 89069, Ulm, Germany
    Invert Neurosci 8:177-97. 2008
    ..The present report may serve as a basis to explore the question if during crustacean neurogenesis additional communalities with insects exist...
  67. ncbi The effects of social experience on the behavioral response to unexpected touch in crayfish
    Cha Kyong Song
    Department of Biology, Georgia State University, Atlanta, GA 30303, USA
    J Exp Biol 209:1355-63. 2006
    ..These results indicate that the behavioral responses of subordinate crayfish to touch depend on their social status, their current social conditions and their recent social history...
  68. ncbi Dynamics of biosynthesis and release of crustacean hyperglycemic hormone isoforms in the X-organ-sinus gland complex of the crayfish Orconectes limosus
    C Ollivaux
    Laboratoire Signaux Endocrines et Toxines d Invertébrés, CNRS EP2028, Université Pierre et Marie Curie et Ecole Normale Supérieure, Paris, France
    Eur J Biochem 267:5106-14. 2000
    ..Under basal conditions, i.e. without stimulation, similar dynamics for both isomers were found and results indicate that newly synthesized CHHs are preferentially released...
  69. ncbi The molt-inhibiting hormone in the American crayfish Procambarus clarkii: its chemical synthesis and biological activity
    H Sonobe
    Department of Biology, Konan University, Kobe 658 8501, Japan
    Gen Comp Endocrinol 121:196-204. 2001
    ..e., a core region (residues 1-54) containing three disulfide bridges and the C-terminal region, were utilized. It is suggested that Prc-MIH exerts its activities through coordination between the core region and the C-terminal region...
  70. pmc Molecular characterization of the North American lung fluke Paragonimus kellicotti in Missouri and its development in Mongolian gerbils
    Peter U Fischer
    Infectious Diseases Division, Department of Internal Medicine, Washington University School of Medicine, 660 South Euclid Avenue, St Louis, MO 63110, USA
    Am J Trop Med Hyg 84:1005-11. 2011
    ..These results demonstrate that P. kellicotti is common in Missouri crayfish. The gerbil model may be useful for research on the pathogenesis, immunology, and treatment of paragonimiasis...
  71. ncbi Daily variations in crustacean hyperglycaemic hormone and serotonin immunoreactivity during the development of crayfish
    E G Escamilla-Chimal
    , Facultad de Ciencias, , Ap. Postal 41-630, ,
    J Exp Biol 204:1073-81. 2001
    ..Furthermore, the differences found between the PO2 and juvenile stages suggest that both CHH and 5-HT are key factors in the development of the circadian rhythm of retinal sensitivity...
  72. pmc Novel protocol for the chemical synthesis of crustacean hyperglycemic hormone analogues--an efficient experimental tool for studying their functions
    Alessandro Mosco
    Department of Life Sciences, University of Trieste, Trieste, Italy
    PLoS ONE 7:e30052. 2012
    ..The results show that the presence of D-Phe³ modifies the cHH functionality, contributing to the diversification of the hormone pool...
  73. ncbi The role of omnivorous crayfish in littoral communities
    Nathan J Dorn
    W K Kellogg Biological Station and Department of Zoology, Michigan State University, Hickory Corners, Michigan 49060, USA
    Oecologia 140:150-9. 2004
    ..Although the effects of omnivorous crayfish on littoral communities can be large, their complex effects do not fit neatly into current theories about trophic interactions or freshwater community structure...
  74. pmc Neurogenesis in the central olfactory pathway of adult decapod crustaceans: development of the neurogenic niche in the brains of procambarid crayfish
    Silvia Sintoni
    Max Planck Institute for Chemical Ecology, Department of Evolutionary Neuroethology, Hans Knöll Straße 8, D 07745 Jena, Germany
    Neural Dev 7:1. 2012
    ..In this paper, the development of the niche was documented by monitoring proliferating cells with S-phase-specific markers combined with immunohistochemical, dye-injection and pulse-chase experiments...
  75. ncbi The engrailed-expressing secondary head spots in the embryonic crayfish brain: examples for a group of homologous neurons in Crustacea and Hexapoda?
    Silvia Sintoni
    Fakultät für Naturwissenschaften, Institut für Neurobiologie and Sektion Biosystematische Dokumentation, Universitat Ulm, 89081 Ulm, Germany
    Dev Genes Evol 217:791-9. 2007
    ....
  76. ncbi DNA extraction from crayfish exoskeleton
    Yanhe Li
    College of Fisheries, Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan 430070, P R China
    Indian J Exp Biol 49:953-7. 2011
    ..Since the extracted DNA from CE is suitable for gene amplification, the results present usefulness of CE as an easy and convenient DNA source for PCR-based population genetic research...
  77. ncbi Mitochondrial DNA structure of the Iberian populations of the white-clawed crayfish, Austropotamobius italicus italicus (Faxon, 1914)
    Carlos Pedraza-Lara
    Departamento de Biodiversidad y Biologia Evolutiva, Museo Nacional de Ciencias Naturales, CSIC, Madrid, Spain
    Mol Phylogenet Evol 57:327-42. 2010
    ..We propose that although possible, human translocations may not be the only cause to explain the complex distribution patterns of species strongly affected by recent climatic events...
  78. ncbi Spatial and temporal variations of mercury levels in Okefenokee invertebrates: southeast Georgia
    Bagie M George
    Department of Entomology, University of Georgia, 413 Biological Sciences Building, Athens, GA 30602, United States
    Environ Pollut 152:484-90. 2008
    ..Mercury levels in invertebrates varied temporally with the highest levels detected in May. There was a lack of spatial variation in mercury levels which is consistent with aerial deposition of mercury...
  79. ncbi Intra-sex dimorphism in crayfish females
    Milos Buric
    Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses and Research Institute of Fish Culture and Hydrobiology, University of South Bohemia in Ceske Budejovice, Zatisi 728 II, CZ 389 25 Vodňany, Czech Republic
    Zoology (Jena) 113:301-7. 2010
    ..The cycle of form alternation, consisting of two molts per year, may facilitate the effective utilization of resources to increase the size of body parts important to survival and reproduction...
  80. pmc A gC1qR prevents white spot syndrome virus replication in the freshwater crayfish Pacifastacus leniusculus
    Apiruck Watthanasurorot
    Department of Comparative Physiology, Uppsala University, Norbyvagen 18A, SE 75236 Uppsala, Sweden
    J Virol 84:10844-51. 2010
    ..The results from a far-Western overlay and glutathione S-transferase pull-down assays showed that PlgC1qR could bind to VP15, VP26, and VP28. Altogether, these results demonstrate a role for PlgC1qR in antiviral activity against WSSV...
  81. ncbi Immunocytochemical mapping and quantification of expression of a putative type 1 serotonin receptor in the crayfish nervous system
    Nadja Spitzer
    Department of Biology and Center for Behavioral Neuroscience, Georgia State University, Atlanta, Georgia 30302 4010, USA
    J Comp Neurol 484:261-82. 2005
    ..Functional analysis of 5-HT1crust in combination with this immunocytochemical map will aid further understanding of this receptor's role in the actions of serotonin on identified circuits and cells...
  82. ncbi Cross-species amplification of microsatellite markers in the invasive spiny-cheek crayfish (Orconectes limosus): assessment and application
    M Hulak
    University of South Bohemia, Research Institute of Fish Culture and Hydrobiology, Zatisi 728 II, Vodnany, CZ 38925, Czech Republic
    J Appl Genet 51:73-8. 2010
    ..660 to 0.890 for H(e). No linkage disequilibrium and no null alleles were detected. The selected markers are useful for assessing population structure, intraspecific variation, and paternity studies in spiny-cheek crayfish...
  83. ncbi Prevalence of chemical defenses among freshwater plants
    Anne C Prusak
    School of Biology, Georgia Institute of Technology, Atlanta, GA 30332 0230, USA
    J Chem Ecol 31:1145-60. 2005
    ..However, we found no relationship between soluble protein concentration and deterrence of plant extracts...
  84. ncbi Mercury in the northern crayfish, Orconectes virilis (Hagen), in New England, USA
    Chris M Pennuto
    Department of Biology, Center for Great Lakes Research, Buffalo State College, Buffalo, NY 14222, USA
    Ecotoxicology 14:149-62. 2005
    ..Further studies focusing on benthos with well-understood life histories and foraging behavior are essential to improve our understanding of mercury transfer and bioavailability through aquatic systems...
  85. ncbi Diurnal rhythm in the levels of the serotonin 5-HT1A receptors in the crayfish eyestalk
    Gabina Calderón-Rosete
    División de Estudios de Posgrado e Investigación, Facultad de Medicina, UNAM, Av Universidad 3000, Circuito Interior, Unidad de Posgrado, 1er piso, 04510 Mexico D F, Mexico
    Synapse 59:368-73. 2006
    ....
  86. ncbi Phylogeny and biogeography of the freshwater crayfish Euastacus (Decapoda: Parastacidae) based on nuclear and mitochondrial DNA
    Heather C Shull
    Department of Integrative Biology, Brigham Young University, Provo, UT 84602 5181, USA
    Mol Phylogenet Evol 37:249-63. 2005
    ..We also show that Euastacus and Astacopsis are most likely monophyletic sister genera. We use the resulting phylogeny as a framework to test biogeographic hypotheses relating to the diversification of the genus...
  87. ncbi Hybrid zone dynamics and species replacement between Orconectes crayfishes in a northern Wisconsin lake
    W L Perry
    Department of Biological Sciences, Illinois State University, Normal 61790 4120, USA
    Evolution 55:1153-66. 2001
    ..propinquus nuclear genes. Although our results suggest that O. rusticus and O. propinquus may not be true species under the biological concept, their ecological differences are of great conservation importance...
  88. pmc 5-HT receptors mediate lineage-dependent effects of serotonin on adult neurogenesis in Procambarus clarkii
    Yi Zhang
    Neuroscience Program, Wellesley College, Wellesley, MA 02481, USA
    Neural Dev 6:2. 2011
    ....
  89. ncbi Phylogeography of the threatened crayfish (genus Austropotamobius) in Italy: implications for its taxonomy and conservation
    S Fratini
    Dipartimento di Biologia Animale e Genetica L Pardi, Universita di Firenze, v Romana 17, 50125 Firenze, Italy
    Heredity (Edinb) 94:108-18. 2005
    ..italicus subspecies are genetically and taxonomically separate units and require independent conservation plans...
  90. ncbi Human paragonimiasis in North America following ingestion of raw crayfish
    Michael A Lane
    Infectious Diseases Division, Washington University, St Louis, Missouri 63110, USA
    Clin Infect Dis 49:e55-61. 2009
    ..Physicians should consider the possibility that patients who present with cough, fever, hemoptysis, and eosinophilia may have paragonimiasis...
  91. pmc A gastrolith protein serving a dual role in the formation of an amorphous mineral containing extracellular matrix
    Assaf Shechter
    Department of Life Sciences, Ben Gurion University of the Negev, Beer Sheva 84105, Israel
    Proc Natl Acad Sci U S A 105:7129-34. 2008
    ..Thus, GAP 65 is the first protein shown to have dual function, involved both in extracellular matrix formation and in mineral deposition during biomineralization...
  92. ncbi Linear habitats and the nested clade analysis: an empirical evaluation of geographic versus river distances using an Ozark crayfish (Decapoda: Cambaridae)
    James W Fetzner
    Department of Integrative Biology, Brigham Young University, 675 Widtsoe Building, Provo, Utah 84602, USA
    Evolution 57:2101-18. 2003
    ....
  93. ncbi Cellular basis of neurogenesis in the brain of crayfish, Procambarus clarkii: Neurogenic complex in the olfactory midbrain from hatchlings to adults
    Cha Kyong Song
    Neuroscience Institute and Department of Biology, Georgia State University, P O Box 5030, Atlanta, GA 30302 5030, USA
    Arthropod Struct Dev 38:339-60. 2009
    ..We conclude that neurogenesis in the olfactory deutocerebrum of juvenile and adult P. clarkii is based on a few neuroblasts that are associated with unique clumps of cells likely representing stem cell niches...
  94. ncbi Phylogenetic and phylogeographic relationships in the crayfish genus Austropotamobius inferred from mitochondrial COI gene sequences
    Peter Trontelj
    Department of Biology, Biotechnical Faculty, University of Ljubljana, P O Box 2995, SI 1001 Ljubljana, Slovenia
    Mol Phylogenet Evol 34:212-26. 2005
    ....
  95. ncbi A crustacean serotonin receptor: cloning and distribution in the thoracic ganglia of crayfish and freshwater prawn
    Maria A Sosa
    Institute of Neurobiology, University of Puerto Rico Medical Sciences Campus, San Juan, Puerto Rico 00901
    J Comp Neurol 473:526-37. 2004
    ..We also observed receptors that did not possess counterpart 5-HT staining, suggesting that these may also mediate long-term neurohormonal functions of serotonin...
  96. ncbi Integration and segregation of inputs to higher-order neuropils of the crayfish brain
    Jeremy M Sullivan
    Department of Biological Sciences, Wellesley College, Wellesley, Massachusetts 02481, USA
    J Comp Neurol 481:118-26. 2005
    ..These results suggest a segregation of olfactory and multimodal (including olfactory) inputs within both the accessory lobe and the hemiellipsoid body and provide evidence of important functional subdivisions within both neuropils...
  97. ncbi Newborn cells in the adult crayfish brain differentiate into distinct neuronal types
    Jeremy M Sullivan
    Department of Biological Sciences, Wellesley College, Wellesley, Massachusetts 02481, USA
    J Neurobiol 65:157-70. 2005
    ..In addition to our examination of neurogenesis in the olfactory pathway, we provide the first evidence that adult neurogenesis is also a characteristic feature of the optic neuropils of decapod crustaceans...
  98. ncbi A transglutaminase involved in the coagulation system of the freshwater crayfish, Pacifastacus leniusculus. Tissue localisation and cDNA cloning
    R Wang
    Department of Comparative Physiology, Evolutionary Biology Centre, Uppsala University, Sweden
    Fish Shellfish Immunol 11:623-37. 2001
    ..9 kb transcript exclusively in the haemocytes and at very low levels in muscle and the hepatopancreas. Sequence comparison shows that this TGase has significant similarities to other TGases from invertebrates and mammals...
  99. pmc Adult neurogenesis: a common strategy across diverse species
    Jeremy M Sullivan
    Department of Biological Sciences, Wellesley College, Wellesley, Massachusetts 02481, USA
    J Comp Neurol 500:574-84. 2007
    ..These extensive structural and functional parallels suggest a common strategy for the generation of new neurons in adult brains...
  100. ncbi Insulin and gender: an insulin-like gene expressed exclusively in the androgenic gland of the male crayfish
    Rivka Manor
    Department of Life Sciences, Ben Gurion University of the Negev, Beer Sheva, Israel
    Gen Comp Endocrinol 150:326-36. 2007
    ..Its expression in a male-specific endocrine gland controlling sex differentiation supports the notion that insulin may have evolved in the context of regulating sexual differentiation...
  101. ncbi Avoidance learning in the crayfish (Procambarus clarkii) depends on the predatory imminence of the unconditioned stimulus: a behavior systems approach to learning in invertebrates
    Nobuyuki Kawai
    Nagoya University, Graduate School of Information Science, Chikusa ku Furocho, Nagoya, Japan
    Behav Brain Res 150:229-37. 2004
    ..In Experiment 2, the experimental conditions were switched by using the ABA design. In this experiment, we confirmed that avoidance behavior was restricted to walking. These results are readily explained by the behavior systems approach...

Research Grants21

  1. Dynamics of a neural circuit that coordinates locomotion
    Brian Mulloney; Fiscal Year: 2009
    ..This research will be a model for study of limb coordination during locomotion in other animals, including the spinal circuits that are critical to locomotion in mammals, including man. ..
  2. PLASTICITY AT A CRAYFISH NEUROMUSCULAR SYNAPSE
    Jen Wei Lin; Fiscal Year: 2003
    ....
  3. Ethopharmacological Characterization of Reward Systems
    Robert Huber; Fiscal Year: 2006
    ..abstract_text> ..
  4. REGULATION OF SEROTONERGIC NEUROTRANSMISSION
    Donald Edwards; Fiscal Year: 2004
    ..The use to which serotonin is put by the HGNs will be determined, as will the effects of serotonin uptake on other adjacent and well-studied serotonergic systems, including those that modulate posture and escape. ..
  5. SYNAPTIC INTEGRATION AND PLASTICITY IN COMMAND NEURONS
    Donald Edwards; Fiscal Year: 2005
    ..This will be studied with standard electrophyiological techniques. ..
  6. PROTEINASE SYSTEMS IN INSECT HEMOLYMPH
    Michael R Kanost; Fiscal Year: 2010
    ..sexta, to apply this knowledge to insect vectors of human diseases, and to apply advantages of the M. sexta system for fundamental studies on the regulation of serine protease activity. ..
  7. Function of Laccases in Anopheles gambiae
    Michael R Kanost; Fiscal Year: 2010
    ..Disrupting laccase function may provide a new mechanism for controlling mosquito populations. ..
  8. Titin Splicing Mechanisms and Physical Implications
    Marion L Greaser; Fiscal Year: 2010
    ..In addition the rat mutation model we have developed should help to understand mechanisms of cardiac arrhythmia and sudden death. ..
  9. Development of an In-Vitro Angiogenesis System
    Thomas Neumann; Fiscal Year: 2006
    ..Moreover, the model has a significant potential to be translated into microvascular systems for artificial tissues and organs. We consider our research program to be ideally suited to the R21 mechanism. ..
  10. PHYSIOLOGIC BASIS OF MUSCLE FUNCTIONAL MRI
    RONALD MEYER; Fiscal Year: 2005
    ..involvement in various fatigue syndromes: first, is the intensity of the BOLD response in motor cortical areas quantitatively dependent on force development, and second, how is this central response altered by peripheral muscle fatigue? ..
  11. Pilot Studies in Biochemistry of Anopheles gambiae
    Michael Kanost; Fiscal Year: 2005
    ..gambiae serpins and laccases. This project will be a start toward development of a new research area for the PI (mosquito biochemistry) that will build from his experience in biochemistry of other groups of insects. ..
  12. Functional MRI of diabetic peripheral vascular disease
    RONALD MEYER; Fiscal Year: 2003
    ..The MRI portion of this study will be accomplished during a single-session MRI-exercise test, which could be adapted for routine evaluation of peripheral vascular complications in diabetic patients. ..
  13. TITINS ROLE IN MODULATING CARDIAC PASSIVE TENSION
    Marion Greaser; Fiscal Year: 2002
    ..Titin changes may be related to the hypertrophic response that commonly is brought about by high blood pressure and thus is a frequent problem in human health. ..
  14. Functional MRI of diabetic peripheral vascular disease
    RONALD MEYER; Fiscal Year: 2002
    ..The MRI portion of this study will be accomplished during a single-session MRI-exercise test, which could be adapted for routine evaluation of peripheral vascular complications in diabetic patients. ..
  15. Olfactory Development: Cell Proliferation and Maturation
    CHARLES DERBY; Fiscal Year: 2007
    ..abstract_text> ..
  16. Optical Detection of Neural Activity
    Taner Akkin; Fiscal Year: 2007
    ..Based on these observations, the specific aims of our proposed research are designed to correlate the transient structural changes and the optical signals indicating the neural activity. [unreadable] [unreadable] [unreadable]..
  17. ONLY NEURONS READ NEURAL CODES
    RAYMON GLANTZ; Fiscal Year: 2002
    ..The problem of neural coding has important implications for the design of prosthetic devices and the linkage between such devices and the nervous system. ..
  18. Liposomal Opioids Extend Analgesia in Laboratory Animals
    Lisa Krugner Higby; Fiscal Year: 2008
    ..If proven efficacious, these analgesic regimens would lead to a significant change in the post-surgical care of animals used in biomedical research and veterinary medicine. ..
  19. PF-L-DOPA: a MRI tool for developmental neurobiology
    Sherry Dingman; Fiscal Year: 2005
    ..This new MRI methods will reveal structural and functional brain alterations during development, making it possible to monitor the neurobiological impact of exposure to drugs. ..