lemur

..The initial changes in forelimb kinematics might, therefore, be explained as solutions to a constraint rather than as adaptations to the particular demands of arboreal locomotion...

..Combining research in chromosome evolution, genome evolution and behavior with lemur comparative genomic sequencing will offer insights into many levels of primate evolution...

..e., where reproduction is not limited to dominant group members): ring-tailed lemurs (Lemur catta)...

..In total, 415 lemur surveys were conducted during June-October 2003 and May-September 2004 along six 1,250-m transects that ran ..

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This study of two lemur species (Lemur catta and Propithecus v. verreauxi) in Madagascar combines observations of food procurement and initial food placement in the mouth with comparisons to food toughness and external properties...

..Lemurs' accuracy and response times were similar to monkeys, thus suggesting that they may share mechanisms for serial organization that dates to a common primate ancestor...

..of Archaeolemur to that of living strepsirrhines we collected data on Propithecus verreauxi, Eulemur fulvus, and Lemur catta...

The ring-tailed lemur (Lemur catta) is an endangered species found in southwestern Madagascar, and understanding infectious disease susceptibility is an essential step towards the preservation of wild and captive lemur populations...

In vivo digestibility and transit of two experimental diets were compared across four lemur species for which gastrointestinal morphology and preliminary data on physiology differ:Varecia variegata (VV), Eulemur fulvus (EF), Propithecus ..

The apocrine and sebaceous scent glands of ringtailed lemurs (Lemur catta) appear to serve different social functions...

..We used a novel telemetric gaze-tracking system to record orienting behavior of ringtailed lemurs (Lemur catta) interacting with a naturalistic environment...

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In 1999, we measured the body mass of 101 wild ring-tailed lemurs (Lemur catta) inhabiting the Berenty Reserve, Madagascar...

..The subjects for morphological study were 21 reproductively intact, adult ring-tailed lemurs (Lemur catta), including 10 females and 11 males, two of which (one per sex) subsequently died of natural causes and also ..

..This study investigates genetic divergence among most extant lemur taxa in relation to potential geographical boundaries to gene flow...

..in situ hybridization (FISH) experiments to investigate the chromosome conservation of the ring-tailed lemur (Lemur catta, LCA) with respect to human...

..Beyond showing that semiochemicals could underlie kin recognition and nepotism, we provide a putative olfactory mechanism to guide male-male competition and female mate choice...

..3,600 bp to investigate the controversial relationships within the family Lemuridae. Here our analysis was more successful; only the position of Eulemur coronatus remained uncertain...

..For the mitochondrial DNA data set, we investigate the effects of sampling density within the mouse lemur radiation (genus Microcebus)...

..approach that combined analyses of biochemical and microsatellite markers in 17 female and 19 male ring-tailed lemurs (Lemur catta), we describe odor-gene covariance to establish the feasibility of olfactory-mediated kin recognition.

Hadropithecus stenognathus (Lorenz von Liburnau [1899] Anz. Akad. Wiss. Wien 36:255-257), a giant extinct lemur from Madagascar, has been reconstructed as primarily terrestrial and probably cursorial on the basis of its postcranial ..

..Verreaux's sifakas (Propithecus verreauxi), a diurnal lemur, form multimale multifemale groups with the tendency toward even adult sex ratios despite a small average number ..

..prosimians, the most ancestral primate group? To answer the question, we studied a scent-oriented and gregarious lemur, Propithecus verreauxi (sifaka), showing female dominance, promiscuous mating, and seasonal breeding...

..I focused on adult play fighting and the role of tail-play as a signal in ringtailed lemurs (Lemur catta)...

..Here, we report the discovery of an endogenous lentivirus in the genome of the gray mouse lemur (Microcebus murinus), a strepsirrhine primate from Madagascar, demonstrating that lentiviruses are capable of ..

..We compared these to the bones (also from Taolambiby) of butchered Propithecus verreauxi, a lemur still living in the region...

..Comparative analysis of subfossil lemur wrist morphology complements and expands upon prior inferences based on other regions of the postcranial skeleton, ..

The mating system and social organization of the gray mouse lemur (Microcebus murinus) was investigated in two three-month field studies (covering a period before, during, and after the first mating season) in Ampijoroa, northwestern ..

..the basis of this framework, we analyzed by gas chromatography 35 brachial secretions collected from 10 males of Lemur catta...

..tested predictions of the hypothesis in a nonpaternal, seasonal breeding, prosimian primate (ring-tailed lemurs, Lemur catta)...

..To explore the relationship between individual odor profiles and MHC alleles, we are studying ring-tailed lemurs (Lemur catta)...

..these links is a necessary step toward explaining the function and evolution of distinctive features of lemur biology and behavior...

..of this project was to better define the similarities and differences in gastrointestinal morphology present in lemur species...

..cf. edwardsi) may have survived until the middle of the Second Millennium A.D. One specimen of Hippopotamus of unknown provenance dates to the period of European colonization...

..By correlating the geographic location of subfossil specimens with relative amplification success, we reconfirm the global trend of increased success rates of ancient DNA recovery from nontropical localities...

..biogeographic models by exploring the genetic and morphological divergence among populations of a widely distributed lemur genus, the sportive lemur (Lepilemur ssp.) along a 560 km long transect from western to northern Madagascar.

..Consequently, I examined endocrine profiles and social interaction in the ringtailed lemur (Lemur catta) to search for a potential source of circulating androgen in adult females and an endocrine correlate ..

We examined a purported lemur (Eulemur fulvus rufusxE...

..This taxonomic revision doubles the number of recognized mouse lemur species...

..Moreover, the methods applied will be broadly applicable to other taxonomic groups where phylogenetic relationships have been notoriously difficult to resolve...

Urine marking has been neglected in prosimian primates. Captive studies showed that the Malagasy prosimian Lemur catta scent marks with urine, as well as via specialized depositions. L...

..Enteric bacterial flora included Escherichia coli, Citrobacter ssp., Enterococcus faecalis, Bacillus cereus, Klebsiella ozaenae, Acinetobacter lwofii, and Enterobacter amnigenus...

..the dry forest of Madagascar, where the usual seed dispersers and vertebrate seed predators were absent, using a lemur-dispersed tree species (Strychnos madagascariensis; Loganiaceae) as an example...

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..The relationship between tooth loss, feeding ecology, dental structure, and individual life history in this population has implications for interpreting behavior based on tooth loss in the hominid fossil record...

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..An important implication of rhinolophoid polyphyly is independent evolution of key anatomical innovations associated with the nasal-emission of echolocation pulses...

..Enteric bacterial flora included Enterococcus sp., Staphylococcus sp., Escherichia coli, Streptococcus sp., Klebsiella ozaenae and Bacillus cereus...

..the 2003-2004 dry seasons at the Beza Mahafaly Special Reserve, Madagascar, we observed wild ring-tailed lemurs (Lemur catta) consuming dried fecal matter from three different species...

Because ring-tailed lemurs (Lemur catta) show handedness during feeding, I investigated whether they also show lateral preference in the limbs used by males during scent marking...

..Nevertheless, we find that the catalytically active ISP has an accelerated rate of amino acid replacement in anthropoid primates whereas the catalytically inactive subunit 9 does not...

A detailed fission process in a wild ring-tailed lemur (Lemur catta) troop was observed at Berenty Reserve, Madagascar...

..In this study, data are presented regarding how the densities of six lemur species (Avahi laniger, Cheirogaleus major, Eulemur rubriventer, Hapalemur griseus griseus, Microcebus rufus, and ..

An orphaned infant ring-tailed lemur (Lemur catta) was attacked persistently by immigrant males and disappeared with severe wounds at Berenty Reserve, Madagascar. Prior to the attacks, two troop members disappeared...

..g., unusually high lemur population densities, limited food resources, ecological isolation) of this introduced population...

..Males that live in a group with only a few (two or three) males may experience less physiological stress than those that live in groups with more males...

..was conducted between 1989 and 2001 to monitor changes in the dominance ranks among adult ring-tailed lemurs (Lemur catta) at Berenty Reserve, Madagascar. Adult females were observed to be dominant over adult males...

..production of, for example, beans, and (2) seed dispersal services based on the presence of ring-tailed lemurs (Lemur catta)...

Sportive lemurs constitute a highly diverse endemic lemur family (24 species) for which many biogeographic boundaries are not yet clarified...

..Our findings further suggest that high-resolution multitaxonomic approaches to prioritization may be necessary to ensure protection for biodiversity in other global hot spots...

..Spatial characteristics of food abundance and quality may explain lemur density patterns in Vohibola III. Low E. f...

..physical examinations and biomedical sample collection were performed on 70 free-ranging ring-tailed lemurs (Lemur catta) from three different habitats in the Beza Mahfaly Special Reserve (BMSR), in southern Madagascar, to assess ..

..Nonhuman primates are the most relevant models of human prion diseases...

..of aerobic bacteria, protozoa and helminths was conducted on captive and wild populations of ring-tailed lemurs (Lemur catta). Samples were collected from 50 captive lemurs at 11 zoological institutions in the United States...

..the following species examined: chimpanzee, orangutan, gibbon, anubis baboon, hamadryas baboon, squirrel monkey, lemur and marmoset...

..When males joined such a female-group, a new troop was formed. Although promoted by an increase in population, frequent emigrations of females from original troops are the characteristics of ring-tailed lemurs at Berenty...

..Domain 1 of the PVR orthologs for the ring-tailed lemur and rabbit, which are not susceptible to PV, show only 51 and 61% amino acid sequence identity to that of human ..

..Here we provide such information for two distinct wild populations of Lemur catta. Variants observed include microtia, athelia, and female virilization...

..Between-group competition should lower the values of their reproductive parameters. In sum, these results fit the expectation from Wrangham's (1980) inter group feeding competition model...

..3%. The greatest variability in fecundity is found among old females. We suggest that ring-tailed lemur females follow an "income breeding" strategy, i.e...

..sequence comparisons of multiple species with and without an LPA gene product, such as human, baboon, hedgehog, lemur, and mouse...

..We draw dietary inferences for each of the 16 extinct lemur species in our database...

..Specifically, we compare lemur survivorship and fertility patterns to two published composite models: one created for New World and another ..

..This suggests that fruit colour more than other morphological and chemical fruit traits, reflects food selection by the different frugivore assemblages of those two sites...

..time between feeding and collection of pH data (from several minutes to nearly 1 hr), salivary pH for each wild lemur was above the "critical" pH of 5.5, below which enamel demineralization occurs...

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..MSH binding was lost independently in lemur and New World monkey lineages, whereas high basal levels of MC1R activity occur in lemurs and some New World ..

..the howler monkey, have a significantly higher proportion of OR pseudogenes than do other New World monkeys or the lemur (a prosimian)...

..antibodies were detected in 1 of 3 blue-eyed black lemurs (Eulemur macaco flavifrons), 1 of 21 ring-tailed lemurs (Lemur catta), 2 of 9 red-ruffed lemurs (Varecia variegata rubra), and 2 of 4 black- and white-ruffed lemurs (Varecia ..

..This is also a likely scenario for Xenarthra and the bats. We argue that a definitive epitheliochorial placenta is a secondary specialization and that it evolved twice, once in the Laurasiatheria and once in the lemurs and lorises...

..Type II animals include two New World monkeys (common marmoset, cotton-top tamarin), three prosimians (brown lemur, fat-tailed dwarf lemur, pygmy slow loris), five rodents (a hybrid crested porcupine, Colombian ground squirrel, ..

Movements of forelimb joints and segments during walking in the brown lemur (Eulemur fulvus) were analyzed using cineradiography (150 frames/sec). Metric gait parameters, forelimb kinematics, and intralimb coordination are described...

..capped mangebey (Cercocebus torquatus), colobus (Colobus guereza), angolan colobus (Colobus angolensis), ruffed lemur (Lemur variegatus ruber and Lemur variegatus variegatus), back lemur (Lemur macaco), ring-tailed lemur (Lemur ..

..Dwarf lemur experiments compared individuals with and without a greatly enlarged tail (a feature associated with torpor that ..

..cholinergic basal forebrain territories and their cortical projection areas in a prosimian primate, the gray mouse lemur. Perisomatic CB1 cannabinoid receptor immunoreactivity was unequivocally present in non-cholinergic neurons of the ..

..One hundred twenty-three cases of spontaneous neoplasia were identified in 101 prosimians from the Duke Lemur Center, and 124 cases were reported in 116 prosimians in the literature...

..right hamate, left first metacarpal, and right and left fifth metacarpals) attributed to this rare subfossil lemur. These hand bones were compared to those of extant strepsirrhines and catarrhines in order to infer the positional ..

..No significant differences were found for parasites from the other orders. No significant differences were noted between sexes or between seasons. No clinical signs of parasitic gastroenteritis were seen in either lemur collection.

..of 53 sucking lice (Insecta: Phthiraptera: Anoplura) and 28 hard ticks (Acari: Ixodidae) were collected from 36 lemur captures representing 26 different host individuals...

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..I collected data on wild brown mouse lemur females at Ranomafana between 2004 and 2008 to determine: 1) the timing of estrus and estrous periodicities across ..

..We estimate that lemurs colonized Madagascar between 60 million years ago (Mya) (split from lorises) and 50 Mya (lemur radiation) (70-41 Mya taking 95% credibility intervals into account), tenrecs between 42 and 25 Mya (50-20 Mya), ..

..Adapiforms are commonly referred to as the 'lemur-like' primates of the Eocene epoch, and recent phylogenetic analyses have placed adapiforms as stem members of ..

..0 mya for primates. Furthermore, we reexamined the biogeographic scenarios which have been proposed for the origin of strepsirrhini (lemuriformes and lorisiformes) and for the dispersal of the lemuriformes and lorisiformes...

..of the divergence distributions, phylogenies, and consensus sequences for Alu elements in primates including lemur, marmoset, macaque, baboon, and chimpanzee as compared to human...

..Zoo Biol 26:289-298, 2007. (c) 2007 Wiley-Liss, Inc...

b>Lemur grooming has received very little attention in the literature. Nevertheless, allogrooming in lemurs has been suggested to be fundamentally different from the grooming of anthropoids...

..There were 4 silent mutations that did not contain changes in the encoded amino acids, 2 of which were found in nonneoplastic regions of tumor-bearing liver...

..benefits and side effects, in particular T-cell toxicity and cerebral bleeding, of A derivative immunotherapy in lemur primates...

..benefits and side effects, in particular T-cell toxicity and cerebral bleeding, of A derivative immunotherapy in lemur primates...

..Preliminary results suggest that there may be polymorphic variants leading to protanopia...

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..This research will provide the basis for future research on the development and long-term consequences of behavioral inhibition / shyness. ..

..Finally, a behavioral experiment on squirrel monkeys is proposed that involves an attempt to gain information as to the significance for normal behavior of this within-species variation in visual capacity...

..Preliminary results suggest that there may be polymorphic variants leading to protanopia. ..

..The data we generate will be used in comparison with finite element predictions of mandibular deformations. ..

..Sub aim 1 will use an RNAi approach to reduce the amount of basonuclin in oocytes; Sub aim 2 will use the Cre recombinase to knockout [the] basonuclin gene in oocytes. ..