| intrauterine fetal demise associated with consumption coagulopathy in a douc langur monkey (pygathrix nemaeus nemaeus). | intrauterine fetal demise was suspected in a douc langur monkey based on measurements of declining urinary estrogen levels. additional clinical evaluation by fetal cardiac auscultation, ultrasonic instrumentation, radiologic examination, and amniocentesis supported the diagnosis. blood clotting studies demonstrated deficiency of factors consistent with a diagnosis of consumptive coagulopathy, a syndrome identical to that observed in man following prolonged intrauterine fetal demise. | 1978 | 105142 |
| [invasive amebiasis due to entamoeba histolytica in a douc langur (pygathrix nemaeus l. 1771)]. | | 1975 | 163637 |
| intestinal obstruction and perforation caused by undigested acacia sp leaves in langur monkeys. | during a 2-week period, 3 hanuman langurs (presbytis entellus) died from severe fibrinopurulent and proliferative peritonitis. partially digested plant material was identified in the necrotic abdominal debris of the 1st and 2nd langurs. in the 3rd, a phytobezoar that extended 17.5 cm distally from the pyloric area had caused a 1-cm perforation. seven months later, surgery was performed on a douc langur (pygathrix nemaeus) to remove 1 gastric and 2 intestinal phytobezoars composed primarily of un ... | 1982 | 7174459 |
| sequence evolution of the ccr5 chemokine receptor gene in primates. | the chemokine receptor ccr5 can serve as a coreceptor for m-tropic hiv-1 infection and both m-tropic and t-tropic siv infection. we sequenced the entire ccr5 gene from 10 nonhuman primates: pongo pygmaeus, hylobates leucogenys, trachypithecus francoisi, trachypithecus phayrei, pygathrix nemaeus, rhinopithecus roxellanae, rhinopithecus bieti, rhinopithecus avunculus, macaca assamensis, and macaca arctoides. when compared with ccr5 sequences from humans and other primates, our results demonstrate ... | 1999 | 10486970 |
| food-sharing behaviour within a group of douc monkeys (pygathrix nemaeus nemaeus). | | 1972 | 12635307 |
| pseudogenization of the tumor-growth promoter angiogenin in a leaf-eating monkey. | physiological functions of human genes may be studied by gene-knockout experiments in model organisms such as the mouse. this strategy relies on the existence of one-to-one gene orthology between the human and mouse. when lineage-specific gene duplication occurs and paralogous genes share a certain degree of functional redundancy, knockout mice may not provide accurate functional information on human genes. angiogenin is a small protein that stimulates blood-vessel growth and promotes tumor deve ... | 2003 | 12711394 |
| adaptive evolution of digestive rnase1 genes in leaf-eating monkeys revisited: new insights from ten additional colobines. | pancreatic rnase genes implicated in the adaptation of the colobine monkeys to leaf eating have long intrigued evolutionary biologists since the identification of a duplicated rnase1 gene with enhanced digestive efficiencies in pygathrix nemaeus. the recent emergence of two contrasting hypotheses, that is, independent duplication and one-duplication event hypotheses, make it into focus again. current understanding of colobine rnase1 gene evolution of colobine monkeys largely depends on the analy ... | 2010 | 19748931 |
| airborne mycobacterium avium infection in a group of red-shanked douc langurs (pygathrix nemaeus nemaeus). | this report describes an airborne mycobacterium avium (ma)-infection in two red-shanked douc langurs (pygathrix nemaeus nemaeus) from cologne zoo. | 2010 | 20202077 |
| karyotype abnormalities in two primate species, pygathrix nemaeus and lemur coronatus. | the karyotypes of 7 douc langurs (pygathrix nemaeus) and 3 crowned lemurs (lemur coronatus) were examined. abnormalities in 23.5% of the karyotypes of 1 male douc langur were associated with a history of fathering stillborns and abortuses (38%). karyotype analysis of an apparently normal female lemur revealed three differing karyotypes, one normal and two abnormal. | 2000 | 102569 |
| isolation of primate calicivirus pan paniscus type 1 from a douc langur (pygathrix nemaeus l.). | | 1985 | 4078979 |
| diet versus phylogeny: a comparison of gut microbiota in captive colobine monkey species. | both diet and host phylogeny shape the gut microbial community, and separating out the effects of these variables can be challenging. in this study, high-throughput sequencing was used to evaluate the impact of diet and phylogeny on the gut microbiota of nine colobine monkey species (n = 64 individuals). colobines are leaf-eating monkeys that fare poorly in captivity-often exhibiting gastrointestinal (gi) problems. this study included eight asian colobines (rhinopithecus brelichi, rhinopithecus ... | 2017 | 28735426 |
| comparing the effectiveness of metagenomics and metabarcoding for diet analysis of a leaf-feeding monkey (pygathrix nemaeus). | faecal samples are of great value as a non-invasive means to gather information on the genetics, distribution, demography, diet and parasite infestation of endangered species. direct shotgun sequencing of faecal dna could give information on these simultaneously, but this approach is largely untested. here, we used two faecal samples to characterize the diet of two red-shanked doucs langurs (pygathrix nemaeus) that were fed known foliage, fruits, vegetables and cereals. illumina hiseq produced ~ ... | 2015 | 25042073 |
| distribution and conservation status of the red-shanked douc (pygathrix nemaeus) in lao pdr: an update. | the endangered red-shanked douc (pygathrix nemaeus), endemic to lao pdr, vietnam, and perhaps cambodia, remains little known. the lao population is highly threatened. to improve conservation prospects of the species there, we here update a status review from 1999. subsequent literature (mostly not readily available to the outside scientific community) was reviewed critically. doucs and their habitat in lao pdr faced continuous, increasing threats in the past 10 years through large development pr ... | 2012 | 22903749 |
| seasonality of group size, feeding, and breeding in wild red-shanked douc langurs (lao pdr). | in asian colobines, small one-male groups (omg) seem to predominate alongside all-male groups (amg), while larger multimale groups (mmg) are rare, but are reported for hanuman langurs and red-shanked douc langurs. recently, however, it has been speculated that the genus pygathrix could have multilevel societies based on (1) a theoretical extension of the multilevel societies found in rhinopithecus to all odd-nosed colobines and (2) first data for black-shanked douc langurs. this assumes bands co ... | 2011 | 21769909 |
| learning the ropes: the ontogeny of locomotion in red-shanked douc (pygathrix nemaeus), delacour's (trachypithecus delacouri), and hatinh langurs (trachypithecus hatinhensis) i. positional behavior. | recent studies at the endangered primate rescue center (eprc) in the socialist republic of vietnam's cuc phuong national park by byron et al. ([2002] am. j. phys. anthropol. [suppl.] 34:51) and covert and byron ([2002] caring for primates) revealed unexpected locomotor and postural behaviors in the red-shanked douc langur (pygathrix nemaeus). this paper further elucidates the question of red-shanked douc suspensory behavior, and provides initial positional behavior data for two other rare asian ... | 2005 | 15795897 |
| [chromosomes of the clothes ape (pygathrix nemaeus)]. | | 1970 | 5516831 |
| efficacy of camera traps in detecting primates in hue saola nature reserve. | camera trapping has been demonstrated to be an effective tool in surveying a suite of species, especially elusive mammals in rough terrains. the method has become increasingly common in primate surveys for both ground-dwelling and arboreal taxa in many tropical regions of the world. however, camera trapping has rarely been used to inventory primates in vietnam, although many species are under severe threats and in critical need of surveying for improved conservation measures. in this study, we e ... | 2020 | 32383126 |
| retention marker excretion suggests incomplete digesta mixing across the order primates. | the digestive tract of animals, and the patterns how passage markers are excreted from them, have been fruitfully compared to chemical reactor models from engineering science. an important characteristic of idealized reactor models is the smoothness of the curves plotting marker concentrations in outflow (i.e., faeces) over time, which is the result of the assumed complete mixing of the marker with the reactor contents. published excretion patterns from passage experiments in non-primate mammals ... | 2019 | 31125579 |
| bacterial community structure and function distinguish gut sites in captive red-shanked doucs (pygathrix nemaeus). | the mammalian order primates contains wide species diversity. members of the subfamily colobinae are unique amongst extant primates in that their gastrointestinal systems more closely resemble those of ruminants than other members of the primate order. in the growing literature surrounding nonhuman primate microbiomes, analysis of microbial communities has been limited to the hindgut, since few studies have captured data on other gut sites, including the foregut of colobine primates. in this stu ... | 2019 | 30997937 |
| associations between nutrition, gut microbiome, and health in a novel nonhuman primate model. | red-shanked doucs (pygathrix nemaeus) are endangered, foregut-fermenting colobine primates which are difficult to maintain in captivity. there are critical gaps in our understanding of their natural lifestyle, including dietary habits such as consumption of leaves, unripe fruit, flowers, seeds, and other plant parts. there is also a lack of understanding of enteric adaptations, including their unique microflora. to address these knowledge gaps, we used the douc as a model to study relationships ... | 2018 | 30042392 |
| was mesopithecus a seed eating colobine? assessment of cracking, grinding and shearing ability using dental topography. | extant colobine monkeys have been historically described as specialized folivores. however, reports on both their behavior and dental metrics tend to ascribe a more varied diet to them. in particular, several species, such as pygathrix nemaeus and rhinopithecus roxellana, are dedicated seasonal seed eaters. they use the lophs on their postcanine teeth to crack open the hard endocarp that protects some seeds. this raises the question of whether the bilophodont occlusal pattern of colobine monkeys ... | 2017 | 29037418 |
| the phyletic position and systematics of the douc langurs of southeast asia. | in recent years, two major questions concerning the phyletic relationships and systematic position of the douc langurs have arisen. these concern, firstly, the taxonomic level at which the doucs as a group should be distinguished and, secondly, the number of taxa of doucs that should be recognized. it has recently been demonstrated on the basis of an exhaustive phylogenetic analysis that the doucs are generically distinct from the snub-nosed langurs and that they should be referred to as species ... | 1995 | 31924070 |