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Sleep influences cognitive performance in lemurs
Primates spend almost half their lives asleep, yet little is known about how sleep influences their waking cognition. We hypothesized that diurnal...
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The Emergence of a New Isoform of POU2F1 in Primates through the Use of Egoistic Mobile Genetic Elements
AbstractThe emergence of new genes and functions is of paramount importance in the emergence of new animal species. For example, the insertion of the...
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Climate Change Impacts on Non-human Primates: What Have We Modelled and What Do We Do Now?
Climate change will be a key influence on primates in the twenty-first century, potentially exacerbating the effects of habitat loss and...
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My studies of primates: Sex, affinity, and competition
In this essay, I summarize my research career, with reference to the early days of the Laboratory of Physical Anthropology (LPA) at Kyoto University...
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Linking Vegetation Characteristics of Madagascar’s Spiny Forest to Habitat Occupancy of Lepilemur petteri
Climatic changes with unpredictable weather conditions have negative effects on many primates. With several lemur species reaching their ecological...
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Seasonal Variations in Lemur Edge Proximity in South-Eastern Madagascar
Edge effects are caused by the penetration of abiotic and biotic conditions from the nonforest matrix into forest interiors. Edge effects are...
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Marking Versus Overmarking: Spatial and Behavioral Patterns of Scent Marking in Wild Diademed Sifaka (Propithecus diadema)
In mammals, olfactory communication plays an essential role in territorial and mating dynamics. Scent depositions in various species, including...
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Signaling across the senses: a captive case study in pair-bonded red-bellied lemurs (Eulemur rubriventer) at the Duke Lemur Center, NC, USA
We provide a preliminary case study in red-bellied lemurs ( Eulemur rubriventer ) to illustrate a multimodal approach to understanding communication...
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Genetic variation at MHC class II loci influences both olfactory signals and scent discrimination in ring-tailed lemurs
BackgroundDiversity at the Major Histocompatibility Complex (MHC) is critical to health and fitness, such that MHC genotype may predict an...
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Fruit scent as an honest signal for fruit quality
BackgroundFleshy fruits evolved to be attractive to seed dispersers through various signals such as color and scent. Signals can evolve through...
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Visual System of the Only Nocturnal Anthropoid, Aotus: The Owl Monkey
Diurnal haplorhines exhibit derived traits for high-acuity photopic vision, unique across mammals, and many other vertebrates. Yet, sometime in the...
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A framework for testing the impact of co-infections on host gut microbiomes
Parasitic infections disturb gut microbial communities beyond their natural range of variation, possibly leading to dysbiosis. Yet it remains...
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First evidence of contagious yawning in a wild lemur
AbstractContrary to spontaneous yawning, yawn contagion occurs when yawning in a subject (responder) is elicited by the yawns of others (triggers)....
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Terrestrial Tree Hugging in a Primarily Arboreal Lemur (Propithecus verreauxi): a Cool Way to Deal with Heat?
High temperatures pose a significant risk to mammals, especially those living in hot and dry environments such as southern Madagascar, the location...
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Significant effects of host dietary guild and phylogeny in wild lemur gut microbiomes
Mammals harbor diverse gut microbiomes (GMs) that perform critical functions for host health and fitness. Identifying factors associated with GM...
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Shifting Biogeographic Patterns of Microcebus ravelobensis and M. murinus
It is important to understand how sympatric congeners can co-occur within the same landscapes to better understand niche differentiation and how each...
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Antibiotics and fecal transfaunation differentially affect microbiota recovery, associations, and antibiotic resistance in lemur guts
BackgroundAntibiotics alter the diversity, structure, and dynamics of host-associated microbial consortia, including via development of antibiotic...
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A National-Level Assessment of Lemur Hunting Pressure in Madagascar
Hunting is one of the greatest threats to nonhuman primates worldwide. Despite Madagascar’s status as a primate mega-diversity country, a critical...
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Environmental and anthropogenic influences on movement and foraging in a critically endangered lemur species, Propithecus tattersalli: implications for habitat conservation planning
BackgroundWildlife conservation often focuses on establishing protected areas. However, these conservation zones are frequently established without...
