A metagenomic study of primate insect diet diversity

American Journal of Primatology
Sarah B PickettAnthony Di Fiore

Abstract

Descriptions of primate diets are generally based on either direct observation of foraging behavior, morphological classification of food remains from feces, or analysis of the stomach contents of deceased individuals. Some diet items (e.g. insect prey), however, are difficult to identify visually, and observation conditions often do not permit adequate quantitative sampling of feeding behavior. Moreover, the taxonomically informative morphology of some food species (e.g. swallowed seeds, insect exoskeletons) may be destroyed by the digestive process. Because of these limitations, we used a metagenomic approach to conduct a preliminary, "proof of concept" study of interspecific variation in the insect component of the diets of six sympatric New World monkeys known, based on observational field studies, to differ markedly in their feeding ecology. We used generalized arthropod polymerase chain reaction (PCR) primers and cloning to sequence mitochondrial DNA (mtDNA) sequences of the arthropod cytochrome b (CYT B) gene from fecal samples of wild woolly, titi, saki, capuchin, squirrel, and spider monkeys collected from a single sampling site in western Amazonia where these genera occur sympatrically. We then assigned preliminary ta...Continue Reading

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Citations

Apr 20, 2014·Journal of Human Evolution·Jessica M RothmanChristopher C Gilbert
Apr 25, 2013·Molecular Ecology·Rose L AndrewLoren H Rieseberg
Mar 5, 2015·The Journal of Infectious Diseases·Ibrahim HamadFadi Bittar
Jan 10, 2018·American Journal of Physical Anthropology·Elizabeth K MallottRipan S Malhi
Apr 6, 2021·American Journal of Primatology·Amanda K RowePatricia C Wright
Sep 30, 2021·Primates; Journal of Primatology·Nadja I Risch FerreiraEckhard W Heymann

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