Anamélia de Souza Jesus
Comparative gastrointestinal organ lengths among Amazonian primates (Primates: Platyrrhini)
Jesus, Anamélia de Souza; de Souza Jesus, A; El Bizri, Hani R.; Rocha El Bizri, H; Fa, Julia E.; Valsecchi, João; Rabelo, Rafael Magalhães; Mayor, Pedro
Authors
A de Souza Jesus
Hani R. El Bizri
Dr Hani Rocha El Bizri H.RochaElBizri@salford.ac.uk
Lecturer in Conservation Biology
Julia E. Fa
João Valsecchi
Rafael Magalhães Rabelo
Pedro Mayor
Abstract
Objectives
The morphological features of the gastrointestinal tract (GIT) in mammals reflect a species' food niche breadth and dietary adaptations. For many wild mammals, the relationship between the structure of the GIT and diet is still poorly understood, for example, the GIT for frugivorous primates is usually classified as unspecialized and homogeneous. Here, we compare the GIT structure of 13 primate species from the three families of extant platyrrhines (Atelidae, Pitheciidae, and Cebidae) in Amazonia, and discuss possible evolutionary adaptations to different diets and trophic niches.
Methods
We measured the length of the esophagus, stomach, small intestine, large intestine, cecum, colon, and rectum of the digestive tracts of 289 primate specimens. We determined the allometric relationships of the different tubular organs with the total length of the GIT as a proxy of specimen body size. Allometric parameters were used to establish the quotients of differentiation of every organ for each primate specimen.
Results
There was a high differentiation in structure of the digestive organs among genera. Alouatta specimens clearly separated from the other genera based on dissimilarities in gastric, colonic, and rectal quotients, likely linked to the fermentation of plant contents. In contrast, all cebines (Sapajus, Cebus, and Saimiri) and Cacajao species had similar small intestine quotients, which is expected due to their high rates of animal matter consumed.
Conclusions
We show that diverse adaptations in digestive structure exist among frugivorous primates, which in turn reflect different dietary patterns within this group that may enable the geographic coexistence of different primate species.
Citation
Jesus, A. D. S., de Souza Jesus, A., El Bizri, H. R., Rocha El Bizri, H., Fa, J. E., Valsecchi, J., …Mayor, P. (2023). Comparative gastrointestinal organ lengths among Amazonian primates (Primates: Platyrrhini). American Journal of Biological Anthropology, 181(3), 440-453. https://doi.org/10.1002/ajpa.24751
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 16, 2023 |
Online Publication Date | Apr 24, 2023 |
Publication Date | Apr 24, 2023 |
Deposit Date | May 3, 2023 |
Publicly Available Date | May 3, 2023 |
Journal | American Journal of Biological Anthropology |
Print ISSN | 2692-7691 |
Publisher | Wiley |
Volume | 181 |
Issue | 3 |
Pages | 440-453 |
DOI | https://doi.org/10.1002/ajpa.24751 |
Keywords | Paleontology, Archeology, Genetics, Anthropology, Anatomy, Epidemiology |
Publisher URL | https://doi.org/10.1002/ajpa.24751 |
Files
Published Version
(3.1 Mb)
PDF
Licence
http://creativecommons.org/licenses/by/4.0/
Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
You might also like
Tech companies liable for illegal wildlife trade
(2022)
Other
Downloadable Citations
About USIR
Administrator e-mail: library-research@salford.ac.uk
This application uses the following open-source libraries:
SheetJS Community Edition
Apache License Version 2.0 (http://www.apache.org/licenses/)
PDF.js
Apache License Version 2.0 (http://www.apache.org/licenses/)
Font Awesome
SIL OFL 1.1 (http://scripts.sil.org/OFL)
MIT License (http://opensource.org/licenses/mit-license.html)
CC BY 3.0 ( http://creativecommons.org/licenses/by/3.0/)
Powered by Worktribe © 2024
Advanced Search