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Is there convergence of gut microbes in blood-feeding vertebrates?

SJ. Song, JG. Sanders, DT. Baldassarre, JA. Chaves, NS. Johnson, AJ. Piaggio, MJ. Stuckey, E. Nováková, JL. Metcalf, BB. Chomel, A. Aguilar-Setién, R. Knight, VJ. McKenzie,

. 2019 ; 374 (1777) : 20180249. [pub] 20190603

Jazyk angličtina Země Velká Británie

Typ dokumentu časopisecké články, práce podpořená grantem, Research Support, U.S. Gov't, Non-P.H.S.

Perzistentní odkaz   https://www.medvik.cz/link/bmc20023815

Animal microbiomes play an important role in dietary adaptation, yet the extent to which microbiome changes exhibit parallel evolution is unclear. Of particular interest is an adaptation to extreme diets, such as blood, which poses special challenges in its content of proteins and lack of essential nutrients. In this study, we assessed taxonomic signatures (by 16S rRNA amplicon profiling) and potential functional signatures (inferred by Phylogenetic Investigation of Communities by Reconstruction of Unobserved States (PICRUSt)) of haematophagy in birds and bats. Our goal was to test three alternative hypotheses: no convergence of microbiomes, convergence in taxonomy and convergence in function. We find a statistically significant effect of haematophagy in terms of microbial taxonomic convergence across the blood-feeding bats and birds, although this effect is small compared to the differences found between haematophagous and non-haematophagous species within the two host clades. We also find some evidence of convergence at the predicted functional level, although it is possible that the lack of metagenomic data and the poor representation of microbial lineages adapted to haematophagy in genome databases limit the power of this approach. The results provide a paradigm for exploring convergent microbiome evolution replicated with independent contrasts in different host lineages. This article is part of the theme issue 'Convergent evolution in the genomics era: new insights and directions'.

Colegio de Ciencias Biológicas y Ambientales Universidad San Francisco de Quito Quito Ecuador 5 Galápagos Science Center Puerto Baquerizo Moreno Galápagos Ecuador

Department of Animal Sciences Colorado State University Fort Collins CO 80523 USA

Department of Biology University of Miami Coral Gables FL 33146 USA

Department of Ecology and Evolutionary Biology University of Colorado Boulder Boulder CO 80309 USA

Department of Pediatrics University of California San Diego La Jolla CA 92093 USA

Department of Pediatrics University of California San Diego La Jolla CA 92093 USA 13 Center for Microbiome Research University of California San Diego San Diego CA 92093 USA 14 Department of Computer Science and Engineering University of California San Diego San Diego CA 92093 USA

Department of Pediatrics University of California San Diego La Jolla CA 92093 USA 2 Cornell Institute for Host Microbe Interactions and Disease Cornell University Ithaca NY 14853 USA

Department of Population Health and Reproduction School of Veterinary Medicine University of California Davis Davis CA 95616 USA

Faculty of Science University of South Bohemia České Budějovice Czech Republic 10 Biology Centre of ASCR Institute of Parasitology České Budějovice Czech Republic

National Wildlife Research Center U S Department of Agriculture Fort Collins CO 80521 USA

Unidad de Investigación Médica en Inmunología Coordinación de Investigación Instituto Mexicano del Seguro Social Centro Médico Nacional Siglo XXI Hospital de Pediatría 3er piso Mexico City Mexico

United States Geological Survey Great Lakes Science Center Hammond Bay Biological Station Millersburg MI 49759 USA

Citace poskytuje Crossref.org

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