Comparative Analyses of the Digestive Tract Microbiota of New Guinean Passerine Birds

Frontiers in Microbiology
Kasun H BodawattaMichael Poulsen

Abstract

The digestive tract microbiota (DTM) plays a plethora of functions that enable hosts to exploit novel niches. However, our understanding of the DTM of birds, particularly passerines, and the turnover of microbial communities along the digestive tract are limited. To better understand how passerine DTMs are assembled, and how the composition changes along the digestive tract, we investigated the DTM of seven different compartments along the digestive tract of nine New Guinean passerine bird species using Illumina MiSeq sequencing of the V4 region of the 16S rRNA. Overall, passerine DTMs were dominated by the phyla Firmicutes and Proteobacteria. We found bird species-specific DTM assemblages and the DTM of different compartments from the same species tended to cluster together. We also found a notable relationship between gut community similarity and feeding guilds (insectivores vs. omnivores). The dominant bacterial genera tended to differ between insectivores and omnivores, with insectivores mainly having lactic acid bacteria that may contribute to the breakdown of carbohydrates. Omnivorous DTMs were more diverse than insectivores and dominated by the bacterial phyla Proteobacteria and Tenericutes. These bacteria may contribute...Continue Reading

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Citations

Jul 17, 2020·FEMS Microbiology Ecology·Lucie SchmiedováPetr Procházka
Sep 5, 2019·Frontiers in Microbiology·Sivan Laviad-ShitritMalka Halpern
Mar 19, 2020·Proceedings. Biological Sciences·Brian K TrevellineKevin D Kohl
Aug 28, 2020·Frontiers in Microbiology·Kasun H BodawattaMichael Poulsen
Jun 11, 2019·Frontiers in Veterinary Science·Zhaohao ShiSteven C Ricke
Feb 20, 2021·Animal Microbiome·Kasun H BodawattaKnud A Jønsson
Feb 14, 2021·Applied and Environmental Microbiology·Peter J FlynnCorrie S Moreau
Apr 6, 2021·Frontiers in Microbiology·Mohanraj GunasekaranMalka Halpern
Aug 17, 2021·Trends in Microbiology·Kasun H BodawattaKnud A Jønsson
Jan 15, 2022·Scientific Reports·Kasun H BodawattaKaterina Sam

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Methods Mentioned

BETA
amplicon sequencing
PCR
PCRs
PCA

Software Mentioned

vegan
Mothur
R
FigTree
VSEARCH
Bidiversity R

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