Specific gut bacterial responses to natural diets of tropical birds.
Specific gut bacterial responses to natural diets of tropical birds.
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DOI：
10.1038/s41598-022-04808-9
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发表时间：
2022-01-13
影响因子：
4.6
通讯作者：
Sam K
中科院分区：
文献类型：
--
作者：
Bodawatta KH;Klečková I;Klečka J;Pužejová K;Koane B;Poulsen M;Jønsson KA;Sam K
在许多动物类群中，肠道细菌群落的组成受到宿主饮食的强烈影响。对于鸟类来说，饮食对微生物群的影响已通过饮食控制研究得到记录。然而，对于野生鸟类，大多数研究都利用基于文献的信息来解读饮食影响，从而忽视了饮食摄入量的个体差异。在这里，我们使用视觉和基于元条形码的消耗饮食识别和细菌 16S rRNA 微生物组测序，研究自然消耗的饮食如何影响 21 种热带鸟类的作物和泄殖腔微生物组的组成。我们表明，同一物种的个体之间的饮食摄入量存在显着差异，并且基于文献的饮食协会严重低估了种内饮食的变异性。此外，尽管基于文献的饮食协会对宿主分类群的分配产生了影响，但天然饮食的组成与作物和泄殖腔微生物组的相似性并不相符。然而，宿主分类群特异性肠道细菌谱系与特定饮食项目呈正相关，表明某些微生物与特定鸟类宿主的不同饮食成分相关。因此，微生物组组成与物种的总体消费饮食组成不一致，但消费饮食的特定成分会对肠道细菌类群产生宿主特异性影响。
The composition of gut bacterial communities is strongly influenced by the host diet in many animal taxa. For birds, the effect of diet on the microbiomes has been documented through diet manipulation studies. However, for wild birds, most studies have drawn on literature-based information to decipher the dietary effects, thereby, overlooking individual variation in dietary intake. Here we examine how naturally consumed diets influence the composition of the crop and cloacal microbiomes of twenty-one tropical bird species, using visual and metabarcoding-based identification of consumed diets and bacterial 16S rRNA microbiome sequencing. We show that diet intakes vary markedly between individuals of the same species and that literature-based dietary guilds grossly underestimate intraspecific diet variability. Furthermore, despite an effect of literature-based dietary guild assignment of host taxa, the composition of natural diets does not align with crop and cloacal microbiome similarity. However, host-taxon specific gut bacterial lineages are positively correlated with specific diet items, indicating that certain microbes associate with different diet components in specific avian hosts. Consequently, microbiome composition is not congruent with the overall consumed diet composition of species, but specific components of a consumed diet lead to host-specific effects on gut bacterial taxa.
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影响因子：
3.6
作者：
Bell KL;Fowler J;Burgess KS;Dobbs EK;Gruenewald D;Lawley B;Morozumi C;Brosi BJ
通讯作者：
Brosi BJ
影响因子：
16.6
作者：
Burin G;Kissling WD;Guimarães PR Jr;Şekercioğlu ÇH;Quental TB
通讯作者：
Quental TB
影响因子：
48
作者：
Callahan BJ;McMurdie PJ;Rosen MJ;Han AW;Johnson AJ;Holmes SP
通讯作者：
Holmes SP
影响因子：
7.7
作者：
da Silva, Luis P.;Mata, Vanessa A.;Beja, Pedro
通讯作者：
Beja, Pedro
影响因子：
1.4
作者：
Fukui, Akiko
通讯作者：
Fukui, Akiko