Partner fidelity and environmental filtering preserve stage-specific turtle ant gut symbioses for over 40 million years

IF 7.1 1区环境科学与生态学 Q1 ECOLOGY

Ecological Monographs Pub Date : 2022-12-07 DOI:10.1002/ecm.1560

Yi Hu, Catherine L. D'Amelio, Benoît Béchade, Christian S. Cabuslay, Piotr Łukasik, Jon G. Sanders, Shauna Price, Emily Fanwick, Scott Powell, Corrie S. Moreau, Jacob A. Russell

引用次数: 10

Abstract

Sustaining beneficial gut symbioses presents a major challenge for animals, including holometabolous insects. Social insects may meet such challenges through partner fidelity, aided by behavioral symbiont transfer and transgenerational inheritance through colony founders. We address such potential through colony-wide explorations across 13 eusocial, holometabolous insect species in the ant genus Cephalotes . Through amplicon sequencing, we show that previously characterized worker microbiomes are conserved in sol-dier castes, that adult microbiomes exhibit trends of phylosymbiosis

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合作伙伴的忠诚度和环境过滤将特定阶段的龟蚁肠道共生体保存了4000多万年

维持有益的肠道共生体对包括全代谢组昆虫在内的动物来说是一个重大挑战。群居昆虫可能会通过伴侣忠诚、行为共生体转移和群体创始人的转基因遗传来应对这些挑战。我们通过对头蚁属13种真社会、全代谢组昆虫进行群体范围的探索来解决这一潜力。通过扩增子测序，我们发现先前表征的工人微生物群在士兵种姓中是保守的，成年微生物群表现出系统性共生的趋势，头足类与其最丰富的成年富集共生体共特异性。我们还发现，有翼女王在群体建立之前就有类似工蚁的微生物群，这表明垂直遗传是伴侣忠诚的一种手段。尽管一些数量丰富的成虫共生体定居在幼虫身上，但幼虫肠道微生物群的独特特征是来自肠杆菌目、乳杆菌目和放线菌属的环境细菌。头足类幼虫的分布表明，有4000多万年的保守环境过滤，因此，这是一种古老的、发育分区的共生关系背后的第二种维持机制。

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来源期刊

Ecological Monographs 环境科学-生态学

CiteScore

12.20

自引率

0.00%

发文量

审稿时长

3 months

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