缘尾柱虫幼虫肠道中的三域微生物群落:一项比较研究揭示了肠道分区的相反趋势。

IF 3.6 4区 生物学 Q2 ENVIRONMENTAL SCIENCES Environmental Microbiology Reports Pub Date : 2024-08-14 DOI:10.1111/1758-2229.13324
Emine Gozde Ozbayram, Sabine Kleinsteuber, Heike Sträuber, Bruna Grosch Schroeder, Ulisses Nunes da Rocha, Felipe Borim Corrêa, Hauke Harms, Marcell Nikolausz
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摘要

本研究旨在采用扩增子测序方法,研究边虫幼虫中肠和后肠的细菌、产甲烷古细菌和真核生物群落结构。目的是研究各种食物和土壤如何影响昆虫幼虫肠道内这些三域微生物群落的组成。结果表明,不同肠道区的微生物群落组成存在明显差异。后肠细菌群落主要由反刍球菌科(Ruminococcaceae)和克里斯滕森菌科(Christensenellaceae)组成。在以叶片为食的幼虫中肠样本中检测到了Nocardiaceae、Microbacteriaceae和Lachnospiraceae,而以秸秆为食的幼虫中肠细菌群落主要由Sphingomonadaceae、Rhodobacteraceae和Promicromonasporaceae组成。日粮是影响产甲烷古细菌和真核生物群落模式的重要因素。两个肠道中的产甲烷菌群落存在显著差异,中肠中的产甲烷菌群落与土壤中的产甲烷菌群落更为相似。与后肠相比,两种日粮的中肠样本中甲烷菌的多样性更高。总体而言,后肠的微生物群更具有宿主特异性,而中肠的微生物群则更受环境微生物的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Three-domain microbial communities in the gut of Pachnoda marginata larvae: A comparative study revealing opposing trends in gut compartments

This study aimed to examine the bacterial, methanogenic archaeal, and eukaryotic community structure in both the midgut and hindgut of Pachnoda marginata larvae using an amplicon sequencing approach. The goal was to investigate how various diets and the soil affect the composition of these three-domain microbial communities within the gut of insect larvae. The results indicated a notable variation in the microbial community composition among the gut compartments. The majority of the bacterial community in the hindgut was composed of Ruminococcaceae and Christensenellaceae. Nocardiaceae, Microbacteriaceae, and Lachnospiraceae were detected in midgut samples from larvae feeding on the leaf diet, whereas Sphingomonadaceae, Rhodobacteraceae, and Promicromonasporaceae dominated the bacterial community of midgut of larvae feeding on the straw diet. The diet was a significant factor that influenced the methanogenic archaeal and eukaryotic community patterns. The methanogenic communities in the two gut compartments significantly differed from each other, with the midgut communities being more similar to those in the soil. A higher diversity of methanogens was observed in the midgut samples of both diets compared to the hindgut. Overall, the microbiota of the hindgut was more host-specific, while the assembly of the midgut was more influenced by the environmental microorganisms.

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来源期刊
Environmental Microbiology Reports
Environmental Microbiology Reports ENVIRONMENTAL SCIENCES-MICROBIOLOGY
CiteScore
6.00
自引率
3.00%
发文量
91
审稿时长
3.0 months
期刊介绍: The journal is identical in scope to Environmental Microbiology, shares the same editorial team and submission site, and will apply the same high level acceptance criteria. The two journals will be mutually supportive and evolve side-by-side. Environmental Microbiology Reports provides a high profile vehicle for publication of the most innovative, original and rigorous research in the field. The scope of the Journal encompasses the diversity of current research on microbial processes in the environment, microbial communities, interactions and evolution and includes, but is not limited to, the following: the structure, activities and communal behaviour of microbial communities microbial community genetics and evolutionary processes microbial symbioses, microbial interactions and interactions with plants, animals and abiotic factors microbes in the tree of life, microbial diversification and evolution population biology and clonal structure microbial metabolic and structural diversity microbial physiology, growth and survival microbes and surfaces, adhesion and biofouling responses to environmental signals and stress factors modelling and theory development pollution microbiology extremophiles and life in extreme and unusual little-explored habitats element cycles and biogeochemical processes, primary and secondary production microbes in a changing world, microbially-influenced global changes evolution and diversity of archaeal and bacterial viruses new technological developments in microbial ecology and evolution, in particular for the study of activities of microbial communities, non-culturable microorganisms and emerging pathogens.
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