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隔室生态位塑造了与γ-变形菌纲相关的微生物群落的组装和网络。

Compartment Niche Shapes the Assembly and Network of -Associated Microbiome.

作者信息

Wei Guangfei, Ning Kang, Zhang Guozhuang, Yu Haibin, Yang Shuming, Dai Fei, Dong Linlin, Chen Shilin

机构信息

Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.

Yunnan Industrial Investment Group, Yunnan Hemp Seed Industry Co., Ltd., Kunming, China.

出版信息

Front Microbiol. 2021 Oct 5;12:714993. doi: 10.3389/fmicb.2021.714993. eCollection 2021.

DOI:10.3389/fmicb.2021.714993
PMID:34675893
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8524047/
Abstract

Interactions between plants and microbes may promote the growth of plants and regulate the production of secondary metabolites. Hemp () is an annual herb and an important commercial crop. However, the assembly and network of hemp-associated microbiomes inhabiting in soil and plant compartments have not been comprehensively understood. This work investigated the assembly and network of bacterial and fungal communities living in soils (bulk and rhizosphere) and plant compartments (root, stem, leaf, and flower) of four hemp ecotypes cultivated in the same habitat. Microbiome assembly was predominantly shaped by compartment niche. Microbial alpha diversity was the highest in soil, continually decreased from root to flower. Core bacterial genera , , , , and were mostly enriched in aerial endosphere niches; , , and were enriched in belowground endosphere. Microbial network complexity and connectivity decreased from root to flower. According to source tracking analysis, hemp microbiota primarily originated from soil and were subsequently filtered in different plant compartments. This work provides details on hemp-associated microbiome along the soil-plant continuum and a comprehensive understanding of the origin and transmission mode of endophytes in hemp.

摘要

植物与微生物之间的相互作用可能促进植物生长并调节次生代谢产物的产生。大麻是一种一年生草本植物，也是一种重要的经济作物。然而，人们尚未全面了解栖息在土壤和植物各部分中的大麻相关微生物群落的组装和网络。这项工作研究了在同一栖息地种植的四种大麻生态型的土壤（大田和根际）和植物各部分（根、茎、叶和花）中细菌和真菌群落的组装和网络。微生物群落组装主要受区室生态位的影响。微生物α多样性在土壤中最高，从根到花持续下降。核心细菌属、、、、和大多富集于地上内圈生态位；、和富集于地下内圈。微生物网络的复杂性和连通性从根到花逐渐降低。根据来源追踪分析，大麻微生物群主要源自土壤，随后在不同的植物区室中被筛选。这项工作提供了沿土壤 - 植物连续体的大麻相关微生物群落的详细信息，并全面了解了大麻内生菌的起源和传播方式。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/c43bbc6a08c4/fmicb-12-714993-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/9f065be6668f/fmicb-12-714993-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/8f96a252d561/fmicb-12-714993-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/cb1ea892bac4/fmicb-12-714993-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/7789133530f2/fmicb-12-714993-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/0d512bdb0132/fmicb-12-714993-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/c43bbc6a08c4/fmicb-12-714993-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/9f065be6668f/fmicb-12-714993-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/8f96a252d561/fmicb-12-714993-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/cb1ea892bac4/fmicb-12-714993-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/7789133530f2/fmicb-12-714993-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/0d512bdb0132/fmicb-12-714993-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e573/8524047/c43bbc6a08c4/fmicb-12-714993-g006.jpg

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