Anthropogenic disturbances consistently favor the high-yield strategists of soil bacterial community in the Eurasian steppe

Abstract Purpose Multiple anthropogenic disturbances, such as climate warming and nitrogen deposition are affecting terrestrial ecosystems. Different disturbances may have some consistent effects on the soil microbial community, which remains largely unexplored. Methods We mimicked 16 anthropogenic...

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Autores principales:	Yi Fan, Tingting Li, Wei Liu, Minjie Xu, Shuang Pang, Zijia Zhang, Lihua Zhang, Yowhan Son, Ximei Zhang
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Disturbance Grassland Metagenome Stochasticity Microbiology QR1-502
Acceso en línea:	https://doaj.org/article/8ad68d5f368547e1bac55a4a28d19f92
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spelling	oai:doaj.org-article:8ad68d5f368547e1bac55a4a28d19f922021-11-28T12:04:51ZAnthropogenic disturbances consistently favor the high-yield strategists of soil bacterial community in the Eurasian steppe10.1186/s13213-021-01658-01590-42611869-2044https://doaj.org/article/8ad68d5f368547e1bac55a4a28d19f922021-11-01T00:00:00Zhttps://doi.org/10.1186/s13213-021-01658-0https://doaj.org/toc/1590-4261https://doaj.org/toc/1869-2044Abstract Purpose Multiple anthropogenic disturbances, such as climate warming and nitrogen deposition are affecting terrestrial ecosystems. Different disturbances may have some consistent effects on the soil microbial community, which remains largely unexplored. Methods We mimicked 16 anthropogenic disturbances in a steppe ecosystem, and measured the absolute abundance and taxonomic composition of soil bacterial communities with qPCR and amplicon sequencing, respectively. Results We found that while the absolute abundance of each of the four dominant bacterial phyla did not show a consistent response to these disturbances, that of the five subdominant phyla showed a consistent increase. Meanwhile, these disturbances consistently stimulated the relative abundances of metabolic functions for high-growth-yield, including the transport/metabolism of amino acids and carbohydrates. Stochastic processes (e.g., random birth) played more critical roles in structuring the subdominant than dominant phyla, and the disturbances promoted the stochastic processes. Conclusions Overall, the high-yield traits and stochasticity of subdominant phyla led to their positive responses to disturbances. Furthermore, our findings indicate that the intensifying human activities are likely to cause a high-yield-strategies-toward shift in soil microbial composition in the Eurasian steppe ecosystem.Yi FanTingting LiWei LiuMinjie XuShuang PangZijia ZhangLihua ZhangYowhan SonXimei ZhangBMCarticleDisturbanceGrasslandMetagenomeStochasticityMicrobiologyQR1-502ENAnnals of Microbiology, Vol 71, Iss 1, Pp 1-5 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Disturbance Grassland Metagenome Stochasticity Microbiology QR1-502
spellingShingle	Disturbance Grassland Metagenome Stochasticity Microbiology QR1-502 Yi Fan Tingting Li Wei Liu Minjie Xu Shuang Pang Zijia Zhang Lihua Zhang Yowhan Son Ximei Zhang Anthropogenic disturbances consistently favor the high-yield strategists of soil bacterial community in the Eurasian steppe
description	Abstract Purpose Multiple anthropogenic disturbances, such as climate warming and nitrogen deposition are affecting terrestrial ecosystems. Different disturbances may have some consistent effects on the soil microbial community, which remains largely unexplored. Methods We mimicked 16 anthropogenic disturbances in a steppe ecosystem, and measured the absolute abundance and taxonomic composition of soil bacterial communities with qPCR and amplicon sequencing, respectively. Results We found that while the absolute abundance of each of the four dominant bacterial phyla did not show a consistent response to these disturbances, that of the five subdominant phyla showed a consistent increase. Meanwhile, these disturbances consistently stimulated the relative abundances of metabolic functions for high-growth-yield, including the transport/metabolism of amino acids and carbohydrates. Stochastic processes (e.g., random birth) played more critical roles in structuring the subdominant than dominant phyla, and the disturbances promoted the stochastic processes. Conclusions Overall, the high-yield traits and stochasticity of subdominant phyla led to their positive responses to disturbances. Furthermore, our findings indicate that the intensifying human activities are likely to cause a high-yield-strategies-toward shift in soil microbial composition in the Eurasian steppe ecosystem.
format	article
author	Yi Fan Tingting Li Wei Liu Minjie Xu Shuang Pang Zijia Zhang Lihua Zhang Yowhan Son Ximei Zhang
author_facet	Yi Fan Tingting Li Wei Liu Minjie Xu Shuang Pang Zijia Zhang Lihua Zhang Yowhan Son Ximei Zhang
author_sort	Yi Fan
title	Anthropogenic disturbances consistently favor the high-yield strategists of soil bacterial community in the Eurasian steppe
title_short	Anthropogenic disturbances consistently favor the high-yield strategists of soil bacterial community in the Eurasian steppe
title_full	Anthropogenic disturbances consistently favor the high-yield strategists of soil bacterial community in the Eurasian steppe
title_fullStr	Anthropogenic disturbances consistently favor the high-yield strategists of soil bacterial community in the Eurasian steppe
title_full_unstemmed	Anthropogenic disturbances consistently favor the high-yield strategists of soil bacterial community in the Eurasian steppe
title_sort	anthropogenic disturbances consistently favor the high-yield strategists of soil bacterial community in the eurasian steppe
publisher	BMC
publishDate	2021
url	https://doaj.org/article/8ad68d5f368547e1bac55a4a28d19f92
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Anthropogenic disturbances consistently favor the high-yield strategists of soil bacterial community in the Eurasian steppe

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