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Homogeneous Selection and Dispersal Limitation Dominate the Effect of Soil Strata Under Warming Condition

Global warming is likely to affect the underground microbial communities in various ecosystems, but the response of soil microbial communities along a vertical depth profile to global warming has been elusive. Herein, we leveraged a warming field experiment in Qinghai-Tibet Plateau grassland and inv...

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Autores principales: Wang, Zhujun, Feng, Kai, Lu, Guangxin, Yu, Hao, Wang, Shang, Wei, Ziyan, Dang, Ning, Wang, Yingcheng, Deng, Ye
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8908236/
https://www.ncbi.nlm.nih.gov/pubmed/35283849
http://dx.doi.org/10.3389/fmicb.2022.801083
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author Wang, Zhujun
Feng, Kai
Lu, Guangxin
Yu, Hao
Wang, Shang
Wei, Ziyan
Dang, Ning
Wang, Yingcheng
Deng, Ye
author_facet Wang, Zhujun
Feng, Kai
Lu, Guangxin
Yu, Hao
Wang, Shang
Wei, Ziyan
Dang, Ning
Wang, Yingcheng
Deng, Ye
author_sort Wang, Zhujun
collection PubMed
description Global warming is likely to affect the underground microbial communities in various ecosystems, but the response of soil microbial communities along a vertical depth profile to global warming has been elusive. Herein, we leveraged a warming field experiment in Qinghai-Tibet Plateau grassland and investigated the community structure of prokaryotes and fungi from the upper (0–15 cm) and lower (15–30 cm) strata under ambient and elevated temperature treatments. Three-years continual warming only significantly shifted the prokaryotic community within the upper strata and there was no significant effect observed for the fungal community. Additionally, under ambient temperature, there were significant differences between the two strata in both the prokaryotic and fungal communities, but under warming, this effect was alleviated. Next, the prokaryotic and fungal community assembly processes were measured by a phylogenetic-bin-based null approach (iCAMP). Though deterministic and stochastic processes dominated the assembly of prokaryotic and fungal communities, respectively, the deterministic processes were strengthened under warming for both communities. Specifically, the increased portion of homogeneous selection, contributing to a homogenous state, led to a smaller difference between prokaryotic communities of the two soil strata under warming. The smaller difference in the stochastic process component, i.e., dispersal limitation, contributed to the similar fungal community structures between the two strata under warming. This study deepens our understanding of warming effects on grassland microbial communities and gives greater insights on the underlying mechanisms for microbial assembly between upper and lower soil strata under warming scenarios.
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spelling pubmed-89082362022-03-11 Homogeneous Selection and Dispersal Limitation Dominate the Effect of Soil Strata Under Warming Condition Wang, Zhujun Feng, Kai Lu, Guangxin Yu, Hao Wang, Shang Wei, Ziyan Dang, Ning Wang, Yingcheng Deng, Ye Front Microbiol Microbiology Global warming is likely to affect the underground microbial communities in various ecosystems, but the response of soil microbial communities along a vertical depth profile to global warming has been elusive. Herein, we leveraged a warming field experiment in Qinghai-Tibet Plateau grassland and investigated the community structure of prokaryotes and fungi from the upper (0–15 cm) and lower (15–30 cm) strata under ambient and elevated temperature treatments. Three-years continual warming only significantly shifted the prokaryotic community within the upper strata and there was no significant effect observed for the fungal community. Additionally, under ambient temperature, there were significant differences between the two strata in both the prokaryotic and fungal communities, but under warming, this effect was alleviated. Next, the prokaryotic and fungal community assembly processes were measured by a phylogenetic-bin-based null approach (iCAMP). Though deterministic and stochastic processes dominated the assembly of prokaryotic and fungal communities, respectively, the deterministic processes were strengthened under warming for both communities. Specifically, the increased portion of homogeneous selection, contributing to a homogenous state, led to a smaller difference between prokaryotic communities of the two soil strata under warming. The smaller difference in the stochastic process component, i.e., dispersal limitation, contributed to the similar fungal community structures between the two strata under warming. This study deepens our understanding of warming effects on grassland microbial communities and gives greater insights on the underlying mechanisms for microbial assembly between upper and lower soil strata under warming scenarios. Frontiers Media S.A. 2022-02-24 /pmc/articles/PMC8908236/ /pubmed/35283849 http://dx.doi.org/10.3389/fmicb.2022.801083 Text en Copyright © 2022 Wang, Feng, Lu, Yu, Wang, Wei, Dang, Wang and Deng. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Microbiology
Wang, Zhujun
Feng, Kai
Lu, Guangxin
Yu, Hao
Wang, Shang
Wei, Ziyan
Dang, Ning
Wang, Yingcheng
Deng, Ye
Homogeneous Selection and Dispersal Limitation Dominate the Effect of Soil Strata Under Warming Condition
title Homogeneous Selection and Dispersal Limitation Dominate the Effect of Soil Strata Under Warming Condition
title_full Homogeneous Selection and Dispersal Limitation Dominate the Effect of Soil Strata Under Warming Condition
title_fullStr Homogeneous Selection and Dispersal Limitation Dominate the Effect of Soil Strata Under Warming Condition
title_full_unstemmed Homogeneous Selection and Dispersal Limitation Dominate the Effect of Soil Strata Under Warming Condition
title_short Homogeneous Selection and Dispersal Limitation Dominate the Effect of Soil Strata Under Warming Condition
title_sort homogeneous selection and dispersal limitation dominate the effect of soil strata under warming condition
topic Microbiology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8908236/
https://www.ncbi.nlm.nih.gov/pubmed/35283849
http://dx.doi.org/10.3389/fmicb.2022.801083
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