Contrast diversity patterns and processes of microbial community assembly in a river-lake continuum across a catchment scale in northwestern China DOI Creative Commons
Xiangming Tang,

Guijuan Xie,

Keqiang Shao

et al.

Environmental Microbiome, Journal Year: 2020, Volume and Issue: 15(1)

Published: April 25, 2020

Abstract Background Microorganisms in rivers and lakes are essential for nutrient recycling aquatic ecosystems. Understanding the ecological processes shaping microbial communities is of crucial importance ecology biogeography. However, diversity microorganisms forces that control this poorly understood. This particularly true within framework river-lake continuum arid regions. Results Using a whole catchment-sampling effort, we explored biogeographical patterns mechanisms community (bacteria archaea) assembly catchment largest inland once freshwater lake (Lake Bosten) China. Water samples from headstream tributaries, mainstream River Kaidu to downstream Lake Bosten were characterized using amplicon sequencing 16S rRNA genes. Higher α-diversity was found tributaries compared with Bosten. And composition also significantly different between its connected river habitats. Canonical correspondence analysis demonstrated salinity total suspended solids most important environmental factors variations. Overall, pure spatial explained 13.7 5.6% variation, respectively, while 32.0% variation by combined variables. These observations suggested spatially structured variations mainly shaped biogeography region. Both deterministic stochastic influenced habitats, pattern pronounced microbiome habitat. Co-occurrence network revealed more abundant complicated correlations among frequently occurred taxa habitat habitat, implying multispecies interactions (e.g., competition) structures. Conclusions Our findings demonstrate an succession along across basin China, highlight effects on regional β -diversity species local assembly.

Language: Английский

The effect of bioelectrochemical systems on antibiotics removal and antibiotic resistance genes: A review DOI
Weifu Yan, Yong Xiao,

Weida Yan

et al.

Chemical Engineering Journal, Journal Year: 2018, Volume and Issue: 358, P. 1421 - 1437

Published: Oct. 15, 2018

Language: Английский

Citations

280
Differentiation strategies of soil rare and abundant microbial taxa in response to changing climatic regimes DOI
Yuting Liang,

Xian Xiao,

Erin Nuccio

et al.

Environmental Microbiology, Journal Year: 2020, Volume and Issue: 22(4), P. 1327 - 1340

Published: Feb. 18, 2020

Summary Despite the important roles of soil microbes, especially most diverse rare taxa in maintaining community diversity and multifunctionality, how different climate regimes alter stability functions microbial biosphere remains unknown. We reciprocally transplanted field soils across a latitudinal gradient to simulate change sampled annually after harvesting maize over following 6 years (from 2005 2011). By sequencing 16S ribosomal RNA gene amplicons, we found that changing significantly altered composition dynamics communities. A continuous succession abundant communities was observed. Rare were more stable under climatic regimes, with lower variations temporal dynamics, higher constancy diversity. More nitrogen cycling genes detected members than members, including amoA , napA nifH nirK nirS norB nrfA . Random forest analysis receiver operating characteristics showed may act as potential contributors yield climatics. The study indicates taxonomically functionally has increase functional redundancy enhance ability counteract environmental disturbances. With ongoing global change, exploring process changes be elucidating ecosystem multifunctionality are mediated by

Language: Английский

Citations

242
Rare taxa maintain the stability of crop mycobiomes and ecosystem functions DOI
Chao Xiong, Ji‐Zheng He, Brajesh K. Singh

et al.

Environmental Microbiology, Journal Year: 2020, Volume and Issue: 23(4), P. 1907 - 1924

Published: Sept. 30, 2020

Plants harbour highly diverse mycobiomes which sustain essential functions for host health and productivity. However, ecological processes that govern the plant-mycobiome assembly, interactions their impact on ecosystem remain poorly known. Here we characterized role community assembly of both abundant rare fungal taxa along soil-plant continuums (rhizosphere, phyllosphere endosphere) in maize-wheat/barley rotation system under different fertilization practices at two contrasting sites. Our results indicate mycobiome is shaped predominantly by compartment niche species rather than environmental factors. Moreover, crop-associated communities are dominated few mainly belonging to Sordariomycetes Dothideomycetes, while majority diversity within represented taxa. For plant compartments, sub-community determined stochastic processes. In contrast, more sensitive selection governed deterministic Furthermore, our demonstrate play an important co-occurrence network functioning like crop yield soil enzyme activities. These significantly advance understanding highlight key sustaining stability functions.

Language: Английский

Citations

204
Response of the eukaryotic plankton community to the cyanobacterial biomass cycle over 6 years in two subtropical reservoirs DOI Creative Commons
Lemian Liu, Huihuang Chen, Min Liu

et al.

The ISME Journal, Journal Year: 2019, Volume and Issue: 13(9), P. 2196 - 2208

Published: May 3, 2019

Abstract Although it is widely recognized that cyanobacterial blooms have substantial influence on the plankton community in general, their correlations with whole of eukaryotic at longer time scales remain largely unknown. Here, we investigated temporal dynamics communities two subtropical reservoirs over a 6-year period (2010–2015) following one biomass cycle—the bloom (middle 2010), cyanobacteria decrease (late 2010–early 2011), non-bloom (2011–2014), increase, and second 2014–2015). The succession strongly correlated this cycle was divided into four periods, each had distinct characteristics environments both reservoirs. Integrated co-occurrence networks based study revealed remarkably high network centralities, OTUs stronger exhibited higher centralities. integrated were also modularly responded to different therefore cycle. Moreover, sub-networks periods indicated patterns not constant but varied associating biomass. Based these long-term observations, our results reveal created niches between persistent bloom, non-bloom, increase cyanobacteria, associated patterns. Our important implications for understanding how complex aquatic respond under changing environments.

Language: Английский

Citations

188
Ecological stability of microbial communities in Lake Donghu regulated by keystone taxa DOI Creative Commons
Shengwei Liu, Yu Huang,

Yuhe Yu

et al.

Ecological Indicators, Journal Year: 2022, Volume and Issue: 136, P. 108695 - 108695

Published: Feb. 21, 2022

Seasonal variations of environmental factors generally result in considerable changes microbiomes, yet we still lack a clear understanding how microbial communities maintain their ecological stability. Here, analyze long-term (nine years) high-throughput sequencing dataset by network analysis to illustrate the stability varies among seasons lake ecosystems. The results showed that networks were distinctly different seasons, and most complex autumn exhibited highest We found strong connecting structures microbes (large modules) significantly (P < 0.05) correlated with water temperature pH, which would negatively affect keystone taxa destabilize communities. more stable removal unstable networks. Moreover, specific due filtering relevant interspecific interactions. These suggested seasonal could influence community via regulation taxa. Thus, be used as indicators reflect findings improve our co-occurrence patterns reveal mechanism aquatic

Language: Английский

Citations

180
Linking Bacterial-Fungal Relationships to Microbial Diversity and Soil Nutrient Cycling DOI Creative Commons
Shuo Jiao, Ziheng Peng, Jiejun Qi

et al.

mSystems, Journal Year: 2021, Volume and Issue: 6(2)

Published: March 23, 2021

The relationships between soil biodiversity and ecosystem functions are an important yet poorly understood topic in microbial ecology. This study presents exploratory effort to gain predictive understanding of the factors driving diversity potential nutrient cycling complex terrestrial ecosystems.

Language: Английский

Citations

166
Dominant role of abundant rather than rare bacterial taxa in maintaining agro-soil microbiomes under environmental disturbances DOI
Shuo Jiao,

Junman Wang,

Gehong Wei

et al.

Chemosphere, Journal Year: 2019, Volume and Issue: 235, P. 248 - 259

Published: June 24, 2019

Language: Английский

Citations

165
Fungal community demonstrates stronger dispersal limitation and less network connectivity than bacterial community in sediments along a large river DOI
Juan Chen, Peifang Wang, Chao Wang

et al.

Environmental Microbiology, Journal Year: 2019, Volume and Issue: 22(3), P. 832 - 849

Published: Aug. 30, 2019

Summary Despite the essential functions of sedimentary bacterial and fungal communities in biogeochemical cycling, little is known about their biogeographic patterns driving processes large rivers. Here we investigated assemblies co‐occurrence Jinsha River, one largest rivers southwestern China. The mainstream river was divided into upstream, midstream downstream. results showed that both differed significantly among three sections. For communities, composition variations all sites or each section were controlled by combination dispersal limitation environmental selection, dominant factor. Compared with bacteria, fungi had stronger limitation. Co‐occurrence network analyses revealed higher connectivity but a lower proportion positive interaction than at sites. In particular, keystone species belonging to phyla Proteobacteria Firmicutes Ascomycota Chytridiomycota may play critical roles maintaining community function. Together, these observations indicate have influence less implying different assembly mechanisms ecological between bacteria

Language: Английский

Citations

165
Homogeneous selection dominates the microbial community assembly in the sediment of the Three Gorges Reservoir DOI
Yi Li, Yu Gao,

Wenlong Zhang

et al.

The Science of The Total Environment, Journal Year: 2019, Volume and Issue: 690, P. 50 - 60

Published: July 2, 2019

Language: Английский

Citations

148
Resource aromaticity affects bacterial community successions in response to different sources of dissolved organic matter DOI
Lei Zhou, Yongqiang Zhou, Xiangming Tang

et al.

Water Research, Journal Year: 2020, Volume and Issue: 190, P. 116776 - 116776

Published: Dec. 23, 2020

Language: Английский

Citations

146