دورية أكاديمية
أعرض في EDS

Regional factors as major drivers for microbial community turnover in tropical cascading reservoirs.

التفاصيل البيبلوغرافية
العنوان: Regional factors as major drivers for microbial community turnover in tropical cascading reservoirs.
المؤلفون: Vieira HH; Hydrobiologický ústav, Biologické cenrum AV ČR, v.v.i, .České Budějovice, Czechia.; Post-graduation Program in Ecology and Natural Resources (PPGERN - CCBS), Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil., Bagatini IL; Laboratory of Phycology, Department of Botany, Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil., de Moraes GP; Post-graduation Program in Ecology and Natural Resources (PPGERN - CCBS), Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil.; Laboratory of Phycology, Department of Botany, Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil., Freitas RM; Post-graduation Program in Ecology and Natural Resources (PPGERN - CCBS), Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil.; Laboratory of Microbial Processes and Biodiversity, Department of Hydrobiology, Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil., Sarmento H; Laboratory of Microbial Processes and Biodiversity, Department of Hydrobiology, Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil., Bertilsson S; Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden., Vieira AAH; Laboratory of Phycology, Department of Botany, Universidade Federal de São Carlos, São Carlos, São Paulo, Brazil.
المصدر: Frontiers in microbiology [Front Microbiol] 2022 Aug 18; Vol. 13, pp. 831716. Date of Electronic Publication: 2022 Aug 18 (Print Publication: 2022).
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Frontiers Research Foundation Country of Publication: Switzerland NLM ID: 101548977 Publication Model: eCollection Cited Medium: Print ISSN: 1664-302X (Print) Linking ISSN: 1664302X NLM ISO Abbreviation: Front Microbiol Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Lausanne : Frontiers Research Foundation
مستخلص: The turnover of microbial communities across space is dictated by local and regional factors. Locally, selection shapes community assembly through biological interactions between organisms and the environment, while regional factors influence microbial dispersion patterns. Methods used to disentangle the effects of local and regional factors typically do not aim to identify ecological processes underlying the turnover. In this paper, we identified and quantified these processes for three operational microbial subcommunities (cyanobacteria, particle-attached, and free-living bacteria) from a tropical cascade of freshwater reservoirs with decreasing productivity, over two markedly different dry and rainy seasons. We hypothesized that during the dry season communities would mainly be controlled by selection shaped by the higher environmental heterogeneity that results from low hydrological flow and connectivity between reservoirs. We expected highly similar communities shaped by dispersal and a more homogenized environment during the rainy season, enhanced by increased flow rates. Even if metacommunities were largely controlled by regional events in both periods, the selection had more influence on free-living communities during the dry period, possibly related to elevated dissolved organic carbon concentration, while drift as a purely stochastic factor, had more influence on cyanobacterial communities. Each subcommunity had distinct patterns of turnover along the cascade related to diversity (Cyanobacteria), lifestyle and size (Free-living), and spatial dynamics (particle-attached).
Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
(Copyright © 2022 Vieira, Bagatini, de Moraes, Freitas, Sarmento, Bertilsson and Vieira.)
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فهرسة مساهمة: Keywords: ecological processes; microbial dispersion; microbial turnover; regional factors; tropical reservoirs
تواريخ الأحداث: Date Created: 20220905 Latest Revision: 20240903
رمز التحديث: 20240903
مُعرف محوري في PubMed: PMC9434106
DOI: 10.3389/fmicb.2022.831716
PMID: 36060758
قاعدة البيانات: MEDLINE
الوصف
تدمد:1664-302X
DOI:10.3389/fmicb.2022.831716