دورية أكاديمية
أعرض في EDS

Interspecies interactions determine growth dynamics of biopolymer-degrading populations in microbial communities.

التفاصيل البيبلوغرافية
العنوان: Interspecies interactions determine growth dynamics of biopolymer-degrading populations in microbial communities.
المؤلفون: D'Souza G; Microbial Systems Ecology Group, Department of Environmental Systems Sciences, Institute of Biogeochemistry and Pollutant Dynamics, ETH-Zurich, Zurich 8006, Switzerland.; Department of Environmental Microbiology, Eawag: Swiss Federal Institute of Aquatic Sciences, Duebendorf 8600, Switzerland., Schwartzman J; Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139., Keegstra J; Department of Civil, Environmental and Geomatic Engineering, Institute of Environmental Engineering, ETH Zurich, Zurich 8093, Switzerland., Schreier JE; Department of Marine Sciences, University of Georgia, Athens, GA 30602., Daniels M; Microbial Systems Ecology Group, Department of Environmental Systems Sciences, Institute of Biogeochemistry and Pollutant Dynamics, ETH-Zurich, Zurich 8006, Switzerland.; Department of Environmental Microbiology, Eawag: Swiss Federal Institute of Aquatic Sciences, Duebendorf 8600, Switzerland., Cordero OX; Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139., Stocker R; Department of Civil, Environmental and Geomatic Engineering, Institute of Environmental Engineering, ETH Zurich, Zurich 8093, Switzerland., Ackermann M; Microbial Systems Ecology Group, Department of Environmental Systems Sciences, Institute of Biogeochemistry and Pollutant Dynamics, ETH-Zurich, Zurich 8006, Switzerland.; Department of Environmental Microbiology, Eawag: Swiss Federal Institute of Aquatic Sciences, Duebendorf 8600, Switzerland.; Environmental Engineering Institute, School of Architecture, Civil and Environmental Engineering, École polytechnique fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
المصدر: Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 2023 Oct 31; Vol. 120 (44), pp. e2305198120. Date of Electronic Publication: 2023 Oct 25.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: National Academy of Sciences Country of Publication: United States NLM ID: 7505876 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1091-6490 (Electronic) Linking ISSN: 00278424 NLM ISO Abbreviation: Proc Natl Acad Sci U S A Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Washington, DC : National Academy of Sciences
مواضيع طبية MeSH: Microbiota*, Biopolymers ; Social Behavior ; Carbon ; Microbial Interactions
مستخلص: Microbial communities perform essential ecosystem functions such as the remineralization of organic carbon that exists as biopolymers. The first step in mineralization is performed by biopolymer degraders, which harbor enzymes that can break down polymers into constituent oligo- or monomeric forms. The released nutrients not only allow degraders to grow, but also promote growth of cells that either consume the degradation products, i.e., exploiters, or consume metabolites released by the degraders or exploiters, i.e., scavengers. It is currently not clear how such remineralizing communities assemble at the microscale-how interactions between the different guilds influence their growth and spatial distribution, and hence the development and dynamics of the community. Here, we address this knowledge gap by studying marine microbial communities that grow on the abundant marine biopolymer alginate. We used batch growth assays and microfluidics coupled to time-lapse microscopy to quantitatively investigate growth and spatial distribution of single cells. We found that the presence of exploiters or scavengers alters the spatial distribution of degrader cells. In general, exploiters and scavengers-which we collectively refer to as cross-feeder cells-slowed down the growth of degrader cells. In addition, coexistence with cross-feeders altered the production of the extracellular enzymes that break down polymers by degrader cells. Our findings reveal that ecological interactions by nondegrading community members have a profound impact on the functions of microbial communities that remineralize carbon biopolymers in nature.
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معلومات مُعتمدة: 542379 Simons Foundation (SF); 542383 Simons Foundation (SF); 542395 Simons Foundation (SF); FEL-37-16-1 Eidgenössische Technische Hochschule Zürich (ETH)
فهرسة مساهمة: Keywords: biopolymer degradation; community assembly; cross-feeding; dispersal; spatial organization
المشرفين على المادة: 0 (Biopolymers)
7440-44-0 (Carbon)
تواريخ الأحداث: Date Created: 20231025 Date Completed: 20231027 Latest Revision: 20240426
رمز التحديث: 20240426
مُعرف محوري في PubMed: PMC10622921
DOI: 10.1073/pnas.2305198120
PMID: 37878716
قاعدة البيانات: MEDLINE
الوصف
تدمد:1091-6490
DOI:10.1073/pnas.2305198120