دورية أكاديمية
أعرض في EDS

Robust Archaeal and Bacterial Communities Inhabit Shallow Subsurface Sediments of the Bonneville Salt Flats.

التفاصيل البيبلوغرافية
العنوان: Robust Archaeal and Bacterial Communities Inhabit Shallow Subsurface Sediments of the Bonneville Salt Flats.
المؤلفون: McGonigle JM; School of Biological Sciences, University of Utah, Salt Lake City, Utah, USA j.mcgonigle@utah.edu., Bernau JA; Department of Geology and Geophysics, University of Utah, Salt Lake City, Utah, USA., Bowen BB; Department of Geology and Geophysics, University of Utah, Salt Lake City, Utah, USA., Brazelton WJ; School of Biological Sciences, University of Utah, Salt Lake City, Utah, USA.
المصدر: MSphere [mSphere] 2019 Aug 28; Vol. 4 (4). Date of Electronic Publication: 2019 Aug 28.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: American Society for Microbiology Country of Publication: United States NLM ID: 101674533 Publication Model: Electronic Cited Medium: Internet ISSN: 2379-5042 (Electronic) Linking ISSN: 23795042 NLM ISO Abbreviation: mSphere Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Washington, DC : American Society for Microbiology, [2015]-
مواضيع طبية MeSH: Genetic Variation* , Microbiota* , Phylogeny*, Archaea/*classification , Bacteria/*classification, DNA, Bacterial/genetics ; Ecosystem ; Lakes/chemistry ; Lakes/microbiology ; Nevada ; RNA, Ribosomal, 16S/genetics ; Salt Tolerance ; Utah
مستخلص: We report the first census of natural microbial communities of the Bonneville Salt Flats (BSF), a perennial salt pan at the Utah-Nevada border. Environmental DNA sequencing of archaeal and bacterial 16S rRNA genes was conducted on samples from multiple evaporite sediment layers collected from the upper 30 cm of the surface salt crust. Our results show that at the time of sampling (September 2016), BSF hosted a robust microbial community dominated by diverse halobacteria and Salinibacter species. Sequences identical to Geitlerinema sp. strain PCC 9228, an anoxygenic cyanobacterium that uses sulfide as the electron donor for photosynthesis, are also abundant in many samples. We identified taxonomic groups enriched in each layer of the salt crust sediment and revealed that the upper gypsum sediment layer found immediately under the uppermost surface halite contains a robust microbial community. In these sediments, we found an increased presence of Thermoplasmatales , Hadesarchaeota , Nanoarchaeaeota , Acetothermia , Desulfovermiculus , Halanaerobiales , Bacteroidetes , and Rhodovibrio This study provides insight into the diversity, spatial heterogeneity, and geologic context of a surprisingly complex microbial ecosystem within this macroscopically sterile landscape. IMPORTANCE Pleistocene Lake Bonneville, which covered a third of Utah, desiccated approximately 13,000 years ago, leaving behind the Bonneville Salt Flats (BSF) in the Utah West Desert. The potash salts that saturate BSF basin are extracted and sold as an additive for agricultural fertilizers. The salt crust is a well-known recreational and economic commodity, but the biological interactions with the salt crust have not been studied. This study is the first geospatial analysis of microbially diverse populations at this site using cultivation-independent environmental DNA sequencing methods. Identification of the microbes present within this unique, dynamic, and valued sedimentary evaporite environment is an important step toward understanding the potential consequences of perturbations to the microbial ecology on the surrounding landscape and ecosystem.
(Copyright © 2019 McGonigle et al.)
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فهرسة مساهمة: Keywords: astrobiology; extremophiles; halophiles; hypersaline environments
المشرفين على المادة: 0 (DNA, Bacterial)
0 (RNA, Ribosomal, 16S)
تواريخ الأحداث: Date Created: 20190830 Date Completed: 20200220 Latest Revision: 20240724
رمز التحديث: 20240725
مُعرف محوري في PubMed: PMC6714890
DOI: 10.1128/mSphere.00378-19
PMID: 31462415
قاعدة البيانات: MEDLINE
الوصف
تدمد:2379-5042
DOI:10.1128/mSphere.00378-19