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Zonation of Microbial Communities by a Hydrothermal Mound in the Atlantis II Deep (the Red Sea).

التفاصيل البيبلوغرافية
العنوان: Zonation of Microbial Communities by a Hydrothermal Mound in the Atlantis II Deep (the Red Sea).
المؤلفون: Yong Wang, Jiang Tao Li, Li Sheng He, Bo Yang, Zhao Ming Gao, Hui Luo Cao, Zenon Batang, Abdulaziz Al-Suwailem, Pei-Yuan Qian
المصدر: PLoS ONE, Vol 10, Iss 10, p e0140766 (2015)
بيانات النشر: Public Library of Science (PLoS), 2015.
سنة النشر: 2015
المجموعة: LCC:Medicine
LCC:Science
مصطلحات موضوعية: Medicine, Science
الوصف: In deep-sea geothermal rift zones, the dispersal of hydrothermal fluids of moderately-high temperatures typically forms subseafloor mounds. Major mineral components of the crust covering the mound are barite and metal sulfides. As a result of the continental rifting along the Red Sea, metalliferous sediments accumulate on the seafloor of the Atlantis II Deep. In the present study, a barite crust was identified in a sediment core from the Atlantis II Deep, indicating the formation of a hydrothermal mound at the sampling site. Here, we examined how such a dense barite crust could affect the local environment and the distribution of microbial inhabitants. Our results demonstrate distinctive features of mineral components and microbial communities in the sediment layers separated by the barite crust. Within the mound, archaea accounted for 65% of the community. In contrast, the sediments above the barite boundary were overwhelmed by bacteria. The composition of microbial communities under the mound was similar to that in the sediments of the nearby Discovery Deep and marine cold seeps. This work reveals the zonation of microbial communities after the formation of the hydrothermal mound in the subsurface sediments of the rift basin.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 1932-6203
Relation: http://europepmc.org/articles/PMC4613831?pdf=render; https://doaj.org/toc/1932-6203
DOI: 10.1371/journal.pone.0140766
URL الوصول: https://doaj.org/article/d276d86534074d73b2b95ea87c113c50
رقم الأكسشن: edsdoj.276d86534074d73b2b95ea87c113c50
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:19326203
DOI:10.1371/journal.pone.0140766