Microbial Diversity in Deep Subsurface of South Pacific Gyre

Title
Microbial Diversity in Deep Subsurface of South Pacific Gyre
Author(s)
권개경; 박미정; 김성한; 조혜연; 목진숙; 현정호; 이정현
KIOST Author(s)
Kwon, Kae Kyoung(권개경)Park, Mi-Jeong(박미정)Kim, Sung Han(김성한)Lee, Jung Hyun(이정현)
Publication Year
2018-10-03
Abstract
Microbial life in deep marine subsurface has not well understood. Due by low surface productivity and deep water depth precipitate from upper water column to the sediment surface in South Pacific Gyre (SPG) was very low and make harsh environments for microorganisms. In autumn of 2010 several sediment cores including longer than a hundred meter were obtained from SGP via IODP (Integrated Ocean Drilling Program) Expedition 329 and basic geological, geochemical, and microbiological studies had been conducted. Here, we analyzed microbial diversity of 3 sediment cores (U1365, U1370, and U1371) from SGP based on different geochemical characteristics (U1371 received large amounts of organic precipitates compared to others and consequently anoxic from 2.5 m-bsf). Briefly, members of Chloroflexi, especially Dehalococcoidiaceae were predominant in organic rich or anoxic area of sediments in the sediment environment of South Pacific Gyre.onments for microorganisms. In autumn of 2010 several sediment cores including longer than a hundred meter were obtained from SGP via IODP (Integrated Ocean Drilling Program) Expedition 329 and basic geological, geochemical, and microbiological studies had been conducted. Here, we analyzed microbial diversity of 3 sediment cores (U1365, U1370, and U1371) from SGP based on different geochemical characteristics (U1371 received large amounts of organic precipitates compared to others and consequently anoxic from 2.5 m-bsf). Briefly, members of Chloroflexi, especially Dehalococcoidiaceae were predominant in organic rich or anoxic area of sediments in the sediment environment of South Pacific Gyre.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/23111
Bibliographic Citation
6th International Deep Sea Microbiology Workshop, pp.14, 2018
Publisher
한국해양과학기술원
Type
Conference
Language
English
Publisher
한국해양과학기술원
Related Researcher
Research Interests

marine biotechnology,molecular microbiology,해양생명공학,분자미생물학

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