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ENDOLITHIC COMMUNITIES OF DIFFERENT TYPES OF ROCKS IN THE NORWEGIAN HIGH ARCTIC

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Title
ENDOLITHIC COMMUNITIES OF DIFFERENT TYPES OF ROCKS IN THE NORWEGIAN HIGH ARCTIC
Other Titles
스발바르제도의 암석 종류에 따른 암석미생물 군집 분석
Authors
Choe, Yong-Hoe
Lee, Eun Ju
Lee, Mi Jung
Woo, Jusun
Kim, Mincheol
Lee, Yoo Kyung
Keywords
미생물 군집; 스발바르; 암석미생물
Issue Date
2016
Citation
Choe, Yong-Hoe, et al. 2016. ENDOLITHIC COMMUNITIES OF DIFFERENT TYPES OF ROCKS IN THE NORWEGIAN HIGH ARCTIC. Goldschmidt Conference 2016. 요코하마. 2016.06.27~2016.07.01.
Abstract
Introduction and methods The high Arctic has long been considered a suitable terrestrial analogue to Mars in many geological and astrobiological aspects [1]. We used a combination of pyrosequencing of bacterial 16S rRNA gene and statistical methods to conduct a survey of the composition of microbial communities in rocks from Svalvard. This study investigates the correlation between major elements of rocks and endolithic colonization in the harsh Arctic environment. Results and Discussion The results of the Mantel test showed that the bacterial community structure was significantly linked to some of the rock element factors (Table 1). When data for each phylum were analyzed separately, the Actinobacteria, Bacteroidetes, and Proteobacteria exhibited a significant positive relationship with Al and K(except for Proteobacteria), Fe, Mg, P, and Ti, while, Chloroflexi was significant positively linked with only P. Therefore, the endolithic bacterial community at the phylum level might be affected by different rock element factors. All kinds of microbes play a remarkably diverse set of geoactive roles in the biosphere [2]. This study demonstrates the interaction of rock-microbes with metals and minerals, as well as their importance in geological and environmental processes
URI
http://repository.kopri.re.kr/handle/201206/7165
Conference Name
Goldschmidt Conference 2016
Conference Place
요코하마
Conference Date
2016.06.27~2016.07.01
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