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dc.contributor.authorTakuro Nunouraen_US
dc.contributor.authorManabu Nishizawaen_US
dc.contributor.authorMiho Hiraien_US
dc.contributor.authorShigeru Shimamuraen_US
dc.contributor.authorPhurt Harnvoravongchaien_US
dc.contributor.authorOsamu Koideen_US
dc.contributor.authorYuki Moronoen_US
dc.contributor.authorToshiaki Fukuien_US
dc.contributor.authorFumio Inagakien_US
dc.contributor.authorJunichi Miyazakien_US
dc.contributor.authorYoshihiro Takakien_US
dc.contributor.authorKen Takaien_US
dc.contributor.otherTokyo Institute of Technologyen_US
dc.contributor.otherMahidol Universityen_US
dc.contributor.otherJapan Agency for Marine-Earth Science and Technologyen_US
dc.contributor.otherJapan Agency for Marine-Earth Science Technology (JAMSTEC)en_US
dc.identifier.citationMicrobes and Environments. Vol.33, No.2 (2018), 186-194en_US
dc.description.abstract© 2018, Japanese Society of Microbial Ecology. All rights reserved. The Challenger Deep is the deepest ocean on Earth. The present study investigated microbial community structures and geochemical cycles associated with the trench bottom sediments of the Challenger Deep, the Mariana Trench. The SSU rRNA gene communities found in trench bottom sediments were dominated by the bacteria Chloroflexi (SAR202 and other lineages), Bacteroidetes, Planctomycetes, “Ca. Marinimicrobia” (SAR406), and Gemmatimonadetes and by the archaeal α subgroup of MGI Thaumarchaeota and “Ca. Woesearchaeota” (Deep-sea Hydrothermal Vent Euryarchaeotic Group 6). The SSU rRNA gene sequencing analysis indicated that the dominant populations of the thaumarchaeal α group in hadal water and sediments were similar to each other at the species or genus level. In addition, the co-occurrence of nitrification and denitrification was revealed by the combination of pore water geochemical analyses and quantitative PCR for nitrifiers.en_US
dc.rightsMahidol Universityen_US
dc.subjectAgricultural and Biological Sciencesen_US
dc.titleMicrobial diversity in sediments from the bottom of the challenger deep, the mariana trenchen_US
Appears in Collections:Scopus 2018

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