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A novel bacterial thiosulfate oxidation pathway provides a new clue about the formation of zero-valent sulfur in deep sea
Zhang, Jing1,2,3,4,5; Liu, Rui1,2,3,5; Xi, Shichuan2,4,5,6; Cai, Ruining1,2,3,4,5; Zhang, Xin2,5,6; Sun, Chaomin1,2,3,5
2020-05-26
Source PublicationISME JOURNAL
ISSN1751-7362
Pages14
Corresponding AuthorSun, Chaomin(sunchaomin@qdio.ac.cn)
AbstractZero-valent sulfur (ZVS) has been shown to be a major sulfur intermediate in the deep-sea cold seep of the South China Sea based on our previous work, however, the microbial contribution to the formation of ZVS in cold seep has remained unclear. Here, we describe a novel thiosulfate oxidation pathway discovered in the deep-sea cold seep bacteriumErythrobacter flavus21-3, which provides a new clue about the formation of ZVS. Electronic microscopy, energy-dispersive, and Raman spectra were used to confirm thatE. flavus21-3 effectively converts thiosulfate to ZVS. We next used a combined proteomic and genetic method to identify thiosulfate dehydrogenase (TsdA) and thiosulfohydrolase (SoxB) playing key roles in the conversion of thiosulfate to ZVS. Stoichiometric results of different sulfur intermediates further clarify the function of TsdA in converting thiosulfate to tetrathionate (-O3S-S-S-SO3-), SoxB in liberating sulfone from tetrathionate to form ZVS and sulfur dioxygenases (SdoA/SdoB) in oxidizing ZVS to sulfite under some conditions. Notably, homologs of TsdA, SoxB, and SdoA/SdoB widely exist across the bacteria including inErythrobacterspecies derived from different environments. This strongly indicates that this novel thiosulfate oxidation pathway might be frequently used by microbes and plays an important role in the biogeochemical sulfur cycle in nature.
DOI10.1038/s41396-020-0684-5
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA22050301] ; China Ocean Mineral Resources R&D Association Grant[DY135-B2-14] ; National Key R and D Program of China[2018YFC0310800] ; Taishan Young Scholar Program of Shandong Province[tsqn20161051] ; Qingdao Innovation Leadership Program[18-1-2-7-zhc] ; CAS Interdisciplinary Innovation Team[JCTD-2018-12] ; Open Research Project of National Major Science & Technology Infrastructure (RV KEXUE)[NMSTI-KEXUE2017K01]
WOS Research AreaEnvironmental Sciences & Ecology ; Microbiology
WOS SubjectEcology ; Microbiology
WOS IDWOS:000539443900002
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167712
Collection实验海洋生物学重点实验室
Corresponding AuthorSun, Chaomin
Affiliation1.Chinese Acad Sci, CAS Key Lab Expt Marine Biol, Inst Oceanol, Qingdao, Peoples R China
2.Chinese Acad Sci, Ctr Deep Sea Res, Inst Oceanol, Qingdao, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China
4.Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China
5.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China
6.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Geol & Environm, Qingdao, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Jing,Liu, Rui,Xi, Shichuan,et al. A novel bacterial thiosulfate oxidation pathway provides a new clue about the formation of zero-valent sulfur in deep sea[J]. ISME JOURNAL,2020:14.
APA Zhang, Jing,Liu, Rui,Xi, Shichuan,Cai, Ruining,Zhang, Xin,&Sun, Chaomin.(2020).A novel bacterial thiosulfate oxidation pathway provides a new clue about the formation of zero-valent sulfur in deep sea.ISME JOURNAL,14.
MLA Zhang, Jing,et al."A novel bacterial thiosulfate oxidation pathway provides a new clue about the formation of zero-valent sulfur in deep sea".ISME JOURNAL (2020):14.
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