Distinct influence of trimethylamine N-oxide and high hydrostatic pressure on community structure and culturable deep-sea bacteria
Zhang Chan1,2,3,4; Zhang Wei-jia1,3,4; Yin Qunjian1,2,3,4; Li Xuegong1,3,4; Qi Xiaoqing1,3,4; Wu Long-Fei3,4,5
2019-11-27
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Volume1Issue:1Pages:14
Abstract

Trimethylamine N-oxide (TMAO) is one of the most important nutrients for bacteria in the deep-sea environment and is capable of improving pressure tolerance of certain bacterial strains. To assess the impact of TMAO on marine microorganisms, especially those dwelling in the deep-sea environment, we analyzed the bacterial community structure of deep-sea sediments after incubated under different conditions. Enrichments at 50 MPa and 0.1 MPa revealed that TMAO imposed a greater influence on bacterial diversity and community composition at atmospheric pressure condition than that under high hydrostatic pressure (HHP). We found that pressure was the primary factor that determines the bacterial community. Meanwhile, in total, 238 bacterial strains were isolated from the enrichments, including 112 strains affiliated to 16 genera of 4 phyla from the Yap Trench and 126 strains affiliated to 11 genera of 2 phyla from the Mariana Trench. Treatment of HHP reduced both abundance and diversity of isolates, while the presence of TMAO mainly affected the diversity of isolates obtained. In addition, certain genera were isolated only when TMAO was supplemented. Taken together, we demonstrated that pressure primarily defines the bacterial community and culturable bacterial isolates. Furthermore, we showed for the first time that TMAO had distinct influences on bacterial community depending on the pressure condition. The results enriched the understanding of the significance of TMAO in bacterial adaptation to the deep-sea environment.

Keyworddeep-sea bacteria high hydrostatic pressure (HHP) trimethylamine N-oxide (TMAO) community structure
DOI10.1007/s00343-019-9076-y
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China ; Sanya Municipal ; Centre National de la Recherche Scientifique
Language英语
Funding ProjectNational Natural Science Foundation of China[91751108] ; National Natural Science Foundation of China[91751202] ; National Natural Science Foundation of China[41806174] ; National Natural Science Foundation of China[41506147] ; National Key Research and Development Program of China[2016YFC0302502] ; National Key Research and Development Program of China[2016YFC0304905] ; National Key Research and Development Program of China[2018YFC0309904] ; Sanya Municipal[2018YD01] ; Sanya Municipal[2018YD02] ; Centre National de la Recherche Scientifique
WOS KeywordSP-NOV. ; RESPIRATORY SYSTEM ; TMAO ; PROTEINS ; REVEALS ; LIFE
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000500379800002
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.idsse.ac.cn/handle/183446/7348
Collection深海科学研究部_深海生物学研究室_深海微生物细胞生物学研究组
Corresponding AuthorZhang Wei-jia
Affiliation1.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Lab Deep Sea Microbial Cell Biol, Sanya 572000, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.CNRS Marseille, Int Associated Lab Evolut & Dev Magnetotact Multi, Marseille, France
4.CAS Sanya, Sanya, Peoples R China
5.Aix Marseille Univ, LCB, CNRS, F-13402 Marseille, France
Recommended Citation
GB/T 7714
Zhang Chan,Zhang Wei-jia,Yin Qunjian,et al. Distinct influence of trimethylamine N-oxide and high hydrostatic pressure on community structure and culturable deep-sea bacteria[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2019,1(1):14.
APA Zhang Chan,Zhang Wei-jia,Yin Qunjian,Li Xuegong,Qi Xiaoqing,&Wu Long-Fei.(2019).Distinct influence of trimethylamine N-oxide and high hydrostatic pressure on community structure and culturable deep-sea bacteria.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,1(1),14.
MLA Zhang Chan,et al."Distinct influence of trimethylamine N-oxide and high hydrostatic pressure on community structure and culturable deep-sea bacteria".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 1.1(2019):14.
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