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Characterization of dominant giant rod-shaped magnetotactic bacteria from a low tide zone of the China Sea
Teng Zhaojie1,2; Zhang Wenyan2; Chen Yiran2; Pan Hongmiao2; Xiao Tian2; Wu Long-Fei
2018-05-01
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Volume36Issue:3Pages:783-794
SubtypeArticle
AbstractMagnetotactic bacteria are a group of Gram-negative bacteria that synthesize magnetic crystals, enabling them to navigate in relation to magnetic field lines. Morphologies of magnetotactic bacteria include spirillum, coccoid, rod, vibrio, and multicellular morphotypes. The coccid shape is generally the most abundant morphotype among magnetotactic bacteria. Here we describe a species of giant rod-shaped magnetotactic bacteria (designated QR-1) collected from sediment in the low tide zone of Huiquan Bay (Yellow Sea, China). This morphotype accounted for 90% of the magnetotactic bacteria collected, and the only taxonomic group which was detected in the sampling site. Microscopy analysis revealed that QR-1 cells averaged (6.71 +/- 1.03)x(1.54 +/- 0.20) mu m in size, and contained in each cell 42-146 magnetosomes that are arranged in a bundle formed one to four chains along the long axis of the cell. The QR-1 cells displayed axial magnetotaxis with an average velocity of 70 +/- 28 mu m/s. Transmission electron microscopy based analysis showed that QR-1 cells had two tufts of flagella at each end. Phylogenetic analysis of the 16S rRNA genes revealed that QR-1 together with three other rod-shaped uncultivated magnetotactic bacteria are clustered into a deep branch of Alphaproteobacteria.
KeywordAlphaproteobacteria flagella motility rod-shaped magnetotactic bacteria
Subject AreaMarine & Freshwater Biology ; Oceanography
DOI10.1007/s00343-018-7072-2
Indexed BySCIE
Language英语
WOS Research AreaLimnology ; Oceanography
WOS IDWOS:000438791100017
PublisherSCIENCE PRESS
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/157572
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266000, Peoples R China
4.Aix Marseille Univ, Inst Microbiol Mediterranee, Lab Chim Bacterienne, CNRS,UMR7283, Marseille, France
5.CNRS, Lab Int Associe Biomineralisat & Nanostruct, Marseille, France
First Author AffilicationKey Laboratory of Marine Ecology & Environmental Sciences, CAS
Recommended Citation
GB/T 7714
Teng Zhaojie,Zhang Wenyan,Chen Yiran,et al. Characterization of dominant giant rod-shaped magnetotactic bacteria from a low tide zone of the China Sea[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2018,36(3):783-794.
APA Teng Zhaojie,Zhang Wenyan,Chen Yiran,Pan Hongmiao,Xiao Tian,&Wu Long-Fei.(2018).Characterization of dominant giant rod-shaped magnetotactic bacteria from a low tide zone of the China Sea.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,36(3),783-794.
MLA Teng Zhaojie,et al."Characterization of dominant giant rod-shaped magnetotactic bacteria from a low tide zone of the China Sea".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 36.3(2018):783-794.
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