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Identification of novel species of marine magnetotactic bacteria affiliated with Nitrospirae phylum
Qian, Xin-Xin1,2; Liu, Jia2,3,5; Menguy, Nicolas2,4; Li, Jinhua2,5; Alberto, Francois1,2; Teng, Zhaojie3; Xiao, Tian2,3; Zhang, Wenyan2,3; Wu, Long-Fei1,2
Corresponding AuthorZhang, Wenyan( ; Wu, Long-Fei(
AbstractMagnetotactic bacteria (MTB) are a group of Gram-negative bacteria characterized by synthesizing magnetosomes and swimming along geomagnetic field lines. Phylogenetically, they belong to different taxonomic lineages including Proteobacteria, Nitrospirae, Omnitrophica, Latescibacteria and Planctomycetes phyla on the phylogenetic tree. To date, six Nitrospirae MTB phylotypes have been identified from freshwater or low-salinity environments and described in the literature. Here, we report the identification of two Nitrospirae MTB phylotypes collected, for the first time, from the marine environment. Both have a spherical morphology with a cell size of similar to 5 mu M and similar motility but are different colours (black-brown and ivory-white) under the optic microscope. They synthesized bullet-shaped iron-oxide magnetosomes that were arranged in multiple bundles of chains. Moreover, the cytoplasm of the black-brown Nitrospirae MTB contained sulphur inclusions that conferred on cells a rough, granular appearance. Phylogenetic analysis based on their 16S rRNA gene sequences revealed that they are two novel species and cluster with the previously reported MTB affiliated with the phylum Nitrospirae, thus extending the distribution of Nitrospirae MTB from freshwater to the marine environment.
Indexed BySCI
Funding ProjectChinese Scholarship Council ; NSFC[41776131] ; NSFC[U1706208] ; NSFC[41522402] ; National Key R&D Program of China[2016YFC0302502_02] ; National Key R&D Program of China[2018YFC0309904] ; Strategic Priority Research Program[XDB06010203] ; Excellence Initiative of Aix-Marseille University - A*Midex, a French Investissements d'Avenir' programme ; CNRS
WOS Research AreaEnvironmental Sciences & Ecology ; Microbiology
WOS SubjectEnvironmental Sciences ; Microbiology
WOS IDWOS:000468000600005
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorZhang, Wenyan; Wu, Long-Fei
Affiliation1.Aix Marseille Univ, CNRS, LCB, F-13402 Marseille, France
2.CAS, CNRS, Int Associated Lab Evolut & Dev Magnetotact Multi, F-13402 Marseille, France
3.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Shandong, Peoples R China
4.Sorbonne Univ, CNRS, UMR 7590, Inst Mineral Phys Mat & Cosmochim, F-75005 Paris, France
5.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Qian, Xin-Xin,Liu, Jia,Menguy, Nicolas,et al. Identification of novel species of marine magnetotactic bacteria affiliated with Nitrospirae phylum[J]. ENVIRONMENTAL MICROBIOLOGY REPORTS,2019,11(3):330-337.
APA Qian, Xin-Xin.,Liu, Jia.,Menguy, Nicolas.,Li, Jinhua.,Alberto, Francois.,...&Wu, Long-Fei.(2019).Identification of novel species of marine magnetotactic bacteria affiliated with Nitrospirae phylum.ENVIRONMENTAL MICROBIOLOGY REPORTS,11(3),330-337.
MLA Qian, Xin-Xin,et al."Identification of novel species of marine magnetotactic bacteria affiliated with Nitrospirae phylum".ENVIRONMENTAL MICROBIOLOGY REPORTS 11.3(2019):330-337.
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