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A novel species of ellipsoidal multicellular magnetotactic prokaryotes from Lake Yuehu in China.

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Title: A novel species of ellipsoidal multicellular magnetotactic prokaryotes from Lake Yuehu in China.
Authors: Chen, Yi‐Ran1,2, Zhang, Rui1,2, Du, Hai‐Jian1,2, Pan, Hong‐Miao1,3, Zhang, Wen‐Yan1,3, Zhou, Ke4, Li, Jin‐Hua5, Xiao, Tian1,3, Wu, Long‐Fei3,6
Source: Environmental Microbiology. Mar2015, Vol. 17 Issue 3, p637-647. 11p.
Subjects: Magnetotactic bacteria, Prokaryotes, Magnetosomes, Motility of microorganisms, Gene amplification
Geographic Terms: China
Abstract: Two morphotypes of multicellular magnetotactic prokaryotes ( MMPs) have been identified: spherical (several species) and ellipsoidal (previously one species). Here, we report novel ellipsoidal MMPs that are ∼ 10 × 8 μm in size, and composed of about 86 cells arranged in six to eight interlaced circles. Each MMP was composed of cells that synthesized either bullet-shaped magnetite magnetosomes alone, or both bullet-shaped magnetite and rectangular greigite magnetosomes. They showed north-seeking magnetotaxis, ping-pong motility and negative phototaxis at a velocity up to 300 μm s−1. During reproduction, they divided along either their long- or short-body axes. For genetic analysis, we sorted the ellipsoidal MMPs with micromanipulation and amplified their genomes using multiple displacement amplification. We sequenced the 16 S r RNA gene and found 6.9% sequence divergence from that of ellipsoidal MMPs, Candidatus Magnetananas tsingtaoensis and > 8.3% divergence from those of spherical MMPs. Therefore, the novel MMPs belong to different species and genus compared with the currently known ellipsoidal and spherical MMPs respectively. The novel MMPs display a morphological cell differentiation, implying a potential division of labour. These findings provide new insights into the diversity of MMPs in general, and contribute to our understanding of the evolution of multicellularity among prokaryotes. [ABSTRACT FROM AUTHOR]
Copyright of Environmental Microbiology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 101588935
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  Data: A novel species of ellipsoidal multicellular magnetotactic prokaryotes from Lake Yuehu in China.
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  Data: <searchLink fieldCode="AR" term="%22Chen%2C+Yi‐Ran%22">Chen, Yi‐Ran</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Rui%22">Zhang, Rui</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Du%2C+Hai‐Jian%22">Du, Hai‐Jian</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Pan%2C+Hong‐Miao%22">Pan, Hong‐Miao</searchLink><relatesTo>1,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Wen‐Yan%22">Zhang, Wen‐Yan</searchLink><relatesTo>1,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Ke%22">Zhou, Ke</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Li%2C+Jin‐Hua%22">Li, Jin‐Hua</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Xiao%2C+Tian%22">Xiao, Tian</searchLink><relatesTo>1,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Wu%2C+Long‐Fei%22">Wu, Long‐Fei</searchLink><relatesTo>3,6</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Microbiology%22">Environmental Microbiology</searchLink>. Mar2015, Vol. 17 Issue 3, p637-647. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Magnetotactic+bacteria%22">Magnetotactic bacteria</searchLink><br /><searchLink fieldCode="DE" term="%22Prokaryotes%22">Prokaryotes</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetosomes%22">Magnetosomes</searchLink><br /><searchLink fieldCode="DE" term="%22Motility+of+microorganisms%22">Motility of microorganisms</searchLink><br /><searchLink fieldCode="DE" term="%22Gene+amplification%22">Gene amplification</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22China%22">China</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Two morphotypes of multicellular magnetotactic prokaryotes ( MMPs) have been identified: spherical (several species) and ellipsoidal (previously one species). Here, we report novel ellipsoidal MMPs that are ∼ 10 × 8 μm in size, and composed of about 86 cells arranged in six to eight interlaced circles. Each MMP was composed of cells that synthesized either bullet-shaped magnetite magnetosomes alone, or both bullet-shaped magnetite and rectangular greigite magnetosomes. They showed north-seeking magnetotaxis, ping-pong motility and negative phototaxis at a velocity up to 300 μm s−1. During reproduction, they divided along either their long- or short-body axes. For genetic analysis, we sorted the ellipsoidal MMPs with micromanipulation and amplified their genomes using multiple displacement amplification. We sequenced the 16 S r RNA gene and found 6.9% sequence divergence from that of ellipsoidal MMPs, Candidatus Magnetananas tsingtaoensis and > 8.3% divergence from those of spherical MMPs. Therefore, the novel MMPs belong to different species and genus compared with the currently known ellipsoidal and spherical MMPs respectively. The novel MMPs display a morphological cell differentiation, implying a potential division of labour. These findings provide new insights into the diversity of MMPs in general, and contribute to our understanding of the evolution of multicellularity among prokaryotes. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Environmental Microbiology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1111/1462-2920.12480
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 11
        StartPage: 637
    Subjects:
      – SubjectFull: Magnetotactic bacteria
        Type: general
      – SubjectFull: Prokaryotes
        Type: general
      – SubjectFull: Magnetosomes
        Type: general
      – SubjectFull: Motility of microorganisms
        Type: general
      – SubjectFull: Gene amplification
        Type: general
      – SubjectFull: China
        Type: general
    Titles:
      – TitleFull: A novel species of ellipsoidal multicellular magnetotactic prokaryotes from Lake Yuehu in China.
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            NameFull: Chen, Yi‐Ran
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            NameFull: Zhang, Rui
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            NameFull: Du, Hai‐Jian
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            – D: 01
              M: 03
              Text: Mar2015
              Type: published
              Y: 2015
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