Manganese uptake in marine bacteria; the novel MntX transporter is widespread in Roseobacters, Vibrios, Alteromonadales and the SAR11 and SAR116 clades
Identifieur interne : 000401 ( Pmc/Checkpoint ); précédent : 000400; suivant : 000402Manganese uptake in marine bacteria; the novel MntX transporter is widespread in Roseobacters, Vibrios, Alteromonadales and the SAR11 and SAR116 clades
Auteurs : Robert T. Green [Royaume-Uni] ; Jonathan D. Todd [Royaume-Uni] ; Andrew W B. Johnston [Royaume-Uni]Source :
- The ISME Journal [ 1751-7362 ] ; 2012.
Abstract
We showed that two very different manganese transporters occur in various important genera of marine bacteria. The ABC transporter encoded by
Url:
DOI: 10.1038/ismej.2012.140
PubMed: 23190726
PubMed Central: 3578558
Affiliations:
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<author><name sortKey="Green, Robert T" sort="Green, Robert T" uniqKey="Green R" first="Robert T" last="Green">Robert T. Green</name>
<affiliation wicri:level="1"><nlm:aff id="aff1"><institution>School of Biological Sciences, University of East Anglia, Norwich Research Park</institution>
, Norwich,<country>UK</country>
</nlm:aff>
<country xml:lang="fr">Royaume-Uni</country>
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<affiliation wicri:level="1"><nlm:aff id="aff2"><institution>Institute of Food Research, Colney Lane, Norwich Research Park</institution>
, Norwich,<country>UK</country>
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<country xml:lang="fr">Royaume-Uni</country>
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<author><name sortKey="Todd, Jonathan D" sort="Todd, Jonathan D" uniqKey="Todd J" first="Jonathan D" last="Todd">Jonathan D. Todd</name>
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, Norwich,<country>UK</country>
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<country xml:lang="fr">Royaume-Uni</country>
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<author><name sortKey="Johnston, Andrew W B" sort="Johnston, Andrew W B" uniqKey="Johnston A" first="Andrew W B" last="Johnston">Andrew W B. Johnston</name>
<affiliation wicri:level="1"><nlm:aff id="aff1"><institution>School of Biological Sciences, University of East Anglia, Norwich Research Park</institution>
, Norwich,<country>UK</country>
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<country xml:lang="fr">Royaume-Uni</country>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Manganese uptake in marine bacteria; the novel MntX transporter is widespread in Roseobacters, Vibrios, Alteromonadales and the SAR11 and SAR116 clades</title>
<author><name sortKey="Green, Robert T" sort="Green, Robert T" uniqKey="Green R" first="Robert T" last="Green">Robert T. Green</name>
<affiliation wicri:level="1"><nlm:aff id="aff1"><institution>School of Biological Sciences, University of East Anglia, Norwich Research Park</institution>
, Norwich,<country>UK</country>
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<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
<affiliation wicri:level="1"><nlm:aff id="aff2"><institution>Institute of Food Research, Colney Lane, Norwich Research Park</institution>
, Norwich,<country>UK</country>
</nlm:aff>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
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<author><name sortKey="Todd, Jonathan D" sort="Todd, Jonathan D" uniqKey="Todd J" first="Jonathan D" last="Todd">Jonathan D. Todd</name>
<affiliation wicri:level="1"><nlm:aff id="aff1"><institution>School of Biological Sciences, University of East Anglia, Norwich Research Park</institution>
, Norwich,<country>UK</country>
</nlm:aff>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<author><name sortKey="Johnston, Andrew W B" sort="Johnston, Andrew W B" uniqKey="Johnston A" first="Andrew W B" last="Johnston">Andrew W B. Johnston</name>
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, Norwich,<country>UK</country>
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<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
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<series><title level="j">The ISME Journal</title>
<idno type="ISSN">1751-7362</idno>
<idno type="eISSN">1751-7370</idno>
<imprint><date when="2012">2012</date>
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<front><div type="abstract" xml:lang="en"><p>We showed that two very different manganese transporters occur in various important genera of marine bacteria. The ABC transporter encoded by <italic>sitABCD</italic>
of the model Roseobacter-clade bacterium <italic>Ruegeria pomeroyi</italic>
DSS-3 is required for Mn<sup>2+</sup>
import and was repressed by the Mur (Manganese uptake regulator) transcriptional regulator in Mn-replete media. Most genome-sequenced Roseobacter strains contain SitABCD, which are in at least two sub-groups, judged by their amino-acid sequences. However, a few Roseobacters, for example, <italic>Roseovarius nubinhibens,</italic>
lack <italic>sitABCD</italic>
, but these contain another gene, <italic>mntX</italic>
, which encodes a predicted inner membrane polypeptide and is preceded by <italic>cis-</italic>
acting Mur-responsive MRS sequences. It was confirmed directly that <italic>mntX</italic>
of <italic>Roseovarius nubinhibens</italic>
encodes a manganese transporter that was required for growth in Mn-depleted media and that its expression was repressed by Mur in Mn-replete conditions. MntX homologues occur in the deduced proteomes of several bacterial species. Strikingly, all of these live in marine habitats, but are in distantly related taxonomic groups, in the γ- and α-proteobacteria. Notably, MntX was prevalent in nearly all strains of Vibrionales, including the important pathogen, <italic>Vibrio cholerae.</italic>
It also occurs in a strain of the hugely abundant <italic>Candidatus</italic>
Pelagibacter (SAR11), and in another populous marine bacterium, <italic>Candidatus</italic>
Puniceispirillum marinum (SAR116). Consistent with this, MntX was abundant in marine bacterial metagenomes, with one sub-type occurring in an as-yet unknown bacterial clade.</p>
</div>
</front>
</TEI>
<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">ISME J</journal-id>
<journal-id journal-id-type="iso-abbrev">ISME J</journal-id>
<journal-title-group><journal-title>The ISME Journal</journal-title>
</journal-title-group>
<issn pub-type="ppub">1751-7362</issn>
<issn pub-type="epub">1751-7370</issn>
<publisher><publisher-name>Nature Publishing Group</publisher-name>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">23190726</article-id>
<article-id pub-id-type="pmc">3578558</article-id>
<article-id pub-id-type="pii">ismej2012140</article-id>
<article-id pub-id-type="doi">10.1038/ismej.2012.140</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject>
</subj-group>
</article-categories>
<title-group><article-title>Manganese uptake in marine bacteria; the novel MntX transporter is widespread in Roseobacters, Vibrios, Alteromonadales and the SAR11 and SAR116 clades</article-title>
<alt-title alt-title-type="running">Manganese uptake systems in marine bacteria</alt-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Green</surname>
<given-names>Robert T</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
<xref ref-type="aff" rid="aff2">2</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Todd</surname>
<given-names>Jonathan D</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Johnston</surname>
<given-names>Andrew W B</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
<xref ref-type="corresp" rid="caf1">*</xref>
</contrib>
<aff id="aff1"><label>1</label>
<institution>School of Biological Sciences, University of East Anglia, Norwich Research Park</institution>
, Norwich,<country>UK</country>
</aff>
<aff id="aff2"><label>2</label>
<institution>Institute of Food Research, Colney Lane, Norwich Research Park</institution>
, Norwich,<country>UK</country>
</aff>
</contrib-group>
<author-notes><corresp id="caf1"><label>*</label>
<institution>School of Biological Sciences, University of East Anglia, Norwich Research Park</institution>
, Norwich NR4 7TJ, <country>UK</country>
. E-mail: <email>a.johnston@uea.ac.uk</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub"><month>03</month>
<year>2013</year>
</pub-date>
<pub-date pub-type="epub"><day>29</day>
<month>11</month>
<year>2012</year>
</pub-date>
<volume>7</volume>
<issue>3</issue>
<fpage>581</fpage>
<lpage>591</lpage>
<history><date date-type="received"><day>25</day>
<month>08</month>
<year>2012</year>
</date>
<date date-type="rev-recd"><day>01</day>
<month>10</month>
<year>2012</year>
</date>
<date date-type="accepted"><day>01</day>
<month>10</month>
<year>2012</year>
</date>
</history>
<permissions><copyright-statement>Copyright © 2013 International Society for Microbial Ecology</copyright-statement>
<copyright-year>2013</copyright-year>
<copyright-holder>International Society for Microbial Ecology</copyright-holder>
</permissions>
<abstract><p>We showed that two very different manganese transporters occur in various important genera of marine bacteria. The ABC transporter encoded by <italic>sitABCD</italic>
of the model Roseobacter-clade bacterium <italic>Ruegeria pomeroyi</italic>
DSS-3 is required for Mn<sup>2+</sup>
import and was repressed by the Mur (Manganese uptake regulator) transcriptional regulator in Mn-replete media. Most genome-sequenced Roseobacter strains contain SitABCD, which are in at least two sub-groups, judged by their amino-acid sequences. However, a few Roseobacters, for example, <italic>Roseovarius nubinhibens,</italic>
lack <italic>sitABCD</italic>
, but these contain another gene, <italic>mntX</italic>
, which encodes a predicted inner membrane polypeptide and is preceded by <italic>cis-</italic>
acting Mur-responsive MRS sequences. It was confirmed directly that <italic>mntX</italic>
of <italic>Roseovarius nubinhibens</italic>
encodes a manganese transporter that was required for growth in Mn-depleted media and that its expression was repressed by Mur in Mn-replete conditions. MntX homologues occur in the deduced proteomes of several bacterial species. Strikingly, all of these live in marine habitats, but are in distantly related taxonomic groups, in the γ- and α-proteobacteria. Notably, MntX was prevalent in nearly all strains of Vibrionales, including the important pathogen, <italic>Vibrio cholerae.</italic>
It also occurs in a strain of the hugely abundant <italic>Candidatus</italic>
Pelagibacter (SAR11), and in another populous marine bacterium, <italic>Candidatus</italic>
Puniceispirillum marinum (SAR116). Consistent with this, MntX was abundant in marine bacterial metagenomes, with one sub-type occurring in an as-yet unknown bacterial clade.</p>
</abstract>
<kwd-group><kwd>manganese</kwd>
<kwd>MntX</kwd>
<kwd>Mur</kwd>
<kwd>regulation</kwd>
<kwd>Roseobacters</kwd>
<kwd>SAR11</kwd>
<kwd>SAR116</kwd>
<kwd>SitABCD</kwd>
<kwd>Vibrio</kwd>
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</front>
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<affiliations><list><country><li>Royaume-Uni</li>
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<name sortKey="Johnston, Andrew W B" sort="Johnston, Andrew W B" uniqKey="Johnston A" first="Andrew W B" last="Johnston">Andrew W B. Johnston</name>
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