Diversity and Plasticity of the Intracellular Plant Pathogen and Insect Symbiont “Candidatus Liberibacter asiaticus” as Revealed by Hypervariable Prophage Genes with Intragenic Tandem Repeats ▿†
Identifieur interne : 000D75 ( Ncbi/Checkpoint ); précédent : 000D74; suivant : 000D76Diversity and Plasticity of the Intracellular Plant Pathogen and Insect Symbiont “Candidatus Liberibacter asiaticus” as Revealed by Hypervariable Prophage Genes with Intragenic Tandem Repeats ▿†
Auteurs : Lijuan Zhou [États-Unis] ; Charles A. Powell [États-Unis] ; Michele T. Hoffman [États-Unis] ; Wenbin Li [États-Unis] ; Guocheng Fan [République populaire de Chine] ; Bo Liu [République populaire de Chine] ; Hong Lin [États-Unis] ; Yongping Duan [États-Unis]Source :
- Applied and Environmental Microbiology [ 0099-2240 ] ; 2011.
Abstract
“
Url:
DOI: 10.1128/AEM.05111-11
PubMed: 21784907
PubMed Central: 3187138
Affiliations:
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Liberibacter asiaticus” as Revealed by Hypervariable Prophage Genes with Intragenic Tandem Repeats
<xref ref-type="fn" rid="FN2"><sup>▿</sup>
</xref>
<xref ref-type="fn" rid="FN1">†</xref>
</title>
<author><name sortKey="Zhou, Lijuan" sort="Zhou, Lijuan" uniqKey="Zhou L" first="Lijuan" last="Zhou">Lijuan Zhou</name>
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<country xml:lang="fr">États-Unis</country>
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<wicri:cityArea>University of Florida, IFAS-IRREC, Ft. Pierce</wicri:cityArea>
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<author><name sortKey="Liu, Bo" sort="Liu, Bo" uniqKey="Liu B" first="Bo" last="Liu">Bo Liu</name>
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<author><name sortKey="Lin, Hong" sort="Lin, Hong" uniqKey="Lin H" first="Hong" last="Lin">Hong Lin</name>
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<author><name sortKey="Duan, Yongping" sort="Duan, Yongping" uniqKey="Duan Y" first="Yongping" last="Duan">Yongping Duan</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Diversity and Plasticity of the Intracellular Plant Pathogen and Insect Symbiont “<named-content content-type="genus-species">Candidatus</named-content>
Liberibacter asiaticus” as Revealed by Hypervariable Prophage Genes with Intragenic Tandem Repeats
<xref ref-type="fn" rid="FN2"><sup>▿</sup>
</xref>
<xref ref-type="fn" rid="FN1">†</xref>
</title>
<author><name sortKey="Zhou, Lijuan" sort="Zhou, Lijuan" uniqKey="Zhou L" first="Lijuan" last="Zhou">Lijuan Zhou</name>
<affiliation wicri:level="2"><nlm:aff id="aff1">University of Florida, IFAS-IRREC, Ft. Pierce, Florida 34945</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Floride</region>
</placeName>
<wicri:cityArea>University of Florida, IFAS-IRREC, Ft. Pierce</wicri:cityArea>
</affiliation>
</author>
<author><name sortKey="Powell, Charles A" sort="Powell, Charles A" uniqKey="Powell C" first="Charles A." last="Powell">Charles A. Powell</name>
<affiliation wicri:level="2"><nlm:aff id="aff1">University of Florida, IFAS-IRREC, Ft. Pierce, Florida 34945</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Floride</region>
</placeName>
<wicri:cityArea>University of Florida, IFAS-IRREC, Ft. Pierce</wicri:cityArea>
</affiliation>
</author>
<author><name sortKey="Hoffman, Michele T" sort="Hoffman, Michele T" uniqKey="Hoffman M" first="Michele T." last="Hoffman">Michele T. Hoffman</name>
<affiliation wicri:level="2"><nlm:aff id="aff2">USDA-ARS-USHRL, Ft. Pierce, Florida 34945</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Floride</region>
</placeName>
<wicri:cityArea>USDA-ARS-USHRL, Ft. Pierce</wicri:cityArea>
</affiliation>
</author>
<author><name sortKey="Li, Wenbin" sort="Li, Wenbin" uniqKey="Li W" first="Wenbin" last="Li">Wenbin Li</name>
<affiliation wicri:level="2"><nlm:aff id="aff3">USDA-APHIS-PPQ-CPHST-NPGBL, Beltsville, Maryland 20705</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Maryland</region>
</placeName>
<wicri:cityArea>USDA-APHIS-PPQ-CPHST-NPGBL, Beltsville</wicri:cityArea>
</affiliation>
</author>
<author><name sortKey="Fan, Guocheng" sort="Fan, Guocheng" uniqKey="Fan G" first="Guocheng" last="Fan">Guocheng Fan</name>
<affiliation wicri:level="1"><nlm:aff id="aff4">Citrus Huanglongbing Research Center, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350002, China</nlm:aff>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Citrus Huanglongbing Research Center, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350002</wicri:regionArea>
<wicri:noRegion>Fujian 350002</wicri:noRegion>
</affiliation>
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<author><name sortKey="Liu, Bo" sort="Liu, Bo" uniqKey="Liu B" first="Bo" last="Liu">Bo Liu</name>
<affiliation wicri:level="1"><nlm:aff id="aff4">Citrus Huanglongbing Research Center, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350002, China</nlm:aff>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Citrus Huanglongbing Research Center, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350002</wicri:regionArea>
<wicri:noRegion>Fujian 350002</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Lin, Hong" sort="Lin, Hong" uniqKey="Lin H" first="Hong" last="Lin">Hong Lin</name>
<affiliation wicri:level="2"><nlm:aff id="aff5">San Joaquin Valley Agricultural Sciences Center, USDA-ARS, Parlier, California 93658</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Californie</region>
</placeName>
<wicri:cityArea>San Joaquin Valley Agricultural Sciences Center, USDA-ARS, Parlier</wicri:cityArea>
</affiliation>
</author>
<author><name sortKey="Duan, Yongping" sort="Duan, Yongping" uniqKey="Duan Y" first="Yongping" last="Duan">Yongping Duan</name>
<affiliation wicri:level="2"><nlm:aff id="aff2">USDA-ARS-USHRL, Ft. Pierce, Florida 34945</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Floride</region>
</placeName>
<wicri:cityArea>USDA-ARS-USHRL, Ft. Pierce</wicri:cityArea>
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<series><title level="j">Applied and Environmental Microbiology</title>
<idno type="ISSN">0099-2240</idno>
<idno type="eISSN">1098-5336</idno>
<imprint><date when="2011">2011</date>
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<front><div type="abstract" xml:lang="en"><p>“<named-content content-type="genus-species">Candidatus</named-content>
Liberibacter asiaticus” is a psyllid-transmitted, phloem-limited alphaproteobacterium and the most prevalent species of “<italic>Ca</italic>
. Liberibacter” associated with a devastating worldwide citrus disease known as huanglongbing (HLB). Two related and hypervariable genes (<italic>hyv</italic>
<sub>I</sub>
and <italic>hyv</italic>
<sub>II</sub>
) were identified in the prophage regions of the Psy62 “<italic>Ca.</italic>
Liberibacter asiaticus” genome. Sequence analyses of the <italic>hyv</italic>
<sub>I</sub>
and <italic>hyv</italic>
<sub>II</sub>
genes in 35 “<italic>Ca.</italic>
Liberibacter asiaticus” DNA isolates collected globally revealed that the <italic>hyv</italic>
<sub>I</sub>
gene contains up to 12 nearly identical tandem repeats (NITRs, 132 bp) and 4 partial repeats, while <italic>hyv</italic>
<sub>II</sub>
contains up to 2 NITRs and 4 partial repeats and shares homology with <italic>hyv</italic>
<sub>I</sub>
. Frequent deletions or insertions of these repeats within the <italic>hyv</italic>
<sub>I</sub>
and <italic>hyv</italic>
<sub>II</sub>
genes were observed, none of which disrupted the open reading frames. Sequence conservation within the individual repeats but an extensive variation in repeat numbers, rearrangement, and the sequences flanking the repeat region indicate the diversity and plasticity of “<italic>Ca.</italic>
Liberibacter asiaticus” bacterial populations in the world. These differences were found not only in samples of distinct geographical origins but also in samples from a single origin and even from a single “<italic>Ca.</italic>
Liberibacter asiaticus”-infected sample. This is the first evidence of different “<italic>Ca.</italic>
Liberibacter asiaticus” populations coexisting in a single HLB-affected sample. The Florida “<italic>Ca.</italic>
Liberibacter asiaticus” isolates contain both <italic>hyv</italic>
<sub>I</sub>
and <italic>hyv</italic>
<sub>II</sub>
, while all other global “<italic>Ca.</italic>
Liberibacter asiaticus” isolates contain either one or the other. Interclade assignments of the putative Hyv<sub>I</sub>
and Hyv<sub>II</sub>
proteins from Florida isolates with other global isolates in phylogenetic trees imply multiple “<italic>Ca.</italic>
Liberibacter asiaticus” populations in the world and a multisource introduction of the “<italic>Ca.</italic>
Liberibacter asiaticus” bacterium into Florida.</p>
</div>
</front>
</TEI>
<affiliations><list><country><li>République populaire de Chine</li>
<li>États-Unis</li>
</country>
<region><li>Californie</li>
<li>Floride</li>
<li>Maryland</li>
</region>
</list>
<tree><country name="États-Unis"><region name="Floride"><name sortKey="Zhou, Lijuan" sort="Zhou, Lijuan" uniqKey="Zhou L" first="Lijuan" last="Zhou">Lijuan Zhou</name>
</region>
<name sortKey="Duan, Yongping" sort="Duan, Yongping" uniqKey="Duan Y" first="Yongping" last="Duan">Yongping Duan</name>
<name sortKey="Hoffman, Michele T" sort="Hoffman, Michele T" uniqKey="Hoffman M" first="Michele T." last="Hoffman">Michele T. Hoffman</name>
<name sortKey="Li, Wenbin" sort="Li, Wenbin" uniqKey="Li W" first="Wenbin" last="Li">Wenbin Li</name>
<name sortKey="Lin, Hong" sort="Lin, Hong" uniqKey="Lin H" first="Hong" last="Lin">Hong Lin</name>
<name sortKey="Powell, Charles A" sort="Powell, Charles A" uniqKey="Powell C" first="Charles A." last="Powell">Charles A. Powell</name>
</country>
<country name="République populaire de Chine"><noRegion><name sortKey="Fan, Guocheng" sort="Fan, Guocheng" uniqKey="Fan G" first="Guocheng" last="Fan">Guocheng Fan</name>
</noRegion>
<name sortKey="Liu, Bo" sort="Liu, Bo" uniqKey="Liu B" first="Bo" last="Liu">Bo Liu</name>
</country>
</tree>
</affiliations>
</record>
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