Transgenic expression of the rice Xa21 pattern recognition receptor in banana (Musa sp.) confers resistance to Xanthomonas campestris pv. musacearum
Identifieur interne : 000866 ( Main/Merge ); précédent : 000865; suivant : 000867Transgenic expression of the rice Xa21 pattern recognition receptor in banana (Musa sp.) confers resistance to Xanthomonas campestris pv. musacearum
Auteurs : Jaindra Nath Tripathi [Kenya] ; Jim Lorenzen [Tanzanie] ; Ofir Bahar [États-Unis] ; Pamela Ronald [États-Unis] ; Leena Tripathi [Kenya]Source :
- Plant biotechnology journal [ 1467-7644 ] ; 2014.
Abstract
Banana Xanthomonas wilt (BXW), caused by the bacterium
Url:
DOI: 10.1111/pbi.12170
PubMed: 24612254
PubMed Central: 4110157
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PMC:4110157Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Transgenic expression of the rice <italic>Xa21</italic>
pattern recognition receptor in banana (<italic>Musa</italic>
sp.) confers resistance to <italic>Xanthomonas campestris</italic>
pv. <italic>musacearum</italic>
</title>
<author><name sortKey="Tripathi, Jaindra Nath" sort="Tripathi, Jaindra Nath" uniqKey="Tripathi J" first="Jaindra Nath" last="Tripathi">Jaindra Nath Tripathi</name>
<affiliation wicri:level="1"><nlm:aff id="A1">International Institute of Tropical Agriculture (IITA), Nairobi, Kenya</nlm:aff>
<country xml:lang="fr">Kenya</country>
<wicri:regionArea>International Institute of Tropical Agriculture (IITA), Nairobi</wicri:regionArea>
<wicri:noRegion>Nairobi</wicri:noRegion>
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<author><name sortKey="Lorenzen, Jim" sort="Lorenzen, Jim" uniqKey="Lorenzen J" first="Jim" last="Lorenzen">Jim Lorenzen</name>
<affiliation wicri:level="1"><nlm:aff id="A2">International Institute of Tropical Agriculture (IITA), Arusha, Tanzania</nlm:aff>
<country xml:lang="fr">Tanzanie</country>
<wicri:regionArea>International Institute of Tropical Agriculture (IITA), Arusha</wicri:regionArea>
<wicri:noRegion>Arusha</wicri:noRegion>
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<author><name sortKey="Bahar, Ofir" sort="Bahar, Ofir" uniqKey="Bahar O" first="Ofir" last="Bahar">Ofir Bahar</name>
<affiliation wicri:level="1"><nlm:aff id="A3">Department of Pathology and the Genome Center, University of California, Davis, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Pathology and the Genome Center, University of California, Davis</wicri:regionArea>
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<author><name sortKey="Ronald, Pamela" sort="Ronald, Pamela" uniqKey="Ronald P" first="Pamela" last="Ronald">Pamela Ronald</name>
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<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Pathology and the Genome Center, University of California, Davis</wicri:regionArea>
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<author><name sortKey="Tripathi, Leena" sort="Tripathi, Leena" uniqKey="Tripathi L" first="Leena" last="Tripathi">Leena Tripathi</name>
<affiliation wicri:level="1"><nlm:aff id="A1">International Institute of Tropical Agriculture (IITA), Nairobi, Kenya</nlm:aff>
<country xml:lang="fr">Kenya</country>
<wicri:regionArea>International Institute of Tropical Agriculture (IITA), Nairobi</wicri:regionArea>
<wicri:noRegion>Nairobi</wicri:noRegion>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Transgenic expression of the rice <italic>Xa21</italic>
pattern recognition receptor in banana (<italic>Musa</italic>
sp.) confers resistance to <italic>Xanthomonas campestris</italic>
pv. <italic>musacearum</italic>
</title>
<author><name sortKey="Tripathi, Jaindra Nath" sort="Tripathi, Jaindra Nath" uniqKey="Tripathi J" first="Jaindra Nath" last="Tripathi">Jaindra Nath Tripathi</name>
<affiliation wicri:level="1"><nlm:aff id="A1">International Institute of Tropical Agriculture (IITA), Nairobi, Kenya</nlm:aff>
<country xml:lang="fr">Kenya</country>
<wicri:regionArea>International Institute of Tropical Agriculture (IITA), Nairobi</wicri:regionArea>
<wicri:noRegion>Nairobi</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Lorenzen, Jim" sort="Lorenzen, Jim" uniqKey="Lorenzen J" first="Jim" last="Lorenzen">Jim Lorenzen</name>
<affiliation wicri:level="1"><nlm:aff id="A2">International Institute of Tropical Agriculture (IITA), Arusha, Tanzania</nlm:aff>
<country xml:lang="fr">Tanzanie</country>
<wicri:regionArea>International Institute of Tropical Agriculture (IITA), Arusha</wicri:regionArea>
<wicri:noRegion>Arusha</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Bahar, Ofir" sort="Bahar, Ofir" uniqKey="Bahar O" first="Ofir" last="Bahar">Ofir Bahar</name>
<affiliation wicri:level="1"><nlm:aff id="A3">Department of Pathology and the Genome Center, University of California, Davis, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Pathology and the Genome Center, University of California, Davis</wicri:regionArea>
<wicri:noRegion>Davis</wicri:noRegion>
</affiliation>
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<author><name sortKey="Ronald, Pamela" sort="Ronald, Pamela" uniqKey="Ronald P" first="Pamela" last="Ronald">Pamela Ronald</name>
<affiliation wicri:level="1"><nlm:aff id="A3">Department of Pathology and the Genome Center, University of California, Davis, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Pathology and the Genome Center, University of California, Davis</wicri:regionArea>
<wicri:noRegion>Davis</wicri:noRegion>
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<author><name sortKey="Tripathi, Leena" sort="Tripathi, Leena" uniqKey="Tripathi L" first="Leena" last="Tripathi">Leena Tripathi</name>
<affiliation wicri:level="1"><nlm:aff id="A1">International Institute of Tropical Agriculture (IITA), Nairobi, Kenya</nlm:aff>
<country xml:lang="fr">Kenya</country>
<wicri:regionArea>International Institute of Tropical Agriculture (IITA), Nairobi</wicri:regionArea>
<wicri:noRegion>Nairobi</wicri:noRegion>
</affiliation>
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<series><title level="j">Plant biotechnology journal</title>
<idno type="ISSN">1467-7644</idno>
<idno type="eISSN">1467-7652</idno>
<imprint><date when="2014">2014</date>
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<front><div type="abstract" xml:lang="en"><title>Summary</title>
<p id="P2">Banana Xanthomonas wilt (BXW), caused by the bacterium <italic>Xanthomonas campestris</italic>
pv. <italic>musacearum</italic>
(<italic>Xcm</italic>
), is the most devastating disease of banana in east and central Africa. The spread of BXW threatens the livelihood of millions of African farmers who depend on banana for food security and income. There are no commercial chemicals, bio-control agents or resistant cultivars available to control BXW. Here we take advantage of the robust resistance conferred by the rice pattern recognition receptor (PRR), XA21, to the rice pathogen <italic>Xanthomonas oryzae</italic>
pv. <italic>oryzae</italic>
(<italic>Xoo</italic>
). We identified a set of genes required for activation of <italic>Xa21</italic>
mediated immunity (<italic>rax</italic>
) that were conserved in both <italic>Xoo</italic>
and <italic>Xcm</italic>
. Based on the conservation, we hypothesized that intergeneric transfer of <italic>Xa21</italic>
would confer resistance to <italic>Xcm</italic>
. We evaluated 25 transgenic lines of the banana cultivar ‘Gonja manjaya’ (AAB) using a rapid bioassay and 12 transgenic plants in the glass house for resistance against <italic>Xcm</italic>
. About fifty percent of the transgenic lines showed complete resistance to <italic>Xcm</italic>
in both assays. In contrast, all of the non-transgenic control plants showed severe symptoms that progressed to complete wilting. These results indicate that the constitutive expression of the rice <italic>Xa21</italic>
gene in banana results in enhanced resistance against <italic>Xcm.</italic>
Furthermore this work demonstrates the feasibility of PRR gene transfer between monocotyledonous species and provides a valuable new tool for controlling the BXW pandemic of banana, a staple food for 100 million people in east Africa.</p>
</div>
</front>
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