Positional cloning and characterization reveal the molecular basis for soybean maturity locus E1 that regulates photoperiodic flowering
Identifieur interne : 000F93 ( Ncbi/Checkpoint ); précédent : 000F92; suivant : 000F94Positional cloning and characterization reveal the molecular basis for soybean maturity locus E1 that regulates photoperiodic flowering
Auteurs : Zhengjun Xia [République populaire de Chine, Japon] ; Satoshi Watanabe [Japon] ; Tetsuya Yamada [Japon] ; Yasutaka Tsubokura [Japon] ; Hiroko Nakashima [Japon] ; Hong Zhai [République populaire de Chine] ; Toyoaki Anai [Japon] ; Shusei Sato [Japon] ; Toshimasa Yamazaki [Japon] ; Shixiang Lü [République populaire de Chine] ; Hongyan Wu [République populaire de Chine] ; Satoshi Tabata [Japon] ; Kyuya Harada [Japon]Source :
- Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2012.
Abstract
The complex and coordinated regulation of flowering has high ecological and agricultural significance. The maturity locus
Url:
DOI: 10.1073/pnas.1117982109
PubMed: 22619331
PubMed Central: 3420212
Affiliations:
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that regulates photoperiodic flowering</title>
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<author><name sortKey="Yamazaki, Toshimasa" sort="Yamazaki, Toshimasa" uniqKey="Yamazaki T" first="Toshimasa" last="Yamazaki">Toshimasa Yamazaki</name>
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, Harbin 150081,<country>China</country>
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, Harbin 150081,<country>China</country>
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, Kisarazu 292-0812,<country>Japan</country>
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<country xml:lang="fr">Japon</country>
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<author><name sortKey="Harada, Kyuya" sort="Harada, Kyuya" uniqKey="Harada K" first="Kyuya" last="Harada">Kyuya Harada</name>
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, Tsukuba 305-8602,<country>Japan</country>
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<country xml:lang="fr">Japon</country>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Positional cloning and characterization reveal the molecular basis for soybean maturity locus <italic>E1</italic>
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<author><name sortKey="Xia, Zhengjun" sort="Xia, Zhengjun" uniqKey="Xia Z" first="Zhengjun" last="Xia">Zhengjun Xia</name>
<affiliation wicri:level="1"><nlm:aff id="aff1">Northeast Institute of Geography and Agroecology,<institution>Chinese Academy of Sciences</institution>
, Harbin 150081,<country>China</country>
;</nlm:aff>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<affiliation wicri:level="1"><nlm:aff id="aff2">Soybean Applied Genomics Research Unit,<institution>National Institute of Agrobiological Sciences</institution>
, Tsukuba 305-8602,<country>Japan</country>
;</nlm:aff>
<country xml:lang="fr">Japon</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<author><name sortKey="Watanabe, Satoshi" sort="Watanabe, Satoshi" uniqKey="Watanabe S" first="Satoshi" last="Watanabe">Satoshi Watanabe</name>
<affiliation wicri:level="1"><nlm:aff id="aff2">Soybean Applied Genomics Research Unit,<institution>National Institute of Agrobiological Sciences</institution>
, Tsukuba 305-8602,<country>Japan</country>
;</nlm:aff>
<country xml:lang="fr">Japon</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Yamada, Tetsuya" sort="Yamada, Tetsuya" uniqKey="Yamada T" first="Tetsuya" last="Yamada">Tetsuya Yamada</name>
<affiliation wicri:level="1"><nlm:aff id="aff3">Graduate School of Agriculture,<institution>Hokkaido University</institution>
, Sapporo 060-8589,<country>Japan</country>
;</nlm:aff>
<country xml:lang="fr">Japon</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
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<author><name sortKey="Tsubokura, Yasutaka" sort="Tsubokura, Yasutaka" uniqKey="Tsubokura Y" first="Yasutaka" last="Tsubokura">Yasutaka Tsubokura</name>
<affiliation wicri:level="1"><nlm:aff id="aff2">Soybean Applied Genomics Research Unit,<institution>National Institute of Agrobiological Sciences</institution>
, Tsukuba 305-8602,<country>Japan</country>
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<country xml:lang="fr">Japon</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<author><name sortKey="Nakashima, Hiroko" sort="Nakashima, Hiroko" uniqKey="Nakashima H" first="Hiroko" last="Nakashima">Hiroko Nakashima</name>
<affiliation wicri:level="1"><nlm:aff id="aff4">Faculty of Agriculture,<institution>Saga University</institution>
, Saga 840-8502,<country>Japan</country>
;</nlm:aff>
<country xml:lang="fr">Japon</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
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<author><name sortKey="Zhai, Hong" sort="Zhai, Hong" uniqKey="Zhai H" first="Hong" last="Zhai">Hong Zhai</name>
<affiliation wicri:level="1"><nlm:aff id="aff1">Northeast Institute of Geography and Agroecology,<institution>Chinese Academy of Sciences</institution>
, Harbin 150081,<country>China</country>
;</nlm:aff>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
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<author><name sortKey="Anai, Toyoaki" sort="Anai, Toyoaki" uniqKey="Anai T" first="Toyoaki" last="Anai">Toyoaki Anai</name>
<affiliation wicri:level="1"><nlm:aff id="aff4">Faculty of Agriculture,<institution>Saga University</institution>
, Saga 840-8502,<country>Japan</country>
;</nlm:aff>
<country xml:lang="fr">Japon</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Sato, Shusei" sort="Sato, Shusei" uniqKey="Sato S" first="Shusei" last="Sato">Shusei Sato</name>
<affiliation wicri:level="1"><nlm:aff wicri:cut="; and" id="aff5">Department of Plant Genome Research,<institution>Kazusa DNA Research Institute</institution>
, Kisarazu 292-0812,<country>Japan</country>
</nlm:aff>
<country xml:lang="fr">Japon</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
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<author><name sortKey="Yamazaki, Toshimasa" sort="Yamazaki, Toshimasa" uniqKey="Yamazaki T" first="Toshimasa" last="Yamazaki">Toshimasa Yamazaki</name>
<affiliation wicri:level="1"><nlm:aff id="aff6">Biomolecular Research Unit,<institution>National Institute of Agrobiological Sciences</institution>
, Tsukuba 305-8602,<country>Japan</country>
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<country xml:lang="fr">Japon</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
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<author><name sortKey="Lu, Shixiang" sort="Lu, Shixiang" uniqKey="Lu S" first="Shixiang" last="Lü">Shixiang Lü</name>
<affiliation wicri:level="1"><nlm:aff id="aff1">Northeast Institute of Geography and Agroecology,<institution>Chinese Academy of Sciences</institution>
, Harbin 150081,<country>China</country>
;</nlm:aff>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Wu, Hongyan" sort="Wu, Hongyan" uniqKey="Wu H" first="Hongyan" last="Wu">Hongyan Wu</name>
<affiliation wicri:level="1"><nlm:aff id="aff1">Northeast Institute of Geography and Agroecology,<institution>Chinese Academy of Sciences</institution>
, Harbin 150081,<country>China</country>
;</nlm:aff>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Tabata, Satoshi" sort="Tabata, Satoshi" uniqKey="Tabata S" first="Satoshi" last="Tabata">Satoshi Tabata</name>
<affiliation wicri:level="1"><nlm:aff wicri:cut="; and" id="aff5">Department of Plant Genome Research,<institution>Kazusa DNA Research Institute</institution>
, Kisarazu 292-0812,<country>Japan</country>
</nlm:aff>
<country xml:lang="fr">Japon</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Harada, Kyuya" sort="Harada, Kyuya" uniqKey="Harada K" first="Kyuya" last="Harada">Kyuya Harada</name>
<affiliation wicri:level="1"><nlm:aff id="aff2">Soybean Applied Genomics Research Unit,<institution>National Institute of Agrobiological Sciences</institution>
, Tsukuba 305-8602,<country>Japan</country>
;</nlm:aff>
<country xml:lang="fr">Japon</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
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<series><title level="j">Proceedings of the National Academy of Sciences of the United States of America</title>
<idno type="ISSN">0027-8424</idno>
<idno type="eISSN">1091-6490</idno>
<imprint><date when="2012">2012</date>
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<front><div type="abstract" xml:lang="en"><p>The complex and coordinated regulation of flowering has high ecological and agricultural significance. The maturity locus <italic>E1</italic>
has a large impact on flowering time in soybean, but the molecular basis for the <italic>E1</italic>
locus is largely unknown. Through positional cloning, we delimited the <italic>E1</italic>
locus to a 17.4-kb region containing an intron-free gene (<italic>E1</italic>
). The E1 protein contains a putative bipartite nuclear localization signal and a region distantly related to B3 domain. In the recessive allele, a nonsynonymous substitution occurred in the putative nuclear localization signal, leading to the loss of localization specificity of the E1 protein and earlier flowering. The early-flowering phenotype was consistently observed in three ethylmethanesulfonate-induced mutants and two natural mutations that harbored a premature stop codon or a deletion of the entire <italic>E1</italic>
gene. <italic>E1</italic>
expression was significantly suppressed under short-day conditions and showed a bimodal diurnal pattern under long-day conditions, suggesting its response to photoperiod and its dominant effect induced by long day length. When a functional <italic>E1</italic>
gene was transformed into the early-flowering cultivar Kariyutaka with low <italic>E1</italic>
expression, transgenic plants carrying exogenous <italic>E1</italic>
displayed late flowering. Furthermore, the transcript abundance of <italic>E1</italic>
was negatively correlated with that of <italic>GmFT2a</italic>
and <italic>GmFT5a</italic>
, homologues of <italic>FLOWERING LOCUS T</italic>
that promote flowering. These findings demonstrated the key role of <italic>E1</italic>
in repressing flowering and delaying maturity in soybean. The molecular identification of the maturity locus <italic>E1</italic>
will contribute to our understanding of the molecular mechanisms by which a short-day plant regulates flowering time and maturity.</p>
</div>
</front>
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<affiliations><list><country><li>Japon</li>
<li>République populaire de Chine</li>
</country>
</list>
<tree><country name="République populaire de Chine"><noRegion><name sortKey="Xia, Zhengjun" sort="Xia, Zhengjun" uniqKey="Xia Z" first="Zhengjun" last="Xia">Zhengjun Xia</name>
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<name sortKey="Lu, Shixiang" sort="Lu, Shixiang" uniqKey="Lu S" first="Shixiang" last="Lü">Shixiang Lü</name>
<name sortKey="Wu, Hongyan" sort="Wu, Hongyan" uniqKey="Wu H" first="Hongyan" last="Wu">Hongyan Wu</name>
<name sortKey="Zhai, Hong" sort="Zhai, Hong" uniqKey="Zhai H" first="Hong" last="Zhai">Hong Zhai</name>
</country>
<country name="Japon"><noRegion><name sortKey="Xia, Zhengjun" sort="Xia, Zhengjun" uniqKey="Xia Z" first="Zhengjun" last="Xia">Zhengjun Xia</name>
</noRegion>
<name sortKey="Anai, Toyoaki" sort="Anai, Toyoaki" uniqKey="Anai T" first="Toyoaki" last="Anai">Toyoaki Anai</name>
<name sortKey="Harada, Kyuya" sort="Harada, Kyuya" uniqKey="Harada K" first="Kyuya" last="Harada">Kyuya Harada</name>
<name sortKey="Nakashima, Hiroko" sort="Nakashima, Hiroko" uniqKey="Nakashima H" first="Hiroko" last="Nakashima">Hiroko Nakashima</name>
<name sortKey="Sato, Shusei" sort="Sato, Shusei" uniqKey="Sato S" first="Shusei" last="Sato">Shusei Sato</name>
<name sortKey="Tabata, Satoshi" sort="Tabata, Satoshi" uniqKey="Tabata S" first="Satoshi" last="Tabata">Satoshi Tabata</name>
<name sortKey="Tsubokura, Yasutaka" sort="Tsubokura, Yasutaka" uniqKey="Tsubokura Y" first="Yasutaka" last="Tsubokura">Yasutaka Tsubokura</name>
<name sortKey="Watanabe, Satoshi" sort="Watanabe, Satoshi" uniqKey="Watanabe S" first="Satoshi" last="Watanabe">Satoshi Watanabe</name>
<name sortKey="Yamada, Tetsuya" sort="Yamada, Tetsuya" uniqKey="Yamada T" first="Tetsuya" last="Yamada">Tetsuya Yamada</name>
<name sortKey="Yamazaki, Toshimasa" sort="Yamazaki, Toshimasa" uniqKey="Yamazaki T" first="Toshimasa" last="Yamazaki">Toshimasa Yamazaki</name>
</country>
</tree>
</affiliations>
</record>
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