An organ-specific role for ethylene in rose petal expansion during dehydration and rehydration
Identifieur interne : 001278 ( Ncbi/Merge ); précédent : 001277; suivant : 001279An organ-specific role for ethylene in rose petal expansion during dehydration and rehydration
Auteurs : Daofeng Liu [République populaire de Chine] ; Xiaojing Liu [République populaire de Chine] ; Yonglu Meng [République populaire de Chine] ; Cuihui Sun [République populaire de Chine] ; Hongshu Tang [République populaire de Chine] ; Yudong Jiang [République populaire de Chine] ; Muhammad Ali Khan [République populaire de Chine] ; Jingqi Xue [République populaire de Chine] ; Nan Ma [République populaire de Chine] ; Junping Gao [République populaire de Chine]Source :
- Journal of Experimental Botany [ 0022-0957 ] ; 2013.
Abstract
Dehydration is a major factor resulting in huge loss from cut flowers during transportation. In the present study, dehydration inhibited petal cell expansion and resulted in irregular flowers in cut roses, mimicking ethylene-treated flowers. Among the five floral organs, dehydration substantially elevated ethylene production in the sepals, whilst rehydration caused rapid and elevated ethylene levels in the gynoecia and sepals. Among the five ethylene biosynthetic enzyme genes (
Url:
DOI: 10.1093/jxb/ert092
PubMed: 23599274
PubMed Central: 3654423
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<author><name sortKey="Gao, Junping" sort="Gao, Junping" uniqKey="Gao J" first="Junping" last="Gao">Junping Gao</name>
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<series><title level="j">Journal of Experimental Botany</title>
<idno type="ISSN">0022-0957</idno>
<idno type="eISSN">1460-2431</idno>
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<front><div type="abstract" xml:lang="en"><p>Dehydration is a major factor resulting in huge loss from cut flowers during transportation. In the present study, dehydration inhibited petal cell expansion and resulted in irregular flowers in cut roses, mimicking ethylene-treated flowers. Among the five floral organs, dehydration substantially elevated ethylene production in the sepals, whilst rehydration caused rapid and elevated ethylene levels in the gynoecia and sepals. Among the five ethylene biosynthetic enzyme genes (<italic>RhACS1–5</italic>
), expression of <italic>RhACS1</italic>
and <italic>RhACS2</italic>
was induced by dehydration and rehydration in the two floral organs. Silencing both <italic>RhACS1</italic>
and <italic>RhACS2</italic>
significantly suppressed dehydration- and rehydration-induced ethylene in the sepals and gynoecia. This weakened the inhibitory effect of dehydration on petal cell expansion. β-glucuronidase activity driven by both the <italic>RhACS1</italic>
and <italic>RhACS2</italic>
promoters was dramatically induced in the sepals, pistil, and stamens, but not in the petals of transgenic <italic>Arabidopsis</italic>
. This further supports the organ-specific induction of these two genes. Among the five rose ethylene receptor genes (<italic>RhETR1–5</italic>
), expression of <italic>RhETR3</italic>
was predominantly induced by dehydration and rehydration in the petals. <italic>RhETR3</italic>
silencing clearly aggravated the inhibitory effect of dehydration on petal cell expansion. However, no significant difference in the effect between <italic>RhETR3</italic>
-silenced flowers and <italic>RhETR-</italic>
genes-silenced flowers was observed. Furthermore, <italic>RhETR-</italic>
genes silencing extensively altered the expression of 21 cell expansion-related downstream genes in response to ethylene. These results suggest that induction of ethylene biosynthesis by dehydration proceeds in an organ-specific manner, indicating that ethylene can function as a mediator in dehydration-caused inhibition of cell expansion in rose petals.</p>
</div>
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<pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">J Exp Bot</journal-id>
<journal-id journal-id-type="iso-abbrev">J. Exp. Bot</journal-id>
<journal-id journal-id-type="hwp">jexbot</journal-id>
<journal-id journal-id-type="publisher-id">jexbot</journal-id>
<journal-title-group><journal-title>Journal of Experimental Botany</journal-title>
</journal-title-group>
<issn pub-type="ppub">0022-0957</issn>
<issn pub-type="epub">1460-2431</issn>
<publisher><publisher-name>Oxford University Press</publisher-name>
<publisher-loc>UK</publisher-loc>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">23599274</article-id>
<article-id pub-id-type="pmc">3654423</article-id>
<article-id pub-id-type="doi">10.1093/jxb/ert092</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Research Paper</subject>
</subj-group>
</article-categories>
<title-group><article-title>An organ-specific role for ethylene in rose petal expansion during dehydration and rehydration</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Liu</surname>
<given-names>Daofeng</given-names>
</name>
<xref ref-type="aff" rid="AF0001"><sup>1</sup>
</xref>
<xref ref-type="aff" rid="AF0002"><sup>2</sup>
</xref>
<xref ref-type="corresp" rid="c2">*</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Liu</surname>
<given-names>Xiaojing</given-names>
</name>
<xref ref-type="aff" rid="AF0001"><sup>1</sup>
</xref>
<xref ref-type="aff" rid="AF0003"><sup>3</sup>
</xref>
<xref ref-type="corresp" rid="c2">*</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Meng</surname>
<given-names>Yonglu</given-names>
</name>
<xref ref-type="aff" rid="AF0001"><sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Sun</surname>
<given-names>Cuihui</given-names>
</name>
<xref ref-type="aff" rid="AF0001"><sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Tang</surname>
<given-names>Hongshu</given-names>
</name>
<xref ref-type="aff" rid="AF0001"><sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Jiang</surname>
<given-names>Yudong</given-names>
</name>
<xref ref-type="aff" rid="AF0001"><sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Khan</surname>
<given-names>Muhammad Ali</given-names>
</name>
<xref ref-type="aff" rid="AF0001"><sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Xue</surname>
<given-names>Jingqi</given-names>
</name>
<xref ref-type="aff" rid="AF0004"><sup>4</sup>
</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Ma</surname>
<given-names>Nan</given-names>
</name>
<xref ref-type="aff" rid="AF0001"><sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Gao</surname>
<given-names>Junping</given-names>
</name>
<xref ref-type="aff" rid="AF0001"><sup>1</sup>
</xref>
<xref ref-type="corresp" rid="c1"><sup>†</sup>
</xref>
</contrib>
<aff id="AF0001"><sup>1</sup>
<institution>Department of Ornamental Horticulture, China Agricultural University</institution>
,<addr-line>Beijing 100193</addr-line>
,<country>PR China</country>
</aff>
<aff id="AF0002"><sup>2</sup>
<institution>College of Horticulture and Landscape, Southwest University</institution>
,<addr-line>Chongqing 400715</addr-line>
,<country>PR China</country>
</aff>
<aff id="AF0003"><sup>3</sup>
<institution>Flower Research and Development Center, Zhejiang Academy of Agricultural Sciences</institution>
,<addr-line>Hangzhou 311202</addr-line>
,<country>PR China</country>
</aff>
<aff id="AF0004"><sup>4</sup>
<institution>Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences</institution>
,<addr-line>Beijing 100081</addr-line>
,<country>PR China</country>
</aff>
</contrib-group>
<author-notes><corresp id="c2">* These authors contributed equally to this work.</corresp>
<corresp id="c1"><sup>†</sup>
To whom correspondence should be addressed. Email: <email>gaojp@cau.edu.cn</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub"><month>5</month>
<year>2013</year>
</pub-date>
<pub-date pub-type="epub"><day>18</day>
<month>4</month>
<year>2013</year>
</pub-date>
<pub-date pub-type="pmc-release"><day>18</day>
<month>4</month>
<year>2013</year>
</pub-date>
<pmc-comment> PMC Release delay is 0 months and 0 days and was based on the
. </pmc-comment>
<volume>64</volume>
<issue>8</issue>
<fpage>2333</fpage>
<lpage>2344</lpage>
<permissions><copyright-statement>© The Author(2) [2013].</copyright-statement>
<copyright-year>2013</copyright-year>
<license license-type="creative-commons"><license-p><pmc-comment>CREATIVE COMMONS</pmc-comment>
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by-nc/3.0/">http://creativecommons.org/licenses/by-nc/3.0/</ext-link>
), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com.</license-p>
</license>
</permissions>
<abstract><p>Dehydration is a major factor resulting in huge loss from cut flowers during transportation. In the present study, dehydration inhibited petal cell expansion and resulted in irregular flowers in cut roses, mimicking ethylene-treated flowers. Among the five floral organs, dehydration substantially elevated ethylene production in the sepals, whilst rehydration caused rapid and elevated ethylene levels in the gynoecia and sepals. Among the five ethylene biosynthetic enzyme genes (<italic>RhACS1–5</italic>
), expression of <italic>RhACS1</italic>
and <italic>RhACS2</italic>
was induced by dehydration and rehydration in the two floral organs. Silencing both <italic>RhACS1</italic>
and <italic>RhACS2</italic>
significantly suppressed dehydration- and rehydration-induced ethylene in the sepals and gynoecia. This weakened the inhibitory effect of dehydration on petal cell expansion. β-glucuronidase activity driven by both the <italic>RhACS1</italic>
and <italic>RhACS2</italic>
promoters was dramatically induced in the sepals, pistil, and stamens, but not in the petals of transgenic <italic>Arabidopsis</italic>
. This further supports the organ-specific induction of these two genes. Among the five rose ethylene receptor genes (<italic>RhETR1–5</italic>
), expression of <italic>RhETR3</italic>
was predominantly induced by dehydration and rehydration in the petals. <italic>RhETR3</italic>
silencing clearly aggravated the inhibitory effect of dehydration on petal cell expansion. However, no significant difference in the effect between <italic>RhETR3</italic>
-silenced flowers and <italic>RhETR-</italic>
genes-silenced flowers was observed. Furthermore, <italic>RhETR-</italic>
genes silencing extensively altered the expression of 21 cell expansion-related downstream genes in response to ethylene. These results suggest that induction of ethylene biosynthesis by dehydration proceeds in an organ-specific manner, indicating that ethylene can function as a mediator in dehydration-caused inhibition of cell expansion in rose petals.</p>
</abstract>
<kwd-group><title>Key words:</title>
<kwd>cut roses</kwd>
<kwd>dehydration</kwd>
<kwd>ethylene biosynthesis</kwd>
<kwd>ethylene perception</kwd>
<kwd>petal expansion</kwd>
<kwd>rehydration.</kwd>
</kwd-group>
<counts><page-count count="12"></page-count>
</counts>
</article-meta>
</front>
</pmc>
<affiliations><list><country><li>République populaire de Chine</li>
</country>
</list>
<tree><country name="République populaire de Chine"><noRegion><name sortKey="Liu, Daofeng" sort="Liu, Daofeng" uniqKey="Liu D" first="Daofeng" last="Liu">Daofeng Liu</name>
</noRegion>
<name sortKey="Gao, Junping" sort="Gao, Junping" uniqKey="Gao J" first="Junping" last="Gao">Junping Gao</name>
<name sortKey="Jiang, Yudong" sort="Jiang, Yudong" uniqKey="Jiang Y" first="Yudong" last="Jiang">Yudong Jiang</name>
<name sortKey="Khan, Muhammad Ali" sort="Khan, Muhammad Ali" uniqKey="Khan M" first="Muhammad Ali" last="Khan">Muhammad Ali Khan</name>
<name sortKey="Liu, Daofeng" sort="Liu, Daofeng" uniqKey="Liu D" first="Daofeng" last="Liu">Daofeng Liu</name>
<name sortKey="Liu, Xiaojing" sort="Liu, Xiaojing" uniqKey="Liu X" first="Xiaojing" last="Liu">Xiaojing Liu</name>
<name sortKey="Liu, Xiaojing" sort="Liu, Xiaojing" uniqKey="Liu X" first="Xiaojing" last="Liu">Xiaojing Liu</name>
<name sortKey="Ma, Nan" sort="Ma, Nan" uniqKey="Ma N" first="Nan" last="Ma">Nan Ma</name>
<name sortKey="Meng, Yonglu" sort="Meng, Yonglu" uniqKey="Meng Y" first="Yonglu" last="Meng">Yonglu Meng</name>
<name sortKey="Sun, Cuihui" sort="Sun, Cuihui" uniqKey="Sun C" first="Cuihui" last="Sun">Cuihui Sun</name>
<name sortKey="Tang, Hongshu" sort="Tang, Hongshu" uniqKey="Tang H" first="Hongshu" last="Tang">Hongshu Tang</name>
<name sortKey="Xue, Jingqi" sort="Xue, Jingqi" uniqKey="Xue J" first="Jingqi" last="Xue">Jingqi Xue</name>
</country>
</tree>
</affiliations>
</record>
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