Ethylene Biosynthesis in Detached Young Persimmon Fruit Is Initiated in Calyx and Modulated by Water Loss from the Fruit1
Identifieur interne : 000081 ( Ncbi/Checkpoint ); précédent : 000080; suivant : 000082Ethylene Biosynthesis in Detached Young Persimmon Fruit Is Initiated in Calyx and Modulated by Water Loss from the Fruit1
Auteurs : Ryohei Nakano ; Emi Ogura ; Yasutaka Kubo ; Akitsugu InabaSource :
- Plant Physiology [ 0032-0889 ] ; 2003.
Abstract
Persimmon (
Url:
DOI: 10.1104/pp.010462
PubMed: 12529535
PubMed Central: 166807
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Ethylene Biosynthesis in Detached Young Persimmon Fruit Is Initiated in Calyx and Modulated by Water Loss from the Fruit<xref ref-type="fn" rid="FN1">1</xref>
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<author><name sortKey="Nakano, Ryohei" sort="Nakano, Ryohei" uniqKey="Nakano R" first="Ryohei" last="Nakano">Ryohei Nakano</name>
</author>
<author><name sortKey="Ogura, Emi" sort="Ogura, Emi" uniqKey="Ogura E" first="Emi" last="Ogura">Emi Ogura</name>
</author>
<author><name sortKey="Kubo, Yasutaka" sort="Kubo, Yasutaka" uniqKey="Kubo Y" first="Yasutaka" last="Kubo">Yasutaka Kubo</name>
</author>
<author><name sortKey="Inaba, Akitsugu" sort="Inaba, Akitsugu" uniqKey="Inaba A" first="Akitsugu" last="Inaba">Akitsugu Inaba</name>
</author>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Ethylene Biosynthesis in Detached Young Persimmon Fruit Is Initiated in Calyx and Modulated by Water Loss from the Fruit<xref ref-type="fn" rid="FN1">1</xref>
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<author><name sortKey="Nakano, Ryohei" sort="Nakano, Ryohei" uniqKey="Nakano R" first="Ryohei" last="Nakano">Ryohei Nakano</name>
</author>
<author><name sortKey="Ogura, Emi" sort="Ogura, Emi" uniqKey="Ogura E" first="Emi" last="Ogura">Emi Ogura</name>
</author>
<author><name sortKey="Kubo, Yasutaka" sort="Kubo, Yasutaka" uniqKey="Kubo Y" first="Yasutaka" last="Kubo">Yasutaka Kubo</name>
</author>
<author><name sortKey="Inaba, Akitsugu" sort="Inaba, Akitsugu" uniqKey="Inaba A" first="Akitsugu" last="Inaba">Akitsugu Inaba</name>
</author>
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<series><title level="j">Plant Physiology</title>
<idno type="ISSN">0032-0889</idno>
<idno type="eISSN">1532-2548</idno>
<imprint><date when="2003">2003</date>
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<front><div type="abstract" xml:lang="en"><p>Persimmon (<italic>Diospyros kaki</italic>
Thunb.) fruit are usually classified as climacteric fruit; however, unlike typical climacteric fruits, persimmon fruit exhibit a unique characteristic in that the younger the stage of fruit detached, the greater the level of ethylene produced. To investigate ethylene induction mechanisms in detached young persimmon fruit, we cloned three cDNAs encoding 1-aminocyclopropane-1-carboxylic acid (ACC) synthase (<italic>DK</italic>
-<italic>ACS1</italic>
, <italic>2</italic>
, and -<italic>3</italic>
) and two encoding ACC oxidase (<italic>DK</italic>
-<italic>ACO1</italic>
and -<italic>2</italic>
) genes involved in ethylene biosynthesis, and we analyzed their expression in various fruit tissues. Ethylene production was induced within a few days of detachment in all fruit tissues tested, accompanied by temporally and spatially coordinated expression of all the <italic>DK</italic>
-<italic>ACS</italic>
and <italic>DK</italic>
-<italic>ACO</italic>
genes. In all tissues except the calyx, treatment with 1-methylcyclopropene, an inhibitor of ethylene action, suppressed ethylene production and ethylene biosynthesis-related gene expression. In the calyx, one ACC synthase gene (<italic>DK</italic>
-<italic>ACS2</italic>
) exhibited increased mRNA accumulation accompanied by a large quantity of ethylene production, and treatment of the fruit with 1-methylcyclopropene did not prevent either the accumulation of <italic>DK</italic>
-<italic>ACS2</italic>
transcripts or ethylene induction. Furthermore, the alleviation of water loss from the fruit significantly delayed the onset of ethylene production and the expression of <italic>DK</italic>
-<italic>ACS2</italic>
in the calyx. These results indicate that ethylene biosynthesis in detached young persimmon fruit is initially induced in calyx and is modulated by water loss through transcriptional activation of <italic>DK</italic>
-<italic>ACS2</italic>
. The ethylene produced in the calyx subsequently diffuses to other fruit tissues and acts as a secondary signal that stimulates autocatalytic ethylene biosynthesis in these tissues, leading to a burst of ethylene production.</p>
</div>
</front>
</TEI>
<affiliations><list></list>
<tree><noCountry><name sortKey="Inaba, Akitsugu" sort="Inaba, Akitsugu" uniqKey="Inaba A" first="Akitsugu" last="Inaba">Akitsugu Inaba</name>
<name sortKey="Kubo, Yasutaka" sort="Kubo, Yasutaka" uniqKey="Kubo Y" first="Yasutaka" last="Kubo">Yasutaka Kubo</name>
<name sortKey="Nakano, Ryohei" sort="Nakano, Ryohei" uniqKey="Nakano R" first="Ryohei" last="Nakano">Ryohei Nakano</name>
<name sortKey="Ogura, Emi" sort="Ogura, Emi" uniqKey="Ogura E" first="Emi" last="Ogura">Emi Ogura</name>
</noCountry>
</tree>
</affiliations>
</record>
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