AgrobacTransV1, Main, Exploration, bibRecord, 000236

GA as a regulatory link between the showy floral traits color and scent.

Identifieur interne : 000236 ( Main/Exploration ); précédent : 000235; suivant : 000237

GA as a regulatory link between the showy floral traits color and scent.

Auteurs : Jasmin Ravid [Israël] ; Ben Spitzer-Rimon [Israël] ; Yumiko Takebayashi [Japon] ; Mitsunori Seo [Japon] ; Alon Cna'Ani [Israël] ; Javiera Aravena-Calvo [Israël] ; Tania Masci [Israël] ; Moran Farhi [Israël] ; Alexander Vainstein [Israël]

Source :

The New phytologist [ 1469-8137 ] ; 2017.

RBID : pubmed:28262954

Descripteurs français

KwdFr :
- Extinction de l'expression des gènes (MeSH), Facteur de croissance végétal (métabolisme), Fleurs (croissance et développement), Fleurs (métabolisme), Fleurs (physiologie), Gibbérellines (métabolisme), Gibbérellines (pharmacologie), Gibbérellines (physiologie), Petunia (métabolisme), Transduction du signal (MeSH).
MESH :
- croissance et développement : Fleurs.
- métabolisme : Facteur de croissance végétal, Fleurs, Gibbérellines, Petunia.
- pharmacologie : Gibbérellines.
- physiologie : Fleurs, Gibbérellines.
- Extinction de l'expression des gènes, Transduction du signal.

English descriptors

KwdEn :
- Flowers (growth & development), Flowers (metabolism), Flowers (physiology), Gene Silencing (MeSH), Gibberellins (metabolism), Gibberellins (pharmacology), Gibberellins (physiology), Petunia (metabolism), Plant Growth Regulators (metabolism), Signal Transduction (MeSH).
MESH :
- chemical , metabolism : Gibberellins, Plant Growth Regulators.
- growth & development : Flowers.
- metabolism : Flowers, Petunia.
- chemical , pharmacology : Gibberellins.
- physiology : Flowers, Gibberellins.
- Gene Silencing, Signal Transduction.

Abstract

Emission of volatiles at advanced stages of flower development is a strategy used by plants to lure pollinators to the flower. We reveal that GA negatively regulates floral scent production in petunia. We used Agrobacterium-mediated transient expression of GA-20ox in petunia flowers and a virus-induced gene silencing approach to knock down DELLA expression, measured volatile emission, internal pool sizes and GA levels by GC-MS or LC-MS/MS, and analyzed transcript levels of scent-related phenylpropanoid-pathway genes. We show that GA has a negative effect on the concentrations of accumulated and emitted phenylpropanoid volatiles in petunia flowers; this effect is exerted through transcriptional/post-transcriptional downregulation of regulatory and biosynthetic scent-related genes. Both overexpression of GA20-ox, a GA-biosynthesis gene, and suppression of DELLA, a repressor of GA-signal transduction, corroborated GA's negative regulation of floral scent. We present a model in which GA-dependent timing of the sequential activation of different branches of the phenylpropanoid pathway during flower development may represent a link between the showy traits controlling pollinator attraction, namely color and scent.

DOI: 10.1111/nph.14504
PubMed: 28262954

Affiliations:

Israël, Japon

Links toward previous steps (curation, corpus...)

to stream Main, to step Corpus: 000243
to stream Main, to step Curation: 000243

Le document en format XML

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<term>Flowers (metabolism)</term>
<term>Flowers (physiology)</term>
<term>Gene Silencing (MeSH)</term>
<term>Gibberellins (metabolism)</term>
<term>Gibberellins (pharmacology)</term>
<term>Gibberellins (physiology)</term>
<term>Petunia (metabolism)</term>
<term>Plant Growth Regulators (metabolism)</term>
<term>Signal Transduction (MeSH)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Extinction de l'expression des gènes (MeSH)</term>
<term>Facteur de croissance végétal (métabolisme)</term>
<term>Fleurs (croissance et développement)</term>
<term>Fleurs (métabolisme)</term>
<term>Fleurs (physiologie)</term>
<term>Gibbérellines (métabolisme)</term>
<term>Gibbérellines (pharmacologie)</term>
<term>Gibbérellines (physiologie)</term>
<term>Petunia (métabolisme)</term>
<term>Transduction du signal (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Gibberellins</term>
<term>Plant Growth Regulators</term>
</keywords>
<keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Fleurs</term>
</keywords>
<keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Flowers</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Flowers</term>
<term>Petunia</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Facteur de croissance végétal</term>
<term>Fleurs</term>
<term>Gibbérellines</term>
<term>Petunia</term>
</keywords>
<keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Gibbérellines</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Gibberellins</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Fleurs</term>
<term>Gibbérellines</term>
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<term>Gibberellins</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Gene Silencing</term>
<term>Signal Transduction</term>
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<front><div type="abstract" xml:lang="en">Emission of volatiles at advanced stages of flower development is a strategy used by plants to lure pollinators to the flower. We reveal that GA negatively regulates floral scent production in petunia. We used Agrobacterium-mediated transient expression of GA-20ox in petunia flowers and a virus-induced gene silencing approach to knock down DELLA expression, measured volatile emission, internal pool sizes and GA levels by GC-MS or LC-MS/MS, and analyzed transcript levels of scent-related phenylpropanoid-pathway genes. We show that GA has a negative effect on the concentrations of accumulated and emitted phenylpropanoid volatiles in petunia flowers; this effect is exerted through transcriptional/post-transcriptional downregulation of regulatory and biosynthetic scent-related genes. Both overexpression of GA20-ox, a GA-biosynthesis gene, and suppression of DELLA, a repressor of GA-signal transduction, corroborated GA's negative regulation of floral scent. We present a model in which GA-dependent timing of the sequential activation of different branches of the phenylpropanoid pathway during flower development may represent a link between the showy traits controlling pollinator attraction, namely color and scent.</div>
</front>
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<ArticleTitle>GA as a regulatory link between the showy floral traits color and scent.</ArticleTitle>
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<Abstract><AbstractText>Emission of volatiles at advanced stages of flower development is a strategy used by plants to lure pollinators to the flower. We reveal that GA negatively regulates floral scent production in petunia. We used Agrobacterium-mediated transient expression of GA-20ox in petunia flowers and a virus-induced gene silencing approach to knock down DELLA expression, measured volatile emission, internal pool sizes and GA levels by GC-MS or LC-MS/MS, and analyzed transcript levels of scent-related phenylpropanoid-pathway genes. We show that GA has a negative effect on the concentrations of accumulated and emitted phenylpropanoid volatiles in petunia flowers; this effect is exerted through transcriptional/post-transcriptional downregulation of regulatory and biosynthetic scent-related genes. Both overexpression of GA20-ox, a GA-biosynthesis gene, and suppression of DELLA, a repressor of GA-signal transduction, corroborated GA's negative regulation of floral scent. We present a model in which GA-dependent timing of the sequential activation of different branches of the phenylpropanoid pathway during flower development may represent a link between the showy traits controlling pollinator attraction, namely color and scent.</AbstractText>
<CopyrightInformation>© 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.</CopyrightInformation>
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</AffiliationInfo>
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<Initials>A</Initials>
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</Chemical>
<Chemical><RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D010937">Plant Growth Regulators</NameOfSubstance>
</Chemical>
<Chemical><RegistryNumber>BU0A7MWB6L</RegistryNumber>
<NameOfSubstance UI="C007842">gibberellic acid</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>IM</CitationSubset>
<MeshHeadingList><MeshHeading><DescriptorName UI="D035264" MajorTopicYN="N">Flowers</DescriptorName>
<QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D020868" MajorTopicYN="N">Gene Silencing</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D005875" MajorTopicYN="N">Gibberellins</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
<QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName>
<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D032306" MajorTopicYN="N">Petunia</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D010937" MajorTopicYN="N">Plant Growth Regulators</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D015398" MajorTopicYN="N">Signal Transduction</DescriptorName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">GA
</Keyword>
<Keyword MajorTopicYN="N">floral scent</Keyword>
<Keyword MajorTopicYN="N">petunia</Keyword>
<Keyword MajorTopicYN="N">phenylpropanoid</Keyword>
<Keyword MajorTopicYN="N">showy trait</Keyword>
<Keyword MajorTopicYN="N">volatile</Keyword>
</KeywordList>
</MedlineCitation>
<PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year>
<Month>11</Month>
<Day>30</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted"><Year>2017</Year>
<Month>01</Month>
<Day>31</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="pubmed"><Year>2017</Year>
<Month>3</Month>
<Day>7</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="medline"><Year>2018</Year>
<Month>5</Month>
<Day>2</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez"><Year>2017</Year>
<Month>3</Month>
<Day>7</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList><ArticleId IdType="pubmed">28262954</ArticleId>
<ArticleId IdType="doi">10.1111/nph.14504</ArticleId>
</ArticleIdList>
</PubmedData>
</pubmed>
<affiliations><list><country><li>Israël</li>
<li>Japon</li>
</country>
</list>
<tree><country name="Israël"><noRegion><name sortKey="Ravid, Jasmin" sort="Ravid, Jasmin" uniqKey="Ravid J" first="Jasmin" last="Ravid">Jasmin Ravid</name>
</noRegion>
<name sortKey="Aravena Calvo, Javiera" sort="Aravena Calvo, Javiera" uniqKey="Aravena Calvo J" first="Javiera" last="Aravena-Calvo">Javiera Aravena-Calvo</name>
<name sortKey="Cna Ani, Alon" sort="Cna Ani, Alon" uniqKey="Cna Ani A" first="Alon" last="Cna'Ani">Alon Cna'Ani</name>
<name sortKey="Farhi, Moran" sort="Farhi, Moran" uniqKey="Farhi M" first="Moran" last="Farhi">Moran Farhi</name>
<name sortKey="Masci, Tania" sort="Masci, Tania" uniqKey="Masci T" first="Tania" last="Masci">Tania Masci</name>
<name sortKey="Spitzer Rimon, Ben" sort="Spitzer Rimon, Ben" uniqKey="Spitzer Rimon B" first="Ben" last="Spitzer-Rimon">Ben Spitzer-Rimon</name>
<name sortKey="Vainstein, Alexander" sort="Vainstein, Alexander" uniqKey="Vainstein A" first="Alexander" last="Vainstein">Alexander Vainstein</name>
</country>
<country name="Japon"><noRegion><name sortKey="Takebayashi, Yumiko" sort="Takebayashi, Yumiko" uniqKey="Takebayashi Y" first="Yumiko" last="Takebayashi">Yumiko Takebayashi</name>
</noRegion>
<name sortKey="Seo, Mitsunori" sort="Seo, Mitsunori" uniqKey="Seo M" first="Mitsunori" last="Seo">Mitsunori Seo</name>
</country>
</tree>
</affiliations>
</record>

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	Serveur d'exploration sur l'agrobacterium et la transgénèse
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Serveur d'exploration sur l'agrobacterium et la transgénèse

GA as a regulatory link between the showy floral traits color and scent.

GA as a regulatory link between the showy floral traits color and scent.

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