AustralieFrV1, Main, Exploration, bibRecord, 005E30

Biosynthesis of the Halogenated Auxin, 4-Chloroindole-3-Acetic Acid

Identifieur interne : 005E30 ( Main/Exploration ); précédent : 005E29; suivant : 005E31

Biosynthesis of the Halogenated Auxin, 4-Chloroindole-3-Acetic Acid

Auteurs : Nathan D. Tivendale [Australie] ; Sandra E. Davidson [Australie] ; Noel W. Davies [Australie] ; Jason A. Smith [Australie] ; Marion Dalmais [France] ; Abdelhafid I. Bendahmane [France] ; Laura J. Quittenden [Australie] ; Lily Sutton [Australie] ; Raj K. Bala [Australie] ; Christine Le Signor [France] ; Richard Thompson [France] ; James Horne [Australie] ; James B. Reid [Australie] ; John J. Ross [Australie]

Source :

Plant physiology : (Bethesda) [ 0032-0889 ] ; 2012.

RBID : Pascal:12-0308826

Descripteurs français

Pascal (Inist)
- Biosynthèse, Halogénation, Auxine, Acide acétique, Physiologie végétale.

English descriptors

KwdEn :
- Acetic acid, Auxin, Biosynthesis, Halogenation, Plant physiology.

Abstract

Seeds of several agriculturally important legumes are rich sources of the only halogenated plant hormone, 4-chloroindole-3-acetic acid. However, the biosynthesis of this auxin is poorly understood. Here, we show that in pea (Pisum sotivum) seeds, 4-chloroindole-3-acetic acid is synthesized via the novel intermediate 4-chloroindole-3-pyruvic acid, which is produced from 4-chlorotryptophan by two aminotransferases, TRYPTOPHAN AMINOTRANSFERASE RELATED1 and TRYPTOPHAN AMINOTRANSFERASE RELATED2. We characterize a tar2 mutant, obtained by Targeting Induced Local Lesions in Genomes, the seeds of which contain dramatically reduced 4-chloroindole-3-acetic acid levels as they mature. We also show that the widespread auxin, indole-3-acetic acid, is synthesized by a parallel pathway in pea.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3387693

Affiliations:

Australie, France

Le document en format XML

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<seriesStmt><title level="j" type="main">Plant physiology : (Bethesda)</title>
<title level="j" type="abbreviated">Plant physiol. : (Bethesda)</title>
<idno type="ISSN">0032-0889</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acetic acid</term>
<term>Auxin</term>
<term>Biosynthesis</term>
<term>Halogenation</term>
<term>Plant physiology</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Biosynthèse</term>
<term>Halogénation</term>
<term>Auxine</term>
<term>Acide acétique</term>
<term>Physiologie végétale</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Seeds of several agriculturally important legumes are rich sources of the only halogenated plant hormone, 4-chloroindole-3-acetic acid. However, the biosynthesis of this auxin is poorly understood. Here, we show that in pea (Pisum sotivum) seeds, 4-chloroindole-3-acetic acid is synthesized via the novel intermediate 4-chloroindole-3-pyruvic acid, which is produced from 4-chlorotryptophan by two aminotransferases, TRYPTOPHAN AMINOTRANSFERASE RELATED1 and TRYPTOPHAN AMINOTRANSFERASE RELATED2. We characterize a tar2 mutant, obtained by Targeting Induced Local Lesions in Genomes, the seeds of which contain dramatically reduced 4-chloroindole-3-acetic acid levels as they mature. We also show that the widespread auxin, indole-3-acetic acid, is synthesized by a parallel pathway in pea.</div>
</front>
</TEI>
<affiliations><list><country><li>Australie</li>
<li>France</li>
</country>
</list>
<tree><country name="Australie"><noRegion><name sortKey="Tivendale, Nathan D" sort="Tivendale, Nathan D" uniqKey="Tivendale N" first="Nathan D." last="Tivendale">Nathan D. Tivendale</name>
</noRegion>
<name sortKey="Bala, Raj K" sort="Bala, Raj K" uniqKey="Bala R" first="Raj K." last="Bala">Raj K. Bala</name>
<name sortKey="Davidson, Sandra E" sort="Davidson, Sandra E" uniqKey="Davidson S" first="Sandra E." last="Davidson">Sandra E. Davidson</name>
<name sortKey="Davies, Noel W" sort="Davies, Noel W" uniqKey="Davies N" first="Noel W." last="Davies">Noel W. Davies</name>
<name sortKey="Horne, James" sort="Horne, James" uniqKey="Horne J" first="James" last="Horne">James Horne</name>
<name sortKey="Quittenden, Laura J" sort="Quittenden, Laura J" uniqKey="Quittenden L" first="Laura J." last="Quittenden">Laura J. Quittenden</name>
<name sortKey="Reid, James B" sort="Reid, James B" uniqKey="Reid J" first="James B." last="Reid">James B. Reid</name>
<name sortKey="Ross, John J" sort="Ross, John J" uniqKey="Ross J" first="John J." last="Ross">John J. Ross</name>
<name sortKey="Smith, Jason A" sort="Smith, Jason A" uniqKey="Smith J" first="Jason A." last="Smith">Jason A. Smith</name>
<name sortKey="Sutton, Lily" sort="Sutton, Lily" uniqKey="Sutton L" first="Lily" last="Sutton">Lily Sutton</name>
</country>
<country name="France"><noRegion><name sortKey="Dalmais, Marion" sort="Dalmais, Marion" uniqKey="Dalmais M" first="Marion" last="Dalmais">Marion Dalmais</name>
</noRegion>
<name sortKey="Bendahmane, Abdelhafid I" sort="Bendahmane, Abdelhafid I" uniqKey="Bendahmane A" first="Abdelhafid I." last="Bendahmane">Abdelhafid I. Bendahmane</name>
<name sortKey="Le Signor, Christine" sort="Le Signor, Christine" uniqKey="Le Signor C" first="Christine" last="Le Signor">Christine Le Signor</name>
<name sortKey="Thompson, Richard" sort="Thompson, Richard" uniqKey="Thompson R" first="Richard" last="Thompson">Richard Thompson</name>
</country>
</tree>
</affiliations>
</record>

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Biosynthesis of the Halogenated Auxin, 4-Chloroindole-3-Acetic Acid

Biosynthesis of the Halogenated Auxin, 4-Chloroindole-3-Acetic Acid

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