A gene family encoding glutathione peroxidase homologues in Hordeum vulgare (barley)
Identifieur interne : 003060 ( Main/Exploration ); précédent : 003059; suivant : 003061A gene family encoding glutathione peroxidase homologues in Hordeum vulgare (barley)
Auteurs : Yuri Churin [Allemagne] ; Silke Schilling [Allemagne] ; Thomas Börner [Allemagne]Source :
- FEBS Letters [ 0014-5793 ] ; 1999.
Abstract
We have isolated and characterised three barley cDNAs encoding glutathione peroxidase (GPX) homologues, designated HVGPH1, HVGPH2 and HVGPH3. HVGPH1 may represent a cytosolic form of GPX. The structure of the HVGPH2 N-terminal domain is typical for a plastid transit peptide. A potential peroxisomal targeting sequence occurs near the N-terminus of HVGPH3. Transcript levels of HVGPH1 and HVGPH2 were increased in leaves undergoing stress. In contrast, HVGPH3 mRNA accumulation showed a negative response to stress. Our data indicate that the barley genome bears a small gene family encoding GPX homologues differing in their function and cellular localisation.
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DOI: 10.1016/S0014-5793(99)01208-9
Affiliations:
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HVGPH1 may represent a cytosolic form of GPX. The structure of the HVGPH2 N-terminal domain is typical for a plastid transit peptide. A potential peroxisomal targeting sequence occurs near the N-terminus of HVGPH3. Transcript levels of HVGPH1 and HVGPH2 were increased in leaves undergoing stress. In contrast, HVGPH3 mRNA accumulation showed a negative response to stress. Our data indicate that the barley genome bears a small gene family encoding GPX homologues differing in their function and cellular localisation.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country><region><li>Berlin</li></region><settlement><li>Berlin</li></settlement></list><tree><country name="Allemagne"><region name="Berlin"><name sortKey="Churin, Yuri" sort="Churin, Yuri" uniqKey="Churin Y" first="Yuri" last="Churin">Yuri Churin</name></region><name sortKey="Borner, Thomas" sort="Borner, Thomas" uniqKey="Borner T" first="Thomas" last="Börner">Thomas Börner</name><name sortKey="Borner, Thomas" sort="Borner, Thomas" uniqKey="Borner T" first="Thomas" last="Börner">Thomas Börner</name><name sortKey="Schilling, Silke" sort="Schilling, Silke" uniqKey="Schilling S" first="Silke" last="Schilling">Silke Schilling</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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