Expansin gene expression and anoxic coleoptile elongation in rice cultivars

Coleoptiles of rice seeds that germinate under anoxia usually elongate to a length far exceeding the elongation that takes place under aerobic conditions. It has been suggested that expansins play a role in this process, but studies examining correlations between transcript levels of expansin genes...

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Veröffentlicht in:Journal of plant physiology. - 1979. - 166(2009), 14 vom: 15. Sept., Seite 1576-80
1. Verfasser: Magneschi, Leonardo (VerfasserIn)
Weitere Verfasser: Kudahettige, Rasika Lasanthi, Alpi, Amedeo, Perata, Pierdomenico
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Plant Proteins
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520 |a Coleoptiles of rice seeds that germinate under anoxia usually elongate to a length far exceeding the elongation that takes place under aerobic conditions. It has been suggested that expansins play a role in this process, but studies examining correlations between transcript levels of expansin genes and anoxic growth of rice coleoptiles are limited. In this study, we used real-time quantitative PCR (qPCR) analysis to develop a picture of expansin gene expression (seven alpha- and eight beta-expansins) (EXPA and EXPB) in two rice cultivars showing long (cv. Arborio Precoce) or short (cv. Lamone) coleoptiles when germinated under anoxia. Our qPCR analysis suggested up-regulation occurred for several expansin genes in anoxic coleoptiles in both rice cultivars. However, we found no correlation between transcript levels and the ability to elongate the coleoptile under anoxia 
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700 1 |a Perata, Pierdomenico  |e verfasserin  |4 aut 
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