The sensitive to freezing3 mutation of Arabidopsis thaliana is a cold-sensitive allele of homomeric acetyl-CoA carboxylase that results in cold-induced cuticle deficiencies

The sfr3 mutation causes freezing sensitivity in Arabidopsis thaliana. Mapping, sequencing, and transgenic complementation showed sfr3 to be a missense mutation in ACC1, an essential gene encoding homomeric (multifunctional) acetyl-CoA carboxylase. Cuticle permeability was compromised in the sfr3 mu...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 63(2012), 14 vom: 12. Sept., Seite 5289-99
1. Verfasser: Amid, Azura (VerfasserIn)
Weitere Verfasser: Lytovchenko, Anna, Fernie, Alisdair R, Warren, Gareth, Thorlby, Glenn J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Arabidopsis Proteins Acetyl-CoA Carboxylase EC 6.4.1.2
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520 |a The sfr3 mutation causes freezing sensitivity in Arabidopsis thaliana. Mapping, sequencing, and transgenic complementation showed sfr3 to be a missense mutation in ACC1, an essential gene encoding homomeric (multifunctional) acetyl-CoA carboxylase. Cuticle permeability was compromised in the sfr3 mutant when plants were grown in the cold but not in the warm. Wax deposition on the inflorescence stem of cold-grown sfr3 plants was inhibited and the long-chain components of their leaf cuticular wax were reduced compared with wild-type plants. Thus, freezing sensitivity of sfr3 appears, from these results, to be due to cuticular deficiencies that develop during cold acclimation. These observations demonstrated the essential role of the cuticle in tolerance to freezing and drought 
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700 1 |a Thorlby, Glenn J  |e verfasserin  |4 aut 
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