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Literature summary for 3.1.2.4 extracted from

  • Dong, C.H.; Zolman, B.K.; Bartel, B.; Lee, B.H.; Stevenson, B.; Agarwal, M.; Zhu, J.K.
    Disruption of Arabidopsis CHY1 reveals an important role of metabolic status in plant cold stress signaling (2009), Mol. Plant, 2, 59-72.
    View publication on PubMedView publication on EuropePMC
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Cloned(Commentary)

Cloned (Comment) Organism
CHY1 cDNA cloned behind the 35S promoter in a binary vector, introduced into homozygous chy1-10 mutant plants by Agrobacterium tumefaciens strain GV3101 transformation Arabidopsis thaliana

Localization

Localization Comment Organism GeneOntology No. Textmining
peroxisome
-
 Arabidopsis thaliana 5777
-

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana
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-
-

Synonyms

Synonyms Comment Organism
beta-hydroxyisobutyryl-CoA hydrolase
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 Arabidopsis thaliana
CHY1
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 Arabidopsis thaliana
HIBYL-CoA hydrolase
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 Arabidopsis thaliana

General Information

General Information Comment Organism
malfunction the chy1-10 mutation disrupts a peroxisomal HIBYL-CoA hydrolase, causing reduced cold-induction of CBF3 promoter (CBF3-LUC) in chy1-10. Transcription factors (CBFs) also reduced in the chy1 mutant. Chy1-10 mutant plants are more sensitive to freezing treatment than wild-type after cold acclimation. Both the wild-type and chy1 mutant plants are sensitive to darkness-induced starvation at warm temperatures, although chy1 plants are slightly more sensitive. Chy1-10 is allelic to chy1-1 and chy1-3, all of the examined alleles disrupt HIBYL-CoA hydrolase activity similarly. CBF3 overexpression in chy1-10 partially rescues the mutant defects in cold and dark responses. Disruption of the HIBYL-CoA hydrolase causes accumulation of reactive oxygen species Arabidopsis thaliana
physiological function a role for peroxisomal metabolism in cold stress signaling, and plant tolerance to cold stress and darkness-induced starvation. Is needed for fatty acid beta-oxidation and valine catabolism Arabidopsis thaliana