Gene: AT4G32810 (Arabidopsis thaliana)

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Gene Identifier
AT4G32810
Transcript Identifier
AT4G32810.1
Gene Type
Coding gene
Location
4 : 15828348-15831299 : positive

Family

Gene family
HOM03M002869
(29 genes in 15 species)
specific family

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Descriptions

Description
carotenoid cleavage dioxygenase 8
Curated Summary
Encodes a protein with similarity to carotenoid cleaving deoxygenases, the enzymes that cleave beta-carotene. Involved in the production of a graft transmissable signal to suppress axillary branching. Protein is localized to chloroplast stroma and expressed primarily in root tip. Mutants in the gene exhibit increased shoot branching, and light-dependent defects in hook opening and hypocotyl/root elongation. Only upregulated by auxin in the root and hypocotyl, and this is not required for the inhibition of shoot branching.
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Identifiers

Identifier Name
aliascarotenoid cleavage dioxygenase 8
aliasCCD8
aliasATCCD8
aliasMORE AXILLARY BRANCHING 4
aliasMAX4
uniprotQ8VY26

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Biological Process

GO termEvidence(s)ProviderDescriptionSource
GO:0009733IMPUniProtresponse to auxin1 2 3 4 5 6 7 8 9 10 11
GO:0010223IMP, IGIUniProtsecondary shoot formation1 2 3 4 5 6 7 8 9 10 11 12
GO:0009850IMPGene Ontologyauxin metabolic process1
GO:0009965IMPUniProtleaf morphogenesis1 2 3 4 5 6 7 8 9 10 11
GO:0016121IDAUniProtcarotene catabolic process1 2 3 4 5 6 7 8 9 10 11
GO:0016124IDAUniProtxanthophyll catabolic process1 2 3 4 5 6 7 8 9 10 11
GO:0009926IMPUniProtauxin polar transport1 2 3 4 5 6 7 8 9 10 11
GO:0009830RCAGene Ontologycell wall modification involved in abscission1
GO:1901601IDAUniProtstrigolactone biosynthetic process1 2 3 4 5 6 7 8 9 10

Molecular Function

GO termEvidence(s)ProviderDescriptionSource
GO:0016702IDA, ISSUniProtoxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen1 2 3 4 5 6 7 8 9 10 11
GO:0046872IEAUniProtmetal ion binding1 2 3 4 5 6 7 8 9 10

Cellular Component

GO termEvidence(s)ProviderDescriptionSource
GO:0009507ISM, NAS, RCAGene Ontologychloroplast1 2 3
GO:0009570IDAUniProtchloroplast stroma1 2 3 4 5 6 7 8 9 10 11

Color Legend

Experimental Evidence
Electronic Evidence
Computational Reviewed Evidence
GO Sources:   Primary     Orthology     Homology  
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InterPro Description
IPR004294Carotenoid oxygenase

Mapman id Description
17.1.1hormone metabolism.abscisic acid.synthesis-degradation
No SignalP domains detected for this gene.