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Article

Carotenoid isomerase is key determinant of petal color of Calendula officinalis.

The Journal of biological chemistry - 2 Jan 2012

Kishimoto Sanae, Ohmiya Akemi

Abstract excerpt

Orange petals of calendula (Calendula officinalis) accumulate red carotenoids with the cis-configuration at the C-5 or C-5' position (5-cis-carotenoids). We speculated that the orange-flowered calendula is a carotenoid isomerase (crtiso) loss-of-function mutant that impairs the cis-to-trans conversion of 5-cis-carotenoids. We compared the sequences and enzyme activities of CRTISO from orange- and yellow-flowered...

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Share to Sequence Homology, Amino Acid
Share to Carotenoids
Share to cis-trans-Isomerases

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Share to Cloning, Molecular

Share to Gene Expression Regulation, Plant

Share to Mutagenesis, Site-Directed

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Source

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Identifiers

PMID: 22069331
DOI: 10.1074/jbc.M111.300301
PMCID: PMC3249078

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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