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Regulation of Carotenoid Composition and Shoot Branching in Arabidopsis by a Chromatin Modifying Histone Methyltransferase, SDG8

Cazzonelli, Christopher; Cuttriss, Abby; Cossetto, Susan; Pye, William; Crisp, Peter; Whelan, James M; Finnegan, E. Jean; Turnbull, Colin; Pogson, Barry


Carotenoid pigments are critical for plant survival, and carotenoid composition is tuned to the developmental stage, tissue, and to environmental stimuli. We report the cloning of the CAROTENOID CHLOROPLAST REGULATORY1 (CCR1) gene. The ccr1 mutant has increased shoot branching and altered carotenoid composition, namely, reduced lutein in leaves and accumulation of cis-carotenes in dark-grown seedlings. The CCR1 gene was previously isolated as EARLY FLOWERING IN SHORT DAYS and encodes a histone...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: The Plant Cell
DOI: 10.1105/tpc.108.063131


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