NDLI: Light affects anthocyanin biosynthesis via transcriptional regulation of COP1 in the ever-red leaves of crabapple M.cv. ‘Royalty’

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Light affects anthocyanin biosynthesis via transcriptional regulation of COP1 in the ever-red leaves of crabapple M.cv. ‘Royalty’

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Brazilian Journal of Botany : Volume 39, Issue 1, March 2016

Brazilian Journal of Botany : Volume 38

Brazilian Journal of Botany : Volume 37

Brazilian Journal of Botany : Volume 36

Light affects anthocyanin biosynthesis via transcriptional regulation of COP1 in the ever-red leaves of crabapple M.cv. ‘Royalty’

Content Provider	Springer Nature Link
Author	Hao, Suxiao Liu, Na Bu, Yufen Yao, Yuncong Yang, Shaolan Lu, Yanfen
Copyright Year	2016
Abstract	The rare ever-red crabapple (Malus spp.) leaves have importantly ornamental and medicinal traits, and their coloration is regulated by light conditions. However, little is known about the molecular mechanism of the red color formation via anthocyanin biosynthesis mediated by upstream regulators of light signaling under different light conditions. We selected the ever-red leaf cultivar, M.cv. ‘Royalty,’ to investigate the expression profile of various factors under dark conditions. The factors studied include the photoreceptors McphyA and McphyB, the ubiquitin E3 ligase McCOP1, the transcription factor McMYB10, the MBW complex, the main structural genes in anthocyanin biosynthesis, and the photomorphogenesis transcription factors McbZIP and McHY5. Our results indicated that under dark conditions McCOP1 expression was up-regulated, while the expression of other factors studied was down-regulated, leading to decreased expression of the structural genes involved in anthocyanin biosynthesis and reduction in anthocyanin content. Interestingly, when McCOP1 was silenced in the leaves, the expression of McMYB10, McbHLH, McWD40, McbZIP, and McHY5 was markedly up-regulated, resulting in the up-regulation of the structural genes including McF3H, McFLS, McDFR, and McUFGT and the subsequent accumulation of anthocyanins compared with leaves treated with empty vector. These data demonstrate that darkness negatively regulates the coloration of the ever-red leaves by regulating McCOP1 expression, further inhibiting the expression of McMYB10 and the structural genes in anthocyanin biosynthesis. These results may provide important insight into the breeding of color-leafed plants.
Starting Page	659
Ending Page	667
Page Count	9
File Format	PDF
ISSN	01008404
Journal	Brazilian Journal of Botany
Volume Number	39
Issue Number	2
e-ISSN	18069959
Language	English
Publisher	Springer International Publishing
Publisher Date	2016-06-01
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Anthocyanin biosynthesis Plant Systematics/Taxonomy/Biogeography McCOP1 Breeding McMYB10 Crabapple
Content Type	Text
Resource Type	Article
Subject	Plant Science

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Erratum to: Light affects anthocyanin biosynthesis via transcriptional regulation of COP1 in the ever-red leaves of crabapple Malus cv. ‘Royalty’

Erratum to: Light affects anthocyanin biosynthesis via transcriptional regulation of COP1 in the ever-red leaves of crabapple Malus cv. ‘Royalty’

McMYB10 Modulates the Expression of a Ubiquitin Ligase, McCOP1 During Leaf Coloration in Crabapple

The RNA Directed DNA Methylation (RdDM) Pathway Regulates Anthocyanin Biosynthesis in Crabapple (Malus cv. spp.) Leaves by Methylating the McCOP1 Promoter

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McMYB10 regulates coloration via activatingMcF3′Hand later structural genes in ever-red leaf crabapple

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Light affects anthocyanin biosynthesis via transcriptional regulation of COP1 in the ever-red leaves of crabapple M.cv. ‘Royalty’

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Light affects anthocyanin biosynthesis via transcriptional regulation of COP1 in the ever-red leaves of crabapple M.cv. ‘Royalty’