An apple B-box protein, MdCOL11, is involved in UV-B- and temperature-induced anthocyanin biosynthesis

Bai, Songling; Saito, Takanori; Honda, C.; Hatsuyama, Yoshimichi; Ito, Akiko; Moriguchi, Takaya

doi:10.1007/s00425-014-2129-8

Cited by 124 publications

(126 citation statements)

References 59 publications

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“…In addition, the accumulation of anthocyanin in the RCSPs accompanies the maturation process, whereas European pears lose some of the red colour as the harvest time approaches, indicating that different triggers mediate the red colouration in these two species. In apple, bagging-induced colouration is mainly mediated by light and enhanced by a relatively low ambient temperature 7, 28 . This probably involves light-responsive genes, such as HY5 and COP1 , and the flavonoid biosynthesis pathway 22, 23 .…”

Section: Discussionmentioning

confidence: 99%

“…However, how MYB10 is transcriptionally regulated is still not clear, except that it involves HY5 and the B-box gene MdCOL11 22, 28 . In our dataset, PpMYB10 was categorised in the middle light-responsive gene set that had peaked expression levels 24 h after bag removal.…”

Section: Discussionmentioning

confidence: 99%

“…Some members of the COL family have been characterized as positive regulators of anthocyanin biosynthesis. The overexpression of apple MdCOL11 in Arabidopsis increased anthocyanin biosynthesis and promoted earlier flowering under long-day conditions 28 . PpCOL5 is also a member of the COL family.…”

Section: Discussionmentioning

confidence: 99%

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Transcriptome analysis of bagging-treated red Chinese sand pear peels reveals light-responsive pathway functions in anthocyanin accumulation

Bai

Sun

Qian

et al. 2017

Sci Rep

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Bagging is an efficient method to improve fruit colour development. This work reported a transcriptome analysis using bagging-treated red Chinese sand pear peels. In total, 8,870 differentially expressed genes were further analysed by a weighted gene co-expression network analysis and early-, middle- and late light-responsive genes were identified. An annotation analysis revealed several pathways involved in the different responsive stages. The presence of LONG HYPOCOTLY 5, CRY-DASH and a CONSTANS-like transcription factors among the early light-responsive genes indicated the pivotal role of light, especially blue light, in the biological changes that occurred after bag removal. Other light-responsive transcription factors were also identified from the three light-responsive stages. In addition, the light-responsive pattern of anthocyanin biosynthetic genes differed among the biosynthetic steps. Although yeast-one hybrid assay showed that most of the structural genes were regulated by PpMYB10, their different temporal expressive pattern suggested that besides PpMYB10, other light-responsive transcriptional factors were also involved in the regulation of anthocyanin biosynthesis. In summary, our transcriptome analysis provides knowledge of the transcriptional regulatory network operating during light responses, which results in anthocyanin accumulation and other significant physiological changes in red Chinese sand pear peels after bag removal.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Transcriptome analysis of bagging-treated red Chinese sand pear peels reveals light-responsive pathway functions in anthocyanin accumulation

Bai

Sun

Qian

et al. 2017

Sci Rep

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“…MdHY5 and MdCOL11 were shown to be involved in regulating anthocyanin biosynthesis in apple fruit skin in response to light and/or low temperature Bai et al, 2014;Peng et al, 2013). Li et al (2012) demonstrated that MdCOP1 negatively regulated anthocyanin biosynthesis in the skin of apple fruit by modulating the degradation of MdMYB1, whereas Peng et al (2013) reported that MdCOP1 activated MdHY5 signaling, which stimulated pigment formation in the fruit skin.…”

Section: Discussionmentioning

confidence: 99%

Anthocyanin Biosynthesis in Apple Fruit

Honda

Moriya

2018

Hortic J

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Anthocyanin accumulation is responsible for the red color of the skin and flesh of apple fruits (Malus × domestica Borkh.), and redder fruits are more marketable. Pigmentation in the skin of apple fruit varies among different cultivars and is influenced by environmental factors, including temperature conditions and the level of sunlight irradiation. Because warmer temperatures suppress anthocyanin synthesis in the skin of apple fruit, there are increasing concerns that global warming may be detrimental to fruit pigmentation. Recent molecular studies have revealed that the MdMYB1 gene, which encodes a transcription factor, plays a critical role in regulating anthocyanin synthesis in both the skin and flesh of apple fruits. A marker-assisted selection process has been developed to identify MdMYB1 genotypes and predict those fruits that will develop redder skin. These apples may be better adapted to a warmer global climate. The application of hormones can also increase the level of pigmentation in fruit skin, and plant growth regulators such as ethylene and jasmonate are commercially available. The mechanisms that regulate anthocyanin biosynthesis in the flesh of red-fleshed apple fruit appear to partially differ from those that function in the skin of red-skinned fruit. In the flesh of red-fleshed fruit, the pigment accumulates under dark conditions, whereas no anthocyanin is synthesized in the skin of bagged apple fruit. Conversely, in both red-skinned and red-fleshed apple fruits, warmer temperatures inhibit anthocyanin accumulation. Further studies on the regulation of anthocyanin synthesis in the flesh of red-fleshed apple fruit are necessary.

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“…The lengths of hypocotyls were measured with free software ImageJ 3 (Bai et al, 2014). The experiments were based on the average of three parallel experiments.…”

Section: Methodsmentioning

confidence: 99%

Apple F-Box Protein MdMAX2 Regulates Plant Photomorphogenesis and Stress Response

et al. 2016

Front. Plant Sci.

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MAX2 (MORE AXILLARY GROWTH2) is involved in diverse physiological processes, including photomorphogenesis, the abiotic stress response, as well as karrikin and strigolactone signaling-mediated shoot branching. In this study, MdMAX2, an F-box protein that is a homolog of Arabidopsis MAX2, was identified and characterized. Overexpression of MdMAX2 in apple calli enhanced the accumulation of anthocyanin. Ectopic expression of MdMAX2 in Arabidopsis exhibited photomorphogenesis phenotypes, including increased anthocyanin content and decreased hypocotyl length. Further study indicated that MdMAX2 might promote plant photomorphogenesis by affecting the auxin signaling as well as other plant hormones. Transcripts of MdMAX2 were noticeably up-regulated in response to NaCl and Mannitol treatments. Moreover, compared with the wild-type, the MdMAX2-overexpressing apple calli and Arabidopsis exhibited increased tolerance to salt and drought stresses. Taken together, these results suggest that MdMAX2 plays a positive regulatory role in plant photomorphogenesis and stress response.

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An apple B-box protein, MdCOL11, is involved in UV-B- and temperature-induced anthocyanin biosynthesis

Cited by 124 publications

References 59 publications

Transcriptome analysis of bagging-treated red Chinese sand pear peels reveals light-responsive pathway functions in anthocyanin accumulation

Transcriptome analysis of bagging-treated red Chinese sand pear peels reveals light-responsive pathway functions in anthocyanin accumulation

Anthocyanin Biosynthesis in Apple Fruit

Apple F-Box Protein MdMAX2 Regulates Plant Photomorphogenesis and Stress Response

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