Transcriptomic analysis of bagging-treated ‘Pingguo’ pear shows that MYB4-like1, MYB4-like2, MYB1R1 and WDR involved in anthocyanin biosynthesis are up-regulated in fruit peels in response to light

Bingyan, Liu; Wang, Liang; Wang, Shouming; Li, Weijia; Liu, Di; Guo, Xijie; Bai-hong, QU

doi:10.1016/j.scienta.2018.09.040

Cited by 25 publications

(8 citation statements)

References 43 publications

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“…However, unlike the previous study in which MYC2 is a negative regulator of blue-light–induced photomorphogenesis ( Yadav et al., 2005 ). CaMYC2 - like was positively expressed correlated with variation tendency of key anthocyanin biosynthetic genes under 2 h and 4 h of blue-light spectrum treatment compared with white light in our present study, and this indicated its important role in anthocyanin biosynthetic pathway regulated by blue light ( Liu et al., 2019 ).…”

Section: Discussionsupporting

confidence: 65%

Transcriptome analysis reveals the mechanism for blue-light–induced biosynthesis of delphinidin derivatives in harvested purple pepper fruit

Gao,

Dou,

Wang

et al. 2023

Front. Plant Sci.

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Anthocyanins are the main pigments that affect the color and quality of purple-fruited sweet pepper (Capsicum annuum). Our previous study indicated that blue light can induce anthocyanin accumulation in purple pepper. In view of its underlying mechanism that is unclear, here, anthocyanin content was determined, and transcriptome analysis was performed on pepper fruits harvested from different light treatments. As a result, among the identified anthocyanin metabolites, the levels of delphinidin (Dp) glycosides, including Dp-3-O-rhamnoside, Dp-3-O-rutinoside, and Dp-3-O-glucoside, were highly accumulated in blue-light–treated fruit, which are mainly responsible for the appearance color of purple pepper. Correlation between anthocyanin content and transcriptomic analysis indicated a total of 1,619 upregulated genes were found, of which six structural and 12 transcription factor (TF) genes were involved in the anthocyanin biosynthetic pathway. Structural gene, for instance, CaUFGT as well as TFs such as CaMYC2-like and CaERF113, which were highly expressed under blue light and presented similar expression patterns consistent with Dp glycoside accumulation, may be candidate genes for anthocyanin synthesis in response to blue-light signal.

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Section: Discussionsupporting

confidence: 65%

Transcriptome analysis reveals the mechanism for blue-light–induced biosynthesis of delphinidin derivatives in harvested purple pepper fruit

Gao,

Dou,

Wang

et al. 2023

Front. Plant Sci.

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“…More recently Zhu et al [91] have investigated the light-response patterns of 27 pear cultivars after bagging confirming that MYB10, bHLH33 and WD40 genes regulate the anthocyanin biosynthesis and that the expression of HY5, PHYA, COP1, DET and PIF3 genes are also part of the color regulatory mechanisms in response to light. paper anthocyanin increase and upregulation of MYB genes at day 9 after bag removal [93] In peach, Zhou et al [83] studied a red flesh variety showing that the color develops due to the expression of PpMYB10.1, which is activated by NAC transcription factors, in concert with the downregulation of the repressor PpSPL1. As with apples and pears, peach fruit bagging gives different results depending on the cultivar and the bag material [94].…”

Section: Bagging and The Color Of Fruitsmentioning

confidence: 99%

Influence of Bagging on the Development and Quality of Fruits

Ali

Anwar

Ahmed

et al. 2021

Plants

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Fruit quality is certainly influenced by biotic and abiotic factors, and a main quality attribute is the external appearance of the fruit. Various possible agronomical approaches are able to regulate the fruit microenvironment and, consequently, improve fruit quality and market value. Among these, fruit bagging has recently become an integral part of fruits’ domestic and export markets in countries such as Japan, China, Korea Australia and the USA because it is a safe and eco-friendly technique to protect fruits from multiple stresses, preserving or improving the overall quality. Despite increasing global importance, the development of suitable bagging materials and, above all, their use in the field is quite laborious, so that serious efforts are required to enhance and standardize bagging material according to the need of the crops/fruits. This review provides information about the effects of bagging technique on the fruit aspect and texture, which are the main determinants of consumer choice.

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“…In light signal transduction, phytochromes and their downstream factors, such as COP1 (CONSTITUTIVE PHOTOMORPHOGENIC1), HY5 (LONG HYPOCOTYL 5), and other TFs participate in light-induced anthocyanin biosynthesis ( Maier et al., 2013 ; Meng and Liu, 2015 ; Hoai Nguyen, 2020 ; Bhatia et al., 2021 ; Ma et al., 2021b ). In this biological process, expression of structural genes and regulatory genes, except WD40, is strongly dependent upon the existence of light ( Takos et al., 2006 ; Bai et al., 2017 ; Hong et al., 2019 ; Liu et al., 2019 ). Interestingly, less- and non-photosensitive biosynthesis of anthocyanins has been reported in cherry, chrysanthemum, mango, turnip, grape and eggplant ( Huang et al., 2016 ; Yang et al., 2017 ; Guo et al., 2018 ; He et al., 2019 ; Zha et al., 2019 ; Shi et al., 2021 ), although the underlying mechanism is still unclear.…”

Section: Introductionmentioning

confidence: 99%

Identification of candidate genes associated with less-photosensitive anthocyanin phenotype using an EMS mutant (pind) in eggplant (Solanum melongena L.)

Luo,

Molthoff,

et al. 2023

Front. Plant Sci.

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Eggplant (Solanum melongena L.) is a highly nutritious and economically important vegetable crop. However, the fruit peel of eggplant often shows poor coloration owing to low-light intensity during cultivation, especially in the winter. The less-photosensitive varieties produce anthocyanin in low light or even dark conditions, making them valuable breeding materials. Nevertheless, genes responsible for anthocyanin biosynthesis in less-photosensitive eggplant varieties are not characterized. In this study, an EMS mutant, named purple in the dark (pind), was used to identify the key genes responsible for less-photosensitive coloration. Under natural conditions, the peel color and anthocyanin content in pind fruits were similar to that of wildtype ‘14-345’. The bagged pind fruits were light purple, whereas those of ‘14-345’ were white; and the anthocyanin content in the pind fruit peel was significantly higher than that in ‘14-345’. Genetic analysis revealed that the less-photosensitive trait was controlled by a single dominant gene. The candidate gene was mapped on chromosome 10 in the region 7.72 Mb to 11.71 Mb. Thirty-five differentially expressed genes, including 12 structural genes, such as CHS, CHI, F3H, DFR, ANS, and UFGT, and three transcription factors MYB113, GL3, and TTG2, were identified in pind using RNA-seq. Four candidate genes EGP21875 (myb domain protein 113), EGP21950 (unknown protein), EGP21953 (CAAX amino-terminal protease family protein), and EGP21961 (CAAX amino-terminal protease family protein) were identified as putative genes associated with less-photosensitive anthocyanin biosynthesis in pind. These findings may clarify the molecular mechanisms underlying less-photosensitive anthocyanin biosynthesis in eggplant.

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Transcriptomic analysis of bagging-treated ‘Pingguo’ pear shows that MYB4-like1, MYB4-like2, MYB1R1 and WDR involved in anthocyanin biosynthesis are up-regulated in fruit peels in response to light

Cited by 25 publications

References 43 publications

Transcriptome analysis reveals the mechanism for blue-light–induced biosynthesis of delphinidin derivatives in harvested purple pepper fruit

Transcriptome analysis reveals the mechanism for blue-light–induced biosynthesis of delphinidin derivatives in harvested purple pepper fruit

Influence of Bagging on the Development and Quality of Fruits

Identification of candidate genes associated with less-photosensitive anthocyanin phenotype using an EMS mutant (pind) in eggplant (Solanum melongena L.)

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