Genome-Wide Analysis of MYB10 Transcription Factor in Fragaria and Identification of QTLs Associated with Fruit Color in Octoploid Strawberry

Manivannan, Abinaya; Han, Koeun; Lee, Sun Yi; Lee, Hye-Eun; Hong, Jong Pil; Kim, Jinhee; Lee, Ye Rin; Lee, Eun Su; Kim, Do-Sun

doi:10.3390/ijms222212587

Cited by 5 publications

(1 citation statement)

References 35 publications

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“…Different genome-scale DNA analyses have identified allelic variation in MYB10 as the main cause producing skin and flesh color variations in different species of Fragaria genus in nature ( Hawkins et al., 2016 ; Castillejo et al., 2020 ; Manivannan et al., 2021 ). In particular, four different polymorphisms in MYB10 have been described explaining the lack of anthocyanin in fruits from different accessions of F. vesca so far: (1) a G35C (W12S) SNP ( Hawkins et al., 2016 ; Zhang et al., 2017 ), (2) an insertion at the third exon (LTR retrotransposon), (3) a single nucleotide insertion at position 329, and (4) a large deletion in chromosome 1 that removes FvMYB10 ( Castillejo et al., 2020 ).…”

Section: Regulation Of the Phenylpropanoid Pathwaymentioning

confidence: 99%

Insights into transcription factors controlling strawberry fruit development and ripening

Sánchez-Gómez

Posé²,

Martín‐Pizarro³

2022

Front. Plant Sci.

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Fruit ripening is a highly regulated and complex process involving a series of physiological and biochemical changes aiming to maximize fruit organoleptic traits to attract herbivores, maximizing therefore seed dispersal. Furthermore, this process is of key importance for fruit quality and therefore consumer acceptance. In fleshy fruits, ripening involves an alteration in color, in the content of sugars, organic acids and secondary metabolites, such as volatile compounds, which influence flavor and aroma, and the remodeling of cell walls, resulting in the softening of the fruit. The mechanisms underlying these processes rely on the action of phytohormones, transcription factors and epigenetic modifications. Strawberry fruit is considered a model of non-climacteric species, as its ripening is mainly controlled by abscisic acid. Besides the role of phytohormones in the regulation of strawberry fruit ripening, a number of transcription factors have been identified as important regulators of these processes to date. In this review, we present a comprehensive overview of the current knowledge on the role of transcription factors in the regulation of strawberry fruit ripening, as well as in compiling candidate regulators that might play an important role but that have not been functionally studied to date.

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Section: Regulation Of the Phenylpropanoid Pathwaymentioning

confidence: 99%

Insights into transcription factors controlling strawberry fruit development and ripening

Sánchez-Gómez

Posé²,

Martín‐Pizarro³

2022

Front. Plant Sci.

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Deciphering the genetic architecture of fruit color in strawberry

Denoyes,

Prohaska,

Petit

et al. 2023

Journal of Experimental Botany

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Fruits of Fragaria species usually have an appealing bright red color due to the accumulation of anthocyanins, water-soluble flavonoid pigments. Octoploid cultivated strawberry (Fragaria x ananassa) is a major horticultural crop for which fruit color and associated nutritional value are main breeding targets. Great diversity in fruit color intensity and pattern is observed not only in cultivated strawberry but also in wild relatives such as its octoploid progenitor F. chiloensis or the diploid woodland strawberry F. vesca, a model for fruit species in the Rosaceae. This mini-review examines our understanding of fruit color formation in strawberry and how ongoing developments will advance it. Natural variations of fruit color as well as color changes during fruit development or in response to several cues have been used to explore the anthocyanin biosynthetic pathway and its regulation. So far, the successfull identification of causal genetic variants has been largely driven by the availability of high-throughput genotyping tools and high-quality reference genomes of F. vesca and F. x ananassa. The current completion of haplotype-resolved genomes of F. x ananassa combined with QTL mapping will accelerate the exploitation of the untapped genetic diversity of fruit color and help translate the findings into strawberry improvement.

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Transcriptome analysis of fruit development and identification of key transcription factors related to anthocyanin pathway in cultivated octoploid strawberry

Wang,

Zhang,

et al. 2023

Preprint

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The cultivated strawberry is a vital economic crop grown extensively worldwide. Recently, there has been more focus on breeding strawberry cultivars that produce high-quality fruit. Anthocyanin is a crucial determinant of the quality of strawberries. A transcriptomes analysis of fruits at various developmental stages of the 'Yanli' cultivar was performed to examine the mechanisms of anthocyanin accumulation in the process of fruit development of cultivated strawberries. We screened 33,617 differentially expressed genes whose average expression value was more significant than 2 in at least one sample. We classified these differentially expressed genes into nine categories based on k-mean clustering analysis. Furthermore, we recognized that anthocyanin synthesis-related genes’ promoter regions had a high consistency of conserved motifs with a similar expression pattern. By conducting a correlation analysis between seven anthocyanin pathway genes and various transcription factors, we identified 560 transcription factors that might involve in the anthocyanin biosynthesis pathway. In summary, we can identify a more significant number of prospective transcription factors in the anthocyanin pathway based on the haplotype-resolved genome of ‘Yanli’.

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Genome-Wide Analysis of MYB10 Transcription Factor in Fragaria and Identification of QTLs Associated with Fruit Color in Octoploid Strawberry

Cited by 5 publications

References 35 publications

Insights into transcription factors controlling strawberry fruit development and ripening

Insights into transcription factors controlling strawberry fruit development and ripening

Deciphering the genetic architecture of fruit color in strawberry

Transcriptome analysis of fruit development and identification of key transcription factors related to anthocyanin pathway in cultivated octoploid strawberry

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