2019
DOI: 10.1093/jxb/erz182
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The multi-allelic APRR2 gene is associated with fruit pigment accumulation in melon and watermelon

Abstract: Color and pigment contents are important aspects of fruit quality and consumer acceptance of cucurbit crops. Here, we describe the independent mapping and cloning of a common causative APRR2 gene regulating pigment accumulation in melon and watermelon. We initially show that the APRR2 transcription factor is causative for the qualitative difference between dark and light green rind in both crops. Further analyses establish the link between sequence or expression level variations in the CmAPRR2 gene and pigment… Show more

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Cited by 96 publications
(85 citation statements)
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References 49 publications
(101 reference statements)
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“…Similarly, the American cantaloupe Reticulatus varieties are orange-fleshed while the Galia Reticulatus are green-fleshed. Flesh color is also determined by relatively few genes [40,[43][44][45], but the associated pleiotropic metabolomic effects due to chloroplast to chromoplast transformations are expected to be large.…”
Section: Cantalupensis and Reticulatus Accessions Are Separated From mentioning
confidence: 99%
“…Similarly, the American cantaloupe Reticulatus varieties are orange-fleshed while the Galia Reticulatus are green-fleshed. Flesh color is also determined by relatively few genes [40,[43][44][45], but the associated pleiotropic metabolomic effects due to chloroplast to chromoplast transformations are expected to be large.…”
Section: Cantalupensis and Reticulatus Accessions Are Separated From mentioning
confidence: 99%
“…With a GWAS study, Oren found that the APRR2 gene is associated with fruit pigment accumulation in both melon and watermelon, and the gene CICG09G012330 in watermelon was selected as the candidate gene for the light green phenotype. Alternative splicing was speculated to be responsible for a 16-bp deletion in the mRNA of the light rind parent [13]. In the present study, the transcriptional level in the light green material WT2 was also considerably different from that in the dark green material WM102 (Fig.…”
Section: Discussionmentioning
confidence: 45%
“…Weetman proposed the hypothesis that there existing two genes responsible for the foreground stripe pattern and background color, respectively [12]. With help of GWAS analysis, Oren found that a 16-bp deletion in gene CICG09G012330 is the key factor for the light/dark green appearance [13]. With two constructed families, Kumar found that the solid dark green appearance follows a duplicate dominant epistasis fashion [14].…”
Section: Introductionmentioning
confidence: 99%
“…In watermelon, a gene numbered ClCG08G017810 that encodes a 2phytyl-1,4-beta-naphthoquinone methyltransferase protein was speculated to be associated with formation of dark green rind color (Li et al, 2019). But according to another study, the transcription factor CmAPRR2 was identified as causative for the qualitative difference between dark and light green rind both in melon and watermelon (Oren et al, 2019). The transcription factors often participate pigment development and rind coloration in plant, but according to the watermelon genome information, no transcription factor was found in the mapped region, the gene for watermelon yellow rind may be not a transcription factor.…”
Section: Discussionmentioning
confidence: 99%