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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 413 - 424 (12page)
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초록· 키워드
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Background Taproot skin color is a major trait for assessing the commercial and nutritional quality of radish, and red-skinned radish is confirmed to improve consumer’s interest and health. However, little is known about the molecular mechanisms responsible for controlling the formation of red-skinned radish. Objective This study aimed to identify the differentially expressed anthocyanin biosynthetic genes between red- and whiteskinned radishes and understand the molecular regulatory mechanism underlying red-skinned radish formation. Methods Based on the published complete genome sequence of radish, the digital gene expression profiles of Yangzhouyuanbai (YB, white-skinned) and Sading (SD, red-skinned) were analyzed using Illumina sequencing. Results A total of 3666 DEGs were identified in SD compared with YB. Interestingly, 46 genes encoded enzymes related to anthocyanin biosynthesis and 241 genes encoded transcription factors were identified. KEGG pathway analysis showed that the formation of red-skinned radish was mainly controlled by pelargonidin-derived anthocyanin biosynthetic pathway genes. This process included the upregulation of PAL, C4H, 4CL, CHS, CHI, F3H, DFR, LDOX, and UGT enzymes in SD. CHS genes were specifically expressed in SD, and it might be the key point for red pigment accumulation in red-skinned radish. Furthermore, MYB1/2/75, bHLH (TT8), and WD 40 showed higher expression in SD than in YB. Meanwhile, the corresponding low-abundance anthocyanin biosynthesis enzymes and upregulation of MYB4 might be the factors influencing the formation of white-skinned radish. Conclusion These findings provide new insights into the molecular mechanisms and regulatory network of anthocyanin biosynthesis in red-skinned radish.
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참고문헌 (60)
참고문헌 신청
Ballistreri G / 2019 / Polyphenols in plants, vol 13 / Elsevier :191~215
Borevitz JO / 2000 / Activation tagging identifies a conserved MYB regulator of phenylpropanoid biosynthesis / Plant Cell 12:2383~2394
Chen WH / 2011 / Downregulation of putative UDP-glucose : flavonoid 3-O-glucosyltransferase gene alters flower coloring in Phalaenopsis / Plant Cell Rep 30:1007~1017
Chen Y / 2014 / Transcriptome analysis of differentially expressed genes relevant to variegation in peach flowers / PLoS ONE 9:e90842
Chen F / 2015 / Genetic variations and evolutionary relationships among radishes (Raphanus sativus L.) with different flesh colors based on red pigment content, karyotype and simple sequence repeat analysis / Afr J Biotechnol 16:3270~3281
Borevitz JO / 2000 / Activation tagging identifies a conserved MYB regulator of phenylpropanoid biosynthesis / Plant Cell 12:2383~2394
Chen WH / 2011 / Downregulation of putative UDP-glucose : flavonoid 3-O-glucosyltransferase gene alters flower coloring in Phalaenopsis / Plant Cell Rep 30:1007~1017
Chen Y / 2014 / Transcriptome analysis of differentially expressed genes relevant to variegation in peach flowers / PLoS ONE 9:e90842
Chen F / 2015 / Genetic variations and evolutionary relationships among radishes (Raphanus sativus L.) with different flesh colors based on red pigment content, karyotype and simple sequence repeat analysis / Afr J Biotechnol 16:3270~3281
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