StMYB113 Promotes Anthocyanin Biosynthesis in Potato (Solanum tuberosum L.) Desiree Tubers

被引：5

作者：

Zhang, Zhonghua ^{[1
]}

Zhou, Jianhua ^{[2
]}

Zhao, Yanan ^{[1
]}

Zhao, Xijuan ^{[3
]}

Liu, Ju ^{[1
]}

Liu, Jingjing ^{[1
]}

Zhang, Juping ^{[1
]}

Song, Botao ^{[3
]}

Zhang, Huiling ^{[1
]}

机构：

[1] Henan Univ Sci & Technol, Coll Hort & Plant Protect, Luoyang 471000, Peoples R China

[2] Zhengzhou Vegetable Res Inst, Zhengzhou 450015, Peoples R China

[3] Huazhong Agr Univ, Coll Hort & Forestry Sci, Natl Key Lab Germplasm Innovat & Utilizat Hort Cro, Key Lab Potato Biol & Biotechnol,Minist Agr & Rura, Wuhan 430070, Peoples R China

来源：

POTATO RESEARCH | 2024年 / 67卷 / 01期

关键词：

Anthocyanin; Potato; StMYB113; Transcription activation; TRANSCRIPTION FACTORS; GENE; EXPRESSION; CLONING; TOOLS; FLESH; COLOR; AN1;

D O I：

10.1007/s11540-023-09639-3

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

MYB transcription factors play a key role in anthocyanin biosynthesis. However, there are few reports on MYB transcription factors that can regulate anthocyanin biosynthesis in potato. In this study, the StMYB113 gene was isolated from potato and characterized. Transient activation experiments showed that the StMYB113 gene could promote anthocyanin biosynthesis in tobacco leaves by enhancing the expression of genes encoding anthocyanin biosynthesis-related enzymes. In addition, overexpression of the StMYB113 gene promoted anthocyanin accumulation in potato tuber skin. Furthermore, transient luciferase analysis showed that StMYB113 enhanced the promoter activities of StF3H and StDFR genes significantly. These results indicated that the StMYB113 gene could promote anthocyanin accumulation in potato tuber skin by directly activating the expression of StF3H and StDFR. The promoter activity of StMYB113 was significantly higher in light than in dark conditions, suggesting that the expression of StMYB113 is induced by light. These findings illustrate the role and regulation of the StMYB113 gene in potato anthocyanin biosynthesis and enrich the regulatory theory of potato anthocyanin biosynthesis.

引用

页码：307 / 324

页数：18

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