Fine mapping of a novel QTL CsFSG1 for fruit skin gloss in cucumber (Cucumis sativus L.)

文献类型： 外文期刊

第一作者： Huang, Hongyu

作者： Huang, Hongyu;Kong, Weiliang;Li, Jiawang;Zhang, Lidong;Du, Yuefan;Long, Zhiqin;Lin, Tao;Liang, Bin;Li, Yuhe;Wang, Huizhe;Wei, Aimin;Du, Shengli;Yang, Ruihuan

作者机构：

关键词： Cucumber; Fruit skin gloss; Gene mapping; Cytochrome P450

期刊名称：MOLECULAR BREEDING （ 影响因子：3.297； 五年影响因子：3.011 ）

ISSN： 1380-3743

年卷期： 2022 年 42 卷 4 期

页码：

收录情况： SCI

摘要： Cucumber (Cucumis sativus L.) is an important vegetable crop that is popular with many people. Peel gloss is a highly valued external quality trait that affects the market value of cucumbers, and it directly influences the purchasing psychology of consumers. Nonetheless, the candidate genes and underlying genetic mechanism for this important cucumber trait are not well understood. In this study, we successfully mapped a fruit skin gloss QTL interval to chromosome 3 (26.04-26.14 Mb) using BSA and GWAS methods. Among the eleven candidate genes in the interval, the cytochrome P450 family gene CsCYP86B1 was identified as the candidate for control of fruit skin gloss in cucumber. The expression of CsCYP86B1 in 0-day fruit skin was significantly lower in the low-gloss isogenic line NIL-1334 than in the high-gloss isogenic line NIL-1325. Our findings provide new insights for improving fruit skin gloss in cucumber breeding.

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