Glucosinolate Profiles in Different Organs of 111 Radish Accessions and Candidate Genes Involved in Converting Glucobrassicin to 4-Hydroxyglucobrassicin
文献类型： 外文期刊
作者： Wang, Yanping 1 ; Wang, Qingbiao 1 ; Sun, Honghe 1 ; Zhang, Ziye 1 ; Qan, Huihui 1 ; Zhao, Xuezhi 4 ; He, Hongju 4 ; Zhang, Li 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Vegetable Sci, Beijing 100097, Peoples R China
2.Minist Agr & Rural Affairs Peoples Republ China, Key Lab Biol & Genet Improvement Hort Crops North, Beijing 100097, Peoples R China
3.Beijing Key Lab Vegetable Germplasm Improvement, Beijing 100097, Peoples R China
4.Beijing Acad Agr & Forestry Sci, Inst Agri Food Proc & Nutr, Beijing 100097, Peoples R China
关键词： radish; glucosinolate; genotype; organs; RsCYP81F1/2/3
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.895； 五年影响因子：6.048 ）
ISSN： 0021-8561
年卷期： 2022 年 70 卷 2 期
页码：
收录情况： SCI
摘要： Glucosinolate (GSL) not only has highly physiological function for plants but also has considerable human interest. We analyzed the GSL compositions and levels in four organs of 111 radish accessions. Seven major GSLs were detected (approximately 5-245 mu mol g(-1) DW), among which 4-(methylsulfinyl)but-3-enyl GSL and 4-methylsulfanyl-3-butenyl GSL were the dominant GSLs. GSL levels varied substantially among species and groups, and some genotypes/groups with special GSL profiles were identified. The total GSL level was higher in seeds than in sprouts, taproots, and leaves. Additionally, a correlation analysis revealed that seed 4-(methylsulfinyl)but-3-enyl GSL levels were highly correlated with sprout GSL levels. Moreover, a candidate gene (RsCYP81F2.3) encoding an enzyme that catalyzes the conversion of indol-3-ylmethyl GSL to 4-hydroxyindol-3-ylmethyl GSL was identified based on the detection and analysis of three radish accessions with relatively high indol-3-ylmethyl GSL, low 4-hydroxyindol-3-ylmethyl GSL, and 4-methoxyindol-3-ylmethyl GSL levels in their seeds. Our results provide some insights for finding materials and genes relevant for breeding new varieties with ideal GSL compositions and levels.
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