Quantitative trait loci for glucosinolate accumulation in Brassica rapa leaves

Glucosinolates and their breakdown products have been recognized for their effects on plant defense, human health, flavor and taste of cruciferous vegetables. Despite this importance, little is known about the regulation of the biosynthesis and degradation in Brassica rapa. Here, the identification...

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Veröffentlicht in:The New phytologist. - 1979. - 179(2008), 4 vom: 15., Seite 1017-1032
1. Verfasser: Lou, Ping (VerfasserIn)
Weitere Verfasser: Zhao, Jianjun, He, Hongju, Hanhart, Corrie, Pino Del Carpio, Dunia, Verkerk, Ruud, Custers, Jan, Koornneef, Maarten, Bonnema, Guusje
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Glucosinolates
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520 |a Glucosinolates and their breakdown products have been recognized for their effects on plant defense, human health, flavor and taste of cruciferous vegetables. Despite this importance, little is known about the regulation of the biosynthesis and degradation in Brassica rapa. Here, the identification of quantitative trait loci (QTL) for glucosinolate accumulation in B. rapa leaves in two novel segregating double haploid (DH) populations is reported: DH38, derived from a cross between yellow sarson R500 and pak choi variety HK Naibaicai; and DH30, from a cross between yellow sarson R500 and Kairyou Hakata, a Japanese vegetable turnip variety. An integrated map of 1068 cM with 10 linkage groups, assigned to the international agreed nomenclature, is developed based on the two individual DH maps with the common parent using amplified fragment length polymorphism (AFLP) and single sequence repeat (SSR) markers. Eight different glucosinolate compounds were detected in parents and F(1)s of the DH populations and found to segregate quantitatively in the DH populations. QTL analysis identified 16 loci controlling aliphatic glucosinolate accumulation, three loci controlling total indolic glucosinolate concentration and three loci regulating aromatic glucosinolate concentrations. Both comparative genomic analyses based on Arabidopsis-Brassica rapa synteny and mapping of candidate orthologous genes in B. rapa allowed the selection of genes involved in the glucosinolate biosynthesis pathway that may account for the identified QTL 
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700 1 |a Zhao, Jianjun  |e verfasserin  |4 aut 
700 1 |a He, Hongju  |e verfasserin  |4 aut 
700 1 |a Hanhart, Corrie  |e verfasserin  |4 aut 
700 1 |a Pino Del Carpio, Dunia  |e verfasserin  |4 aut 
700 1 |a Verkerk, Ruud  |e verfasserin  |4 aut 
700 1 |a Custers, Jan  |e verfasserin  |4 aut 
700 1 |a Koornneef, Maarten  |e verfasserin  |4 aut 
700 1 |a Bonnema, Guusje  |e verfasserin  |4 aut 
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