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Identification of soft rot resistance loci in Brassica rapa with SNP markers
文献摘要：
Soft rot caused by Pectobacterium carotovorum (Pc) is a devastating disease of Brassica rapa, causing substantial reductions in crop yield and quality. Identifying genes related to soft rot resistance is the key to solving this problem. To characterize soft rot resistance, we screened a soft rot-susceptible Chinese cabbage (A03), a resistant pakchoi ('Huaguan'), and a resistant mutant (sr). An F2 population was generated by crossing susceptible Chinese cabbage A03 and resistant pakchoi 'Huaguan' to identify quantitative trait loci (QTLs) that confer soft rot resistance. A high-density genetic map was constructed and the three QTLs identified contain 166 genes. Based on available transcriptome data, we analyzed the expression of the 166 genes during an important defense regulatory period in Pc infection in both A03 and the resistant mutant sr. Among the 166 genes, six candidate genes were related to the soft rot defense response in B. rapa. TIFY10B (JAZ2, BraA07g038660.3C) was located in the major soft rot resistance QTL, DRQTL-3 on A07, and we speculate that this gene may play an important role in the defense mechanism against soft rot in B. rapa. This study lays the foundation for further investigations on the mechanism of soft rot resistance in B. rapa crops.
文献关键词：
中图分类号：
[1] 医药、卫生（R） / 药学（R9） / 药理学（R96） / 实验药理学（R965）
[2] 医药、卫生（R） / 基础医学（R3） / 病理学（R36） / 病理过程（R364）
[3] 数理科学和化学（O） / 力学（O3） / 振动理论（O32） / 非线性振动（O322）
作者姓名：
LIU Meng-yang;WU Fang;GE Yun-jia;LU Yin;ZHANG Xiao-meng;WANG Yan-hua;WANG Yang;YAN Jing-hui;SHEN Shu-xing;ZHAO Jian-jun;MA Wei
作者机构：
State Key Laboratory of North China Crop Improvement and Regulation,Ministry of Science and Technology/Key Laboratory of Vegetable Germplasm Innovation and Utilization of Hebei/Collaborative Innovation Center of Vegetable Industry in Hebei/College of Horticulture,Hebei Agricultural University,Baoding 071000,P.R.China
文献出处：
农业科学学报（英文）
引用格式：
[1]LIU Meng-yang;WU Fang;GE Yun-jia;LU Yin;ZHANG Xiao-meng;WANG Yan-hua;WANG Yang;YAN Jing-hui;SHEN Shu-xing;ZHAO Jian-jun;MA Wei-.Identification of soft rot resistance loci in Brassica rapa with SNP markers)[J].农业科学学报（英文）,2022(08):2253-2263
A类：
pakchoi,Huaguan,TIFY10B,JAZ2,BraA07g038660,DRQTL
B类：
Identification,soft,resistance,loci,Brassica,rapa,SNP,markers,Soft,caused,by,Pectobacterium,carotovorum,Pc,devastating,disease,causing,substantial,reductions,yield,quality,Identifying,genes,related,key,solving,this,problem,To,characterize,screened,susceptible,Chinese,cabbage,A03,resistant,mutant,sr,An,F2,population,was,generated,crossing,identify,quantitative,trait,QTLs,that,confer,high,density,genetic,map,constructed,three,identified,contain,Based,available,transcriptome,data,analyzed,expression,during,important,defense,regulatory,period,infection,both,Among,six,candidate,were,response,3C,located,major,speculate,may,play,role,mechanism,against,This,study,lays,foundation,further,investigations,crops
AB值：
0.46168
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