·常规信息
基因(座)名称凝集素受体激酶; 褐飞虱抗性基因
Lectin Receptor Kinase 3; Brown planthopper resistance-3
基因符号OsLecRK3; Bph3
所在染色体4 (已克隆)
供体材料Rathu Heenati

OsLecRK1(Os04g0201900, Liu et al. 2015)...

水稻抗褐飞虱主效基因Bph3,是3个质膜凝集素受体激酶基因组成的基因簇,即OsLecRK1OsLecRK2OsLecRK3(Liu et al. 2015)。

【定位与克隆】

Bph3是水稻抗褐飞虱主效基因,鉴定自Rathu Heenati,独立于Bph1遗传(Lakshminarayana and Khush, 1977)。利用PTB33×RD6构建的BC1F2群体和Rathu Heenati×KDML105构建的BC3F2群体,Bph3均被定位于水稻第6染色体短臂上SSR标记RM589~RM588之间,遗传距离分别为0.9cM和1.4cM(Jairin et al., 2007)。

但关于Bph3的定位,学界曾有过分歧,如:利用三体分析法,Bph3bph4被定位到第7染色体,两者等位或紧密连锁(Ikeda et al., 1981);通过栽培稻BAC克隆对药用野生稻比较原位杂交物理作图,Bph3也被定位到7号染色体(Yan et al., 2002)。

经克隆,发现Bph3是一个由3个编码质膜凝集素受体激酶(OsLecRK1-OsLecRK3)组成的基因簇(Liu et al. 2014)。

【相关登录号】
contigs及其产物:AP008210BAF14141
参考基因组位点:Os04g0202500(RAP-DB, Gramene←→ LOC_Os04g12580(本地MSU-RGAP
参考基因组产物:NM_001058762NP_001052227
uniprot库登录号:Q0JEU6
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·ONTOLOGY及相关基因
表型特征褐飞虱抗性(TO:0000424)
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生物进程昆虫应答(GO:0009625)
·参考文献
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