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LMI1-like genes involved in leaf margin development of Brassica napus

文献类型: 外文期刊

作者: Ni, Xiyuan 1 ; Liu, Han 1 ; Huang, Jixiang 1 ; Zhao, Jianyi 1 ;

作者机构: 1.Zhejiang Acad Agr Sci, State Key Lab Breeding Base Zhejiang Sustainable, Inst Crop & Nucl Technol Utilizat, 198 Shiqiao Rd, Hangzhou 310021, Zhejiang, Peoples R China

关键词: Brassica napus;Leaf margin;LOBED-LEAF 1 gene;LMI1-like genes

期刊名称:GENETICA ( 影响因子:1.082; 五年影响因子:1.489 )

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收录情况: SCI

摘要: In rapeseed (Brassica napus L.), leaf margins are variable and can be entire, serrate, or lobed. In our previous study, the lobed-leaf gene (LOBED-LEAF 1, BnLL1) was mapped to a 32.1 kb section of B. napus A10. Two LMI1-like genes, BnaA10g26320D and BnaA10g26330D, were considered the potential genes that controlled the lobed-leaf trait in rapeseed. In the present study, these two genes and another homologous gene (BnaC04g00850D) were transformed into Arabidopsis thaliana (L.) Heynh. plants to identify their functions. All three LMI1-like genes of B. napus produced serrate leaf margins. The expression analysis indicated that the expression level of BnaA10g26320D determined the difference between lobed- and entire-leaved lines in rapeseed. Therefore, it is likely that BnaA10g26320D corresponds to BnLL1.

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