Article
Maize brachytic2 (br2) suppresses the elongation of lower internodes for excessive auxin accumulation in the intercalary meristem region.
BMC plant biology - 27 Dec 2019
Zhang Xiangge, Hou Xianbin, Liu Yinghong, Zheng Lanjie, Yi Qiang, Zhang Haojun, Huang Xinrong, Zhang Junjie, Hu Yufeng, Yu Guowu, Liu Hanmei, Li Yangping, Huang Huanhuan, Zhan Feilong, Chen Lin, Tang Jihua, Huang Yubi
Abstract excerpt
BACKGROUND: Short internodes contribute to plant dwarfism, which is exceedingly beneficial for crop production. However, the underlying mechanisms of internode elongation are complicated and have been not fully understood. RESULTS: Here, we report a maize dwarf mutant, dwarf2014 (d2014), which displays shortened lower internodes. Map-based cloning revealed that the d2014 gene is a novel br2 allele with a splicing...
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