Article
Alternative splicing of basic chitinase gene PR3b in the low-nicotine mutants of Nicotiana tabacum L. cv. Burley 21.
Journal of experimental botany - 1 Oct 2016
Ma Haoran, Wang Feng, Wang Wenjing, Yin Guoying, Zhang Dingyu, Ding Yongqiang, Timko Michael P, Zhang Hongbo
Abstract excerpt
Two unlinked semi-dominant loci, A (NIC1) and B (NIC2), control nicotine and related alkaloid biosynthesis in Burley tobaccos. Mutations in either or both loci (nic1 and nic2) lead to low nicotine phenotypes with altered environmental stress responses. Here we show that the transcripts derived from the pathogenesis-related (PR) protein gene PR3b are alternatively spliced to a greater extent in the nic1 and nic2...
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