Article
Small kernel 1 encodes a pentatricopeptide repeat protein required for mitochondrial nad7 transcript editing and seed development in maize (Zea mays) and rice (Oryza sativa).
The Plant journal : for cell and molecular biology - 1 Sept 2014
Li Xiao-Jie, Zhang Ya-Feng, Hou Mingming, Sun Feng, Shen Yun, Xiu Zhi-Hui, Wang Xiaomin, Chen Zong-Liang, Sun Samuel S M, Small Ian, Tan Bao-Cai
Abstract excerpt
RNA editing modifies cytidines (C) to uridines (U) at specific sites in the transcripts of mitochondria and plastids, altering the amino acid specified by the DNA sequence. Here we report the identification of a critical editing factor of mitochondrial nad7 transcript via molecular characterization of a small kernel 1 (smk1) mutant in Zea mays (maize). Mutations in Smk1 arrest both the embryo and endosperm...
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