Article
The rice nuclear gene, VIRESCENT 2, is essential for chloroplast development and encodes a novel type of guanylate kinase targeted to plastids and mitochondria.
The Plant journal : for cell and molecular biology - 1 Nov 2007
Sugimoto Hiroki, Kusumi Kensuke, Noguchi Ko, Yano Masahiro, Yoshimura Atsushi, Iba Koh
Abstract excerpt
Guanylate kinase (GK) is a critical enzyme in guanine nucleotide metabolism pathways, catalyzing the phosphorylation of (d)GMP to (d)GDP. Here we show that a novel gene, VIRESCENT 2 (V2), encodes a new type of GK (designated pt/mtGK) that is localized in plastids and mitochondria. We initially identified the V2 gene by positional cloning of the rice v2 mutant. The v2 mutant is temperature-sensitive and develops...
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