Characterization of promoter elements required for expression and induction by sucrose of the Arabidopsis COX5b-1 nuclear gene, encoding the zinc-binding subunit of cytochrome c oxidase.

Abstract excerpt

Arabidopsis COX5b-1 encodes an isoform of the zinc binding subunit 5b of mitochondrial cytochrome c oxidase. A promoter region required for expression and induction by sucrose of this gene was analyzed using plants stably transformed with mutagenized promoter fragments fused to the gus reporter gene. Promoter dependent expression is absolutely dependent on a G-box present at -228 from the translation start site....

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