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Science. 1996 May 31;272(5266):1334-6.

The rf2 nuclear restorer gene of male-sterile T-cytoplasm maize.

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  • 1Department of Zoology and Genetics, Iowa State University, Ames, 50011, USA.

Abstract

The T cytoplasm of maize serves as a model for the nuclear restoration of cytoplasmic male sterility. The rf2 gene, one of two nuclear genes required for fertility restoration in male-sterile T-cytoplasm (cmsT) maize, was cloned. The protein predicted by the rf2 sequence is a putative aldehyde dehydrogenase, which suggests several mechanisms that might explain Rf2-mediated fertility restoration in cmsT maize. Aldehyde dehydrogenase may be involved in the detoxification of acetaldehyde produced by ethanolic fermentation during pollen development, may play a role in energy metabolism, or may interact with URF13, the mitochondrial protein associated with male sterility in cmsT maize.

PMID:
8650543
[PubMed - indexed for MEDLINE]
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