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Analysis of Ga2 genome structure and activity reveals widespread distribution of functional alleles in modern maize germplasm.

G3 (Bethesda, Md.) - 8 May 2025

Moran Lauter Adrienne N, Holland James B, Scott M Paul

Abstract excerpt

The Ga2 locus controls unilateral cross incompatibility in Zea species. Molecular characterization of this locus indicates that fully functional loci contain 2 components that function in male and female reproductive tissues, Ga2P and Ga2F, respectively. Some Zea mays varieties have been reported to be capable of overcoming the Ga2 reproductive barrier, including the widely used inbred line Mo17. Our objective...

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PMID: 39982803
DOI: 10.1093/g3journal/jkaf035
PMCID: PMC12060233

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