A meiotic drive element in the maize pathogenFusarium verticillioidesis located within a 102-kb region of chromosome V

• DOI: 10.1101/045914
• Publication Date: 2016-03-28T05:12:32Z
• Authors: Jay Pyle; Tejas Patel; Brianna Merril; Chabu Nsokoshi; Morgan McCall; Robert H. Proctor; Daren W. Brown; Thomas M. Hammond
• Keywords: Meiotic drive

ABSTRACT Fusarium verticillioides is an agriculturally important fungus because of its association with maize and propensity to contaminate grain toxic compounds. Some isolates the harbor a meiotic drive element known as Spore killer ( Sk K ) that causes nearly all surviving progeny from × killer-susceptible S cross inherit allele. has been mapped chromosome V but genetic responsible for spore killing yet be identified. In this study, we used cleaved amplified polymorphic sequence markers genotype individual mapping population. We also sequenced genomes three population determine their single nucleotide polymorphisms. These techniques allowed us refine location contiguous 102-kb region V, herein referred locus. Relative genotypes, genotypes have one extra gene within locus total 42 genes. The additional in named SKL1 Killer Locus 1 , most highly expressed during early stages sexual development. hypervariable regions, longest which includes . possibility or another locus, essential component discussed.