Corpus ID: 18696025

Genetic and Physical Mapping of Avr 1 a in Phytophthora sojae

  title={Genetic and Physical Mapping of Avr 1 a in Phytophthora sojae},
  author={T. MacGregor and M. Bhattacharyya and B. Tyler and R. Bhat and A. F. Schmitthenner and M. Gijzen},
  • T. MacGregor, M. Bhattacharyya, +3 authors M. Gijzen
  • Published 2002
  • The interaction between soybean and the phytopathogenic oomycete Phytophthora sojae is controlled by host resistance (Rps) genes and pathogen avirulence (Avr) genes. We have mapped the Avr1a locus in F2 populations derived from four different P. sojae races. Four RAPD and nine AFLP markers linked to Avr1a were initially identified. Nine markers were used to compare genetic linkage maps of the Avr1a locus in two distinct F2 populations. Distorted segregation ratios favoring homozygous genotypes… CONTINUE READING
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