-RPP27 gene, Arabidopsis, Arabidopsis Ler, Arabidopsis downy mildew, Arabidopsis downy mildew resistance gene, Arabidopsis downy mildew resistance gene RPP27, Arabidopsis genome, AtSgt1b, CLAVATA2, CLAVATA2 and TOO MANY MOUTHS genes, Cf-2 protein sequences, Cf-9, Cf-like candidate gene, Col-edm1, Col-sgt1, Hiks1, Homozygous transgenic lines, Landsberg erecta, Ler, Ler-0, Leu, Peronospora parasitica, RLP, RLP-encoding gene, RLPs, RPP27, RPP27 locus, TOO MANY MOUTHS genes, amino acid, bacterial artificial chromosome interval, carboxyl, chromosome 1, downy, downy mildew, enhanced susceptibility mutant, four-, full-length RPP27 cDNA, mutant Col, mutant Col-rpp7, receptor-like protein, rpp7, tomato, tomato Cf-9