Analysis of pen3 mutants after inoculation with barley powdery mildew, Blumeria graminis f. sp hordei (B. g. hordei). pen3 mutations allows increased epidermal cell invasion by B. g. hordei. Results provide insight into the mechanisms underlying the lack of nonhost resistance in pen3 mutants.
Stein M, Dittgen J, Sánchez-Rodríguez C, Hou BH et al. Arabidopsis PEN3/PDR8, an ATP binding cassette transporter, contributes to nonhost resistance to inappropriate pathogens that enter by direct penetration. Plant Cell 2006 Mar;18(3):731-46. PMID: 16473969
