Table 1.

Appressorium Formation in mac1 and Suppressor Mutants of M. grisea

Surface Property
StrainGenotypeHydrophobicHydrophilic
Guy11Wild type90.6 ± 4.0a0.9 ± 1.3
DA128Δmacl::Hph1.2 ± 1.80.4 ± 0.8
DA154Δmacl::Hph1.7 ± 2.10.0 ± 0.0
DA156Δmac1::Hph0.0 ± 0.00.3 ± 0.8
DA61Δmac1:Hph sum-6198.3 ± 1.297.3 ± 0.6
DA67Δmac1::Hph sum-6795.3 ± 0.695.0 ± 1.0
DA99Δmac1::Hph sum1-9997.0 ± 1.095.7 ± 1.5
  • a The percentage of germinated conidia that formed appressoria was quantitated after 24 hr. The mean and standard deviation were calculated from three independent experiments. Each experiment consisted of three replicates, and 100 germinated conidia were examined per replicate.