ChytridiomycotaOomycetesFungiPhytophthoraSaprolegniaPhylogenyPythiumAlgal ProteinsAphanomycesDNA, AlgalPhytophthora infestansPlant DiseasesPetroselinumMitosporic FungiPlantsPeronosporaPlant ImmunityMolecular Sequence DataAscomycotaGenomeGene Transfer, HorizontalHost-Pathogen InteractionsHost-Parasite InteractionsBasidiomycotaAmino Acid SequenceCellulosePlant LeavesVirulenceSequence Analysis, DNASpores, FungalCell WallEvolution, MolecularBase Sequence