OocystsSpores, BacterialCryptosporidium parvumCryptosporidiumCryptosporidiosisSpores, FungalCoccidiaBacillus subtilisEimeriaSporesCoccidiosisGiardiaIsosporaFecesParasite Egg CountBacterial ProteinsSigma FactorParasitologyGene Expression Regulation, BacterialEucoccidiidaSpores, ProtozoanPicolinic AcidsCyclosporaMutationWater SupplyBacillus megateriumClostridium perfringensGenes, BacterialCulture MediaWaterMolecular Sequence DataDNA, ProtozoanBacillus cereusMyxococcus xanthusMeiosisBacillusPotassium DichromateSaccharomyces cerevisiaeWater PurificationStreptomyces coelicolorEimeriidaeTyrocidineFiltrationFresh WaterClostridium acetobutylicumCyclosporiasisBase SequenceEimeria tenellaWater PollutionGiardiasisTranscription FactorsDisinfectionFungal ProteinsGene Expression Regulation, FungalGenes, FungalMicroscopy, Phase-ContrastToxoplasmaAmino Acid SequenceSporozoitesStreptomyces griseusTyrothricinTranscription, GeneticCell WallImmunomagnetic SeparationChromosomes, BacterialDNA, BacterialIsosporiasisFluorescent Antibody Technique, DirectHot TemperatureAnophelesCattle DiseasesSewageRNA, Ribosomal, 18SMyxococcalesApicomplexaMineral WatersGenetic Complementation TestToxoplasmosis, AnimalAntibodies, ProtozoanAspergillus nidulansBenzophenoneidumRNA, BacterialPhenotypeStaining and LabelingCloning, MolecularBlastocladiellaOperonAcetoinCattlePeptide HydrolasesChlorine Compoundsbeta-GalactosidaseSaccharomyces cerevisiae ProteinsMicropore FiltersPolymerase Chain ReactionPicolinesRiversDiploidyGene DeletionOcimum basilicum