Spores, BacterialNisinBacillus subtilisSporesBacillus cereusSpores, FungalDNA, BacterialBacterial ProteinsNeuritesSpores, ProtozoanPicolinic AcidsPC12 CellsAxonsBacillus megateriumBacillus anthracisNerve Growth FactorsNerve Growth FactorGrowth ConesNeuronsBacillusHot TemperatureCells, CulturedClostridium botulinumNerve RegenerationAnthraxChick EmbryoMicroscopy, Phase-ContrastMolecular Sequence DataMutationCulture MediaClostridium perfringensCell Differentiation