pasteuria nishizawae pasteuria nishizawae pasteuria nishizawae is a mycelial and endospore-forming bacterium parasitic on cyst nematodes of genera heterodera and globodera. pasteuria nishizawae scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: pasteuriaceae genus: pasteuria species: p. nishizawae binomial name pasteuria nishizawaesayre et al. 1992