pseudomonas synxantha pseudomonas synxantha pseudomonas synxantha is a fluorescent rhizosphere bacterium with nematicidal properties. based on 16s rrna analysis, p. synxantha has been placed in the p. fluorescens group. pseudomonas synxantha scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: pseudomonadaceae genus: pseudomonas species: p. synxantha binomial name pseudomonas synxantha(ehrenberg 1840) holland 1920 type strain atcc 9890 cfbp 5591 cip 59.22 jcm 11599 lmg 2190 nbrc 3913 nctc 10696 nrrl b-780 synonyms vibrio synxanthus ehrenberg 1840