pseudomonas corrugata pseudomonas corrugata pseudomonas corrugata is a gram-negative, plant-pathogenic bacterium that causes pith necrosis in tomatoes. based on 16s rrna analysis, p. corrugata has been placed in the p. fluorescens group. for a more comprehensive phylogenetic analysis of p. corrugata and its closely related phytopathogenic bacterium p. mediterranea, refer to trantas et al. 2015. pseudomonas corrugata scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: pseudomonadaceae genus: pseudomonas species: p. corrugata binomial name pseudomonas corrugataroberts and scarlett 1978 type strain atcc 29736 ccug 23367 and 32778 cfbp 2431 cip 105514 dsm 7228 icmp 5819 lmg 2172 ncppb 2445