pseudomonas meliae pseudomonas meliae pseudomonas meliae is a fluorescent, gram-negative, soil bacterium that causes bacterial gall of the chinaberry (melia azedarach), from which it derives its name. based on 16s rrna analysis, p. meliae has been placed in the pseudomonas syringae group. genotypic characteristics of the causal agent of chinaberry gall were determined by aeini and taghavi. pseudomonas meliae scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: pseudomonadaceae genus: pseudomonas species: p. meliae binomial name pseudomonas meliaeogimi 1981 type strain atcc 33050 cfbp 3225 icmp 6289 lmg 2220 ncppb 3033