stenotrophomonas pavanii stenotrophomonas pavanii stenotrophomonas pavanii is a nitrogen-fixing, gram-negative, rod-shaped and non-spore-forming bacterium from the genus of stenotrophomonas which has been isolated from the stem of a sugar cane from sao francisco sertaozinho in brazil. stenotrophomonas pavanii scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: xanthomonadales family: xanthomonadaceae genus: stenotrophomonas species: s. pavanii binomial name stenotrophomonas pavaniiramos et al. 2011 type strain cbmai 564, lmg 25348, strain icb 89