aestuariibacter salexigens aestuariibacter salexigens aestuariibacter salexigens is a gram-negative, halophilic, strictly aerobic, catalase- and oxidase-positive, rod-shaped, motile bacterium with a polar flagellum from the genus of aestuariibacter which was isolated from sediment of getbol on the ganghwa island in korea. aestuariibacter salexigens scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: alteromonadaceae genus: aestuariibacter species: a. salexigens binomial name aestuariibacter salexigensyi et al. 2004 type strain cip 108413, dsm 15300, imsnu 14006, jc2042, kctc 12042