acinetobacter tjernbergiae acinetobacter tjernbergiae acinetobacter tjernbergiae is a gram-negative, strictly aerobic bacterium from the genus acinetobacter isolated from a wastewater treatment plant. acinetobacter tjernbergiae scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: pseudomonadales family: moraxellaceae genus: acinetobacter species: a. tjernbergiae binomial name acinetobacter tjernbergiaecarr et al. 2003 type strain 7n16, ccm 7200, ccug 50768, cip 107465, dsm 14971, kctc 12418, r-18511