niabella tibetensis niabella tibetensis niabella tibetensis is a gram-negative, rod-shaped and non-motile bacterium from the genus of niabella which has been isolated from the tibet province in china. niabella tibetensis scientific classification domain: bacteria phylum: bacteroidota class: chitinophagia order: chitinophagales family: chitinophagaceae genus: niabella species: n. tibetensis binomial name niabella tibetensisdai et al. 2011 type strain cctcc ab 209167, nrrl b-59394, strain 15-4