mucibacter mucibacter mucibacter is a gram-negative, non-spore-forming, short-rod-shaped and motile genus of bacteria from the family of chitinophagaceae with one known species (mucibacter soli). mucibacter soli produces mucin. mucibacter scientific classification domain: bacteria phylum: bacteroidota class: chitinophagia order: chitinophagales family: chitinophagaceae genus: mucibacterkim et al. 2020 species m. soli