hymenobacter mucosus hymenobacter mucosus hymenobacter mucosus is a gram-negative, rod-shaped and non-motile bacterium from the genus of hymenobacter which has been isolated from soil from the jiuxiang cave in china. it produces red, watermelonlike pigment from the plectaniaxanthin series of carotenoid pigments. the 16s rna analysis has revealed its similarity to hymenobacter tibetensis, hymenobacter gelipurpurascens and hymenobacter xinjiangensis hymenobacter mucosus scientific classification domain: bacteria phylum: bacteroidota class: cytophagia order: cytophagales family: hymenobacteraceae genus: hymenobacter species: h. mucosus binomial name hymenobacter mucosusliu et al. 2015 type strain dsm 28041, yim 77969, kctc 32567