mucilaginibacter gossypii mucilaginibacter gossypii mucilaginibacter gossypii is a gram-negative, non-motile and plant-growth-promoting bacterium from the genus of mucilaginibacter which has been isolated from rhizosphere soil from cotton plants. mucilaginibacter gossypii scientific classification domain: bacteria phylum: bacteroidota class: sphingobacteriia order: sphingobacteriales family: sphingobacteriaceae genus: mucilaginibacter species: m. gossypii binomial name mucilaginibacter gossypiimadhaiyan et al. 2010 type strain kctc 22380, ncimb 14470, gh-67