Acidothermus cellulolyticus is a species of gram-variable bacteria. It is the only member of the genus Acidothermus and the family Acidothermaceae.
A. cellulolyticus was first isolated from acidic hot springs at Yellowstone National Park in 1987.
The name Acidothermus derives from:<br/>Latin adjective acidus, sour, acid; Greek adjective thermos (øõÃÂüÃÂÃÂ), hot; Neo-Latin masculine gender noun Acidothermus, acid and hot (loving).
The specific epithet cellulolyticus derives from Neo-Latin noun cellulosum, cellulose; Neo-Latin masculine gender adjective lyticus (from Greek masculine gender adjective lutikos (ûàÃÂùúÃÂÃÂ)), able to loose, able to dissolve; Neo-Latin masculine gender adjective cellulolyticus, cellulose-dissolving.)