Detection of ionic liquid stable cellulase produced by the marine bacterium Pseudoalteromonas sp. isolated from brown alga Sargassum polycystum C. Agardh

► Characterized an ionic liquid stable cellulase from marine Pseudoalteromonas sp. ► Activation and stabilization of cellulase in the presence of ionic liquids. ► Retained catalytic activity even at ionic liquid concentration of 20% (v/v). ► Enhanced activity and stability than the commercial cellulase in ionic liquids. ► Offers a single step continuous saccharification process in ionic liquids.