ABSTRACT : Cellulase is an important enzyme in the degradation of lignocellulosic biomass through the cleavage of β-1,4-glycosidic bonds in cellulose which is abundant in nature. This enzyme can be produced by fungi and bacteria, where bacteria such as Bacillus have the advantage of rapid growth and the ability to secrete enzymes into extracellular media, so they have the potential for industr…