TABLE 2.

Purified cellulase enzymes from halophile bacteria^∗.

	Enzyme
Name of microorganism	size (kDa)	Properties of the purified cellulase	Enzyme stability and activity
			Temperature range	pH range	NaCl range
			(optimum) (°C)	(Optimum)	(Optimum) (M)
Salinivibrio sp. NTU-051	29	Halostable, Slightly thermostable	10–40 (35)	6.5–8.5 (7.5)	0–5 (0.9)
Bacillus sp. BG-CS102	62	Thermostable, Salt tolerant, pH-tolerant	(55 and 35)∗	4.5–9.2 (5)	0–2.5 (2.5)
Thalassobacillus sp. LY183	61	Organic solvent-tolerant, Alkali-stable	30–80 (60)	7–11 (8)	0.9–3 (1.7)
Bacillus sp. L14	45	Organic solvent-tolerant, Thermostable, Alkali-stable, Halotolerant	30–80 (60)	7–9 (8)	0.5–2.6 (1.3)
Alkalilimnicola sp. NM-DCM15	41	Halophilic, Alkali-thermostable, Ionic- liquid tolerant	45–60 (55)	7.5–10.5 (8.8)	1.2–2.9 (2.5)

^∗With and without NaCl. ¹Wang et al. (2009), ²Zhang et al. (2012), ³Li et al. (2012), ⁴Li and Yu (2012b), ⁵Mesbah and Wiegel (2017).