Table 1: Industrial applications of enzymes isolated from extremophiles.

ExtremophilesHabitatEnzymesRepresentative applications

ThermophileHigh temperatureAmylases
Xylanases
Proteases
DNA polymerases
Production of glucose, fructose for sweeteners
Paper bleaching
Used in baking, brewing, and as detergent additive
Genetic engineering

PsychrophileLow temperatureProteases
Dehydrogenases
Amylases
Cheese maturation
Biosensors
Polymer degradation in detergents

AcidophileLow pHSulfur oxidationDesulfurization of coal

AlkalophileHigh pHCellulasesPolymer degradation in detergent