Lipase[EC3.1.1.3]is widely used in washing、leather、food、biochemical、papermaking、medicine、environmental protection etc.The character of the thermostable of lipase is very important in industrial applications and has attracted more and more attention.Screening of lipase producing strains from extremely environments and artificial evolution by molecular modificating are the mainly methods to obtain thermostable lipase.Six lipase producing strains were isolated from a hot spring and the characters of a ...