Thermobifida fusca WSH03-11 was mutagenized by using DES and a mutant was isolated after three runs of screening. The cutinase activity was improved from 2.3 U/mL to 8.9 U/mL.

• 以Thermobi fidafusca WSH03-11为出发菌株；经硫酸二乙酯诱变；获得一株遗传稳定性好的高产角质酶的突变菌株(酶活由2.；3U/mL提高为8