Microorganism that can degrade an estrogenic substance and use thereof

A degrading microorganism estrogenic substances wherein the microorganism is one or more microorganisms belonging to the following group: Pseudaminobacter salicylatoxidans strain TAA-I3 (FERM BP-10519) Gordonia terrae TAI-I5 strain (FERM BP-10521) Zoogloea sp. ATM-I1 strain (FERM BP-10523) Cryptococcus sp. TMN-Y2 strain (FERM BP-10525) strain Trichosporon loubieri FF-Y2 (FERM BP-10526), ​​and having the ability to degrade an estrogenic substance selected from 17.beta.-estradiol, estrone and estriol.