以链霉菌属为主（平均占91.6%），其次为小单孢菌属、马杜拉放线菌属和诺卡氏菌属。
Streptomyces was the main genus ( It s average percentage was 91 . 6 % ), followed by Micromonospora , Actinomadura and Nocardia .
小单孢菌属