Production and bioprocess optimization of antitumor Epothilone B analogue from Aspergillus fumigatus, endophyte of Catharanthus roseus, with response surface methodology

Ashraf S.A. El-Sayed, Ahmed A. Shindia, Gul Shad Ali, Marwa A. Yassin, Hussein Hussein, Samar A. Awad, Hala A. Ammar