A Review on Fungal Isolates Reported as Anamorphs of Ophiocordyceps sinensis

This brief review presents current developments on Ophiocordyceps sinensis and fungal strains which have been reported as its anamorphs. A survey of literature has shown that Hirsutella sinensis is currently receiving general acceptance as a true anamorph of O. sinensis. This isolate has been confirmed as the true anamorph by both morphological and molecular methods. The other isolates such as Paecilomyces sinensis, Scytalidium hepiali, Tolypocladium sinensis, Chrysosporium sinensis, Synnematium sinensis, Paecilomyces hepiali, Mortierella hepiali, and Scytalidium hepiali have been discarded as anamorphs of O. sinensis. The review also discusses various methods used to determine or confirm anamorphs of O. sinensis. Considering that the methods have strengths and weaknesses of varying magnitudes, a collective use of various methods is recommended for more reliable conclusions