BACKGROUND Ophiocordyceps sinensis (syn. Cordyceps sinensis), which is a parasite of caterpillars and is endemic to alpine regions on the Tibetan Plateau, is one of the most valuable medicinal fungi in the world. "Natural O. sinensis specimens" harbor various other fungi. Several of these other fungi that have been isolated from natural O. sinensis specimens have similar chemical components and...

cabbage (brassica oleracea var. capitata) is an economically important and widely cultivated vegetable in urmia region, west azerbaijan, iran. during the surveys of cabbage diseases in the years 2009-2012, mature plants of both white cabbage (b. o. var. capitata f. alba) and red cabbage (b. o. var. capitata f. rubra) with yellowing and detaching of lower leaves, watersoaking, browning and softe...

Three strains of Claviceps purpurea (Fr.) Tul., isolated from sclerotia grown on rye, produce under submerged conditions ergocryptine and ergotamine, ergocornine and ergosine, and ergocristine, respectively. All of the strains either lacked the ability to produce conidia or formed them sparingly, but they accumulated large quantities of lipids and sterols. The fermentations are typically divide...