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Brazilian Journal of Microbiology
Print version ISSN 1517-8382
WANG, Yongjun; GUO, Yanbin; ZHANG, Liqin and WU, Jia. Characterizations of a new Cordyceps cicadae isolate and production of adenosine and cordycepin. Braz. J. Microbiol. [online]. 2012, vol.43, n.2, pp. 449-455. ISSN 1517-8382. http://dx.doi.org/10.1590/S1517-83822012000200004.
Cordyceps is a fastidious pathogenic fungus infecting insects, and recent years have witnessed rapid progress in its medical properties. In this study, a wild isolate, C. cicadae MP12, was characterized through in vitro cultivation and its nuclear small-subunit (SSU) ribosomal DNA (rDNA) data. In vitro culture of C. cicadae MP12 was established by growing its fruiting bodies in a solid matrix. C. cicadae MP12 was inoculated into Cryptotympana atrata cicada pupae for in vivo culture, where the fungi developed its fruiting body as well. The contents of adenosine and cordycepin in dried fruiting bodies after culture were 1421.45µg/g and 1398.12 µg/g, respectively. Therefore, the established cultures from this study could be used for the production of various medically important metabolic substances.
Keywords : Cordyceps cicadae; cultivation; adenosine; cordycepin.