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International Journal of Medicinal Mushrooms
Импакт фактор: 1.423 5-летний Импакт фактор: 1.525 SJR: 0.431 SNIP: 0.661 CiteScore™: 1.38

ISSN Печать: 1521-9437
ISSN Онлайн: 1940-4344

Выпуски:
Том 21, 2019 Том 20, 2018 Том 19, 2017 Том 18, 2016 Том 17, 2015 Том 16, 2014 Том 15, 2013 Том 14, 2012 Том 13, 2011 Том 12, 2010 Том 11, 2009 Том 10, 2008 Том 9, 2007 Том 8, 2006 Том 7, 2005 Том 6, 2004 Том 5, 2003 Том 4, 2002 Том 3, 2001 Том 2, 2000 Том 1, 1999

International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v19.i1.90
pages 87-91

A Novel Technique for Rejuvenation of Degenerated Caterpillar Medicinal Mushroom, Cordyceps militaris (Ascomycetes), a Valued Traditional Chinese Medicine

Anhui Chen
Anhui Provincial Key Laboratory of Microbial Pest Control, Anhui Agricultural University, Hefei, China; Department of Food and Biology, Xuzhou Institute of Technology, Xuzhou, China
Yulong Wang
Anhui Provincial Key Laboratory of Microbial Pest Control, Anhui Agricultural University, Hefei, China
Ying Shao
Department of Food and Biology, Xuzhou Institute of Technology, Xuzhou, China
Bo Huang
Anhui Provincial Key Laboratory of Microbial Pest Control, Anhui Agricultural University, Hefei, China

Краткое описание

Cordyceps militaris has been used in traditional Chinese medicine for many years, but its frequent degeneration during continuous maintenance in culture can lead to substantial commercial losses. In this study, a degenerated strain of C. militaris was obtained by subculturing a wild-type strain through 10 successive subcultures. The relative abundance of the 2 mating types seems to be out of balance in the degenerated strain. By cross-mating 4 single-ascospore isolates (2 for MAT 1-1 and 2 for MAT 1-2) from the degenerated strain, we were able to restore fruiting body production to wild-type levels. The rejuvenated strain not only produced well-developed fruiting bodies but also accumulated more cordycepin and adenosine than either the original wild-type strain or the degenerated strain. These new characteristics remained stable after 4 successive transfers, which indicates that the method used to rejuvenate the degenerated strain in this study is an effective approach.


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