期刊
MYCOLOGIA
卷 105, 期 1, 页码 71-79出版社
TAYLOR & FRANCIS INC
DOI: 10.3852/11-426
关键词
Aspergillus terreus; heterothallism; sexual reproduction; teleomorph
类别
资金
- SARG K.A., Athens, Greece [70/4/5905, 70/3/6915]
- National and Kapodistrian University of Athens, Athens, Greece
- Bodosakis Foundation, Athens, Greece
Aspergillus terreus has a worldwide distribution in soil, constitutes the third most important cause of invasive aspergillosis in humans and is classically regarded as a strictly asexual species. Strains of A. terreus were characterized by ITS, beta-tubulin and calmodulin sequences. Mating type was identified by amplifying and sequencing MAT1-1 and MAT1-2 genes. One MAT1-2 strain produced hyphal masses when crossed with four MAT1-1 strains on mixed cereal agar after 3 wk at 37 C. Cleistothecia formed inside the hyphal masses and produced asci containing smooth-walled ascospores with an equatorial protuberance. This is the first report of sexual reproduction in A. terreus.
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