Sexual Reproduction as the Cause of Heat Resistance in the Food Spoilage Fungus Byssochlamys spectabilis (Anamorph Paecilomyces variotii )
نویسندگان
چکیده
منابع مشابه
Sexual reproduction as the cause of heat resistance in the food spoilage fungus Byssochlamys spectabilis (anamorph Paecilomyces variotii).
Paecilomyces variotii is a common cosmopolitan species that is able to spoil various food- and feedstuffs and is frequently encountered in heat-treated products. However, isolates from heat-treated products rarely form ascospores. In this study we examined by using molecular techniques and mating tests whether this species can undergo a sexual cycle and form ascospores. The population structure...
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Byssochlamys spectabilis no. 5 (anamorph Paecilomyces variotii no. 5) (NBRC109023) was isolated from a soil sample in 2001 in Kumamoto Prefecture, Japan. This fungus is highly resistant to formaldehyde. Here, we report a draft genome sequence of P. variotii no. 5; this draft was produced with the intent of investigating the mechanism of formaldehyde resistance. This is the first report of the g...
متن کاملFirst report of Byssochlamys spectabilis as a teleomorph of Paecilomyces variotii from Iran
During 2009–10, cheese samples were collected from shops and cheese factories in Fars and Khuzestan provinces. Isolates were recovered from cheese using malt extract agar (MEA) and potato dextrose agar (PDA). Teleomorphic characteristics such as morphology of ascocarps, asci, ascospores and anamorphic characteristics such as conidiophores, phialides, conidia and chlamydospores were investigated...
متن کاملfirst report of byssochlamys spectabilis as a teleomorph of paecilomyces variotii from iran
during 2009–10, cheese samples were collected from shops and cheese factories in fars and khuzestan provinces. isolates were recovered from cheese using malt extract agar (mea) and potato dextrose agar (pda). teleomorphic characteristics such as morphology of ascocarps, asci, ascospores and anamorphic characteristics such as conidiophores, phialides, conidia and chlamydospores were investigated...
متن کاملHeat resistance of Byssochlamys ascospores.
Ascospores from 25 strains of Byssochlamys were studied for their ability to resist heat treatment in a standard defined medium. Seven of these were able to survive heating at 90 degrees C for 25 min or longer, when initial numbers were frequently near 10(6)/ml. Ascospores from five resistant strains suspended in the medium at pH 5.0 were usually more resistant than those at pH 3.6. Rapid heat ...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 2008
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.01761-07