超声对构巢曲霉二倍体遗传不稳定性的影响。
The effect of ultrasound on genetic instability in diploids of Aspergillus nidulans.
作者信息
Houghton J A, O'Dowd J
出版信息
Folia Microbiol (Praha). 1979;24(5):385-8. doi: 10.1007/BF02927120.
PMID:393595
Abstract
Ultrasonication at 20 kHz and intensity of 59 W/cm2 of a diploid strain of Aspergillus nidulans was ound to lead to a significant increase in haploidization of germinating conidiospores. In a preliminary study ultrasound was found not to have an effect on the rate of reverse mutation in conidiospore suspensions of auxotrophic mutants.
摘要
结果发现，对构巢曲霉二倍体菌株在20千赫频率、59瓦/平方厘米强度下进行超声处理，会导致萌发的分生孢子单倍体化显著增加。在一项初步研究中，发现超声对营养缺陷型突变体分生孢子悬液中的回复突变率没有影响。
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