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The origin of His+ revertants of Salmonella typhimurium obtained on selective medium
Authors
Gizatullin F.
Lyozin G.
Publication date
1 January 1992
Publisher
Abstract
The spontaneous reversion to His+ of the Salmonella typhimurium alleles hisD3052 and hisG46 was investigated. In fluctuation tests, the expected "jackpot" distribution of His+ revertants was not observed. The experimental distributions were close to Poisson distribution. The redistribution test showed no significant differences in the His+ colony counts between spread and unspread plates. An attempt at indirect selection of His+ revertants in fluid medium failed. It was also shown that the mean number of His+ reversion events and the mean number of revertants per plate were similar. At the same time, kanamycin-resistant mutants had jackpot distribution. Selection for His+ revertants (histidine starvation) did not increase mutation to Kanr. © 1992
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Kazan Federal University Digital Repository
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oai:dspace.kpfu.ru:net/96726
Last time updated on 07/05/2019
Kazan Federal University Digital Repository
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:dspace.kpfu.ru:net/134175
Last time updated on 07/05/2019