Article
Isolation and classification of temperature-sensitive mutants of influenza B virus.
Microbiology and immunology - 1 Jan 1994
Yamamoto-Goshima F, Aoki H, Takada T, Toda S, Yoshii S, Maeno K
Abstract excerpt
We isolated 25 temperature-sensitive mutants of B/Kanagawa/73 strain generated by mutagenesis with 5-fluorouracil and classified them into seven recombination groups by pair-wise crosses. All mutants showed a ratio of plaquing efficiency at the nonpermissive temperature (37.5 C) to the permissive temperature (32 C) of 10(-4) or less. At 37.5 C most of group I, II, and III mutants did not produce appreciable...
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