Article
Temperature-sensitive mutant of Mycoplasma synoviae. I. Production and selection of a nonpathogenic but immunogenic clone.
Avian diseases - 1 Jan 2000
Nonomura I, Imada Y
Abstract excerpt
Temperature-sensitive (ts) mutants of Mycoplasma synoviae were produced by treating the wild 1-3SN strain with N-methyl-N'-nitro-N-nitrosoguanidine. Twelve ts mutants were selected at 39.5 C as a restrictive and 33 C as a permissive temperature. Among the mutants, MSts44 was proven to be nonpathogenic but immunogenic. MSts44 did not induce airsacculitis in bursectomized or normal chickens, and it was stable after...
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