1887

Abstract

SUMMARY: Genes determining the flagellar antigens were introduced from into by sexual recombination. The gene for the phase-1 flagellar antigen of Salmonella was found to be allelic to , the gene for the only flagellar antigen of The phase-2 antigen of Salmonella has no counterpart in ; if the corresponding salmonella gene is introduced in , diphasic strains are produced whose phase-2 antigen is that of the Salmonella parent; the phase-1 antigen can be that of either parent. In each case the diphasic strains undergo a true phase variation, with either the phase-1 or the phase-2 antigen being expressed at one time. The rates of this variation are comparable to those in the Salmonella parent.

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/content/journal/micro/10.1099/00221287-35-3-503
1964-06-01
2021-10-26
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