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DNA restriction and modification systems in Salmonella (1974)

Pel, Aline ; Colson, Charles

Springer

Molecular genetics and genomics 135 (1974), S. 51-60

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ISSN: 1617-4623

Source: Springer Online Journal Archives 1860-2000

Topics: Biology

Notes: Summary E. coli x S.typhimurium partially diploid hybrids were constructed to investigate the possibility of genetic complementation between the SA and the SB restriction and modification systems of S. typhimurium and the K and B systems of E. coli. An hsdR K - mutation was complemented in a stable hybrid in which the hsd SA + -hsd SB + -serB + portion of the S. typhimurium chromosome was integrated at a non-homologous locus. By isolating hsd - mutants in that hybrid, it was shown that complementation occured between K and SB, but not between K and SA. Similarly, in a set of F-prime merodiploids bearing the SA, SB and B systems, complementation was observed between B and SB, but not between B and SA.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00433901

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