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PMID: 776939 Published · ppublish English Comparative Study Journal Article

Comparative study of R1-specific chromosomal transfer in Escherichia coli K-12 and salmonella typhimurium LT2.

Journal of bacteriology ·Vol. 127 ·No. 1 ·1976-07-00 ·Pages 51-8

Hedén LO, Meynell E

Abstract

High-frequency transfer of the chromosomal trp region by R1 observed in Escherichia coli (Pearce and Meynell, 1968) also occurs in Salmonella typhimurium. The reaction is recA independent in both species. The origin of transfer lies within a segment of the chromosome that is inverted in S. typhimurium relative to E. coli, and thus transfer occurs in a different direction in the two species. The character of R1 that is responsible, known as Tfa+, may be lost without affecting other properties of the R factor such as its own transfer.

MeSH Terms
Chromosome Mapping Chromosomes, Bacterial Conjugation, Genetic Drug Resistance, Microbial Escherichia coli/drug effects,metabolism Genes Mutation R Factors Recombination, Genetic Salmonella typhimurium/drug effects,metabolism Transformation, Genetic Tryptophan/biosynthesis
Chemicals
Tryptophan
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Hedén L O
Meynell E
References (28)
28 references, click to expand
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Article Info
Journal
Journal of bacteriology
Abbr.
J Bacteriol
ISSN
0021-9193
DOI
10.1128/jb.127.1.51-58.1976
Published
1976-07-00
Pages
51-8
Language
English
Region
United States
NLM ID
2985120R
PMCID
PMC233032
Subset
IM
External Links
PubMed source DOI: 10.1128/jb.127.1.51-58.1976 PMC Full Text View journal details
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