Literature DB >> 340911

The structure of the cysCDHIJ region in unstable cysteine or methionine requiring mutants of Salmonella typhimurium.

A J Kingsman.   

Abstract

A genetic method was devised to test the hypothesis that in some cysteine or methionine requiring (cym) mutants of Salmonella typhimurium suppression of auxotrophy is due to an insertion at the site of the cym mutation. It was found that suppressed strains have an insertion of about 9kb in the cysCDHIJ region and that in unstable suppressed strains it is the instability of this insertion which results in the segregation of cym auxotrophs.

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Year:  1977        PMID： 340911     DOI： 10.1007/bf00267189

Source DB:  PubMed          Journal:  Mol Gen Genet        ISSN： 0026-8925


  16 in total

1.  Analysis of linkage relationships in Salmonella by transduction techniques.

Authors:  M DEMEREC; Z E DEMEREC
Journal:  Brookhaven Symp Biol       Date:  1956-02

2.  Effects of deletions on cotransduction linkage in Salmonella typhimurium: evidence that bacterial chromosome deletions affect the formation of transducing DNA fragments.

Authors:  C A Chelala; P Margolin
Journal:  Mol Gen Genet       Date:  1974

3.  Packaging of an oversize transducing genome by Salmonella phage P22.

Authors:  B K Tye; R K Chan; D Botstein
Journal:  J Mol Biol       Date:  1974-01-05       Impact factor: 5.469

4.  Location on the chromosome of Salmonella typhimurium of genes governing pyrimidine metabolism.

Authors:  C F Beck; J L Ingraham
Journal:  Mol Gen Genet       Date:  1971

5.  Prophage P1, and extrachromosomal replication unit.

Authors:  H Ikeda; J Tomizawa
Journal:  Cold Spring Harb Symp Quant Biol       Date:  1968

6.  Transduction studies on the relation between prophage and host chromosome.

Authors:  J L Rothman
Journal:  J Mol Biol       Date:  1965-07       Impact factor: 5.469

7.  Transduction by phage P1CM clr-100 in Salmonella typhimurium.

Authors:  T Mojica
Journal:  Mol Gen Genet       Date:  1975

8.  Mutants of Salmonella typhimurium responding to cysteine or methionine: their nature and possible role in the regulation of cysteine biosynthesis.

Authors:  M A Qureshi; D A Smith; A J Kingsman
Journal:  J Gen Microbiol       Date:  1975-08

9.  Altered cotransduction frequencies exhibited by HT-mutants of Salmonella-phage P22.

Authors:  H Schmieger; H Backhaus
Journal:  Mol Gen Genet       Date:  1976-02-02

10.  The nature of genetic instability in auxotrophs of Salmonella typhimurium requiring cysteine or methionine and resistant to inhibition by 1,2,4-triazole.

Authors:  A J Kingsman; D A Smith
Journal:  Genetics       Date:  1978-07       Impact factor: 4.562
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  2 in total

Review 1.  Linkage map of Salmonella typhimurium, Edition VI.

Authors:  K E Sanderson; J R Roth
Journal:  Microbiol Rev       Date:  1983-09

2.  The nature of genetic instability in auxotrophs of Salmonella typhimurium requiring cysteine or methionine and resistant to inhibition by 1,2,4-triazole.

Authors:  A J Kingsman; D A Smith
Journal:  Genetics       Date:  1978-07       Impact factor: 4.562
  2 in total

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