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Salmonella Typhimurium

Transport in bacteriophage P22-infected Salmonella typhimurium.

Transport in bacteriophage P22-infected Salmonella typhimurium.

... P., India Received for publication 8 January 1975 The transient depression in macromolecular synthesis in Salmonella typhimurium after infection with bacteriophage P22 3 was found to be [r] ...

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Clonal groups of Salmonella typhimurium in New York State

Clonal groups of Salmonella typhimurium in New York State

... The epidemiology of 278 strains of Salmonella typhimurium isolated from 1973 to 1981 from animals in New York State was studied by using four "fingerprinting" techniques, bacteriophage t[r] ...

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ELECTROPHORETIC STUDY OF SALMONELLA TYPHIMURIUM-SALMONELLA MONTEVIDEO HYBRIDS

ELECTROPHORETIC STUDY OF SALMONELLA TYPHIMURIUM-SALMONELLA MONTEVIDEO HYBRIDS

... PREVIOUS analyses of Salmonella typhimurium-Salmonella monteuideo hy- brids from this laboratory have relied on P22-mediated transduction to deter- mine the region of hybri[r] ...

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Bimodal Expression of the Salmonella Typhimurium spv Operon

Bimodal Expression of the Salmonella Typhimurium spv Operon

... of Salmonella typhimurium is important for causing full virulence in mice and both the regulation and function of the Spv proteins have been characterized extensively over the past several ...S. ...

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Experimental Adaptation of Salmonella typhimurium to Mice

Experimental Adaptation of Salmonella typhimurium to Mice

... Experimental evolution is a powerful approach to study the dynamics and mechanisms of bacterial niche specialization. By serial passage in mice, we evolved 18 independent lineages of Salmonella typhimurium ...

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GENETIC ANALYSIS OF AROMATIC MUTANTS OF SALMONELLA TYPHIMURIUM

GENETIC ANALYSIS OF AROMATIC MUTANTS OF SALMONELLA TYPHIMURIUM

... The genetic analysis of 89 aromatic mutants of Salmonella typhimurium presented here has shown that they represent mutations in five structural genes involved in chorismic ac[r] ...

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TRANSDUCTION OF SALMONELLA TYPHIMURIUM-SALMONELLA MONTEVIDEO  HYBRIDS

TRANSDUCTION OF SALMONELLA TYPHIMURIUM-SALMONELLA MONTEVIDEO HYBRIDS

... The results obtained with three hybrids (represented by TM-argAZ in Table 4 ) , as well as with TM-ilvAl2 (second pattern from bottom in Figure 2) provide the following ori[r] ...

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ISOLEUCINE-VALINE REQUIRING MUTANTS OF SALMONELLA TYPHIMURIUM

ISOLEUCINE-VALINE REQUIRING MUTANTS OF SALMONELLA TYPHIMURIUM

... These studies showed that although the available ilva strains could be divided into four complementation groups ( A , B , C and D ) on the basis of abortive transducti[r] ...

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GENETIC ANALYSIS OF PYRIMIDINE MUTANTS OF SALMONELLA TYPHIMURIUM

GENETIC ANALYSIS OF PYRIMIDINE MUTANTS OF SALMONELLA TYPHIMURIUM

... The growth requirement of pyrA mutants was satisfied by uracil or orotic acid plus arginine or citrulline (but not ornithine).. Slight growth occurred when dihydroorotic o r[r] ...

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NEW SUPPRESSORS OF FRAMESHIFT MUTATIONS IN SALMONELLA TYPHIMURIUM

NEW SUPPRESSORS OF FRAMESHIFT MUTATIONS IN SALMONELLA TYPHIMURIUM

... Several mitomycin-c- induced mutations (obtained from J. AMES) and one 9-amino- acridine-induced mutation (obtained from E. AMES) were also tested and proved to be correctable[r] ...

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Evolutionary and Functional Analysis of SlyA in Salmonella typhimurium

Evolutionary and Functional Analysis of SlyA in Salmonella typhimurium

... tract, Salmonella have mechanisms that make them capable of targeting and invading ...island. Salmonella species are uniquely able to survive inside of macrophages with the help of several virulence genes ...

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ACTIVITY OF CHI RECOMBINATIONAL HOTSPOTS IN SALMONELLA TYPHIMURIUM

ACTIVITY OF CHI RECOMBINATIONAL HOTSPOTS IN SALMONELLA TYPHIMURIUM

... T h e view that the lower Chi activity stems from a lesser activity of Chi per se is consistent with the observation that RecBC enzyme directly interacts with Chi [r] ...

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Targeting Tumors with Salmonella Typhimurium - Potential for Therapy

Targeting Tumors with Salmonella Typhimurium - Potential for Therapy

... S. Typhimurium therapy for cancer - can we use bacteria to exploit apoptotic pathways, and in particular activation of caspase-3, opening a new front in the fight against cancer? Direct activation of caspase-3 in ...

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A REFINED MAP OF THE hisG GENE OF SALMONELLA TYPHIMURIUM

A REFINED MAP OF THE hisG GENE OF SALMONELLA TYPHIMURIUM

... The right-hand his operon in each duplication mutant carries, in effect, a hisG deletion mutation that re- moves material from the operator-proximal site of the hisG gene.. I[r] ...

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REGULATORY MUTANTS OF THE TRYPTOPHAN OPERON OF SALMONELLA TYPHIMURIUM

REGULATORY MUTANTS OF THE TRYPTOPHAN OPERON OF SALMONELLA TYPHIMURIUM

... Mutants of this class had several distinctive charac- teristics in common: (a) they were isolated only in strains carrying extremely polar trpA mutations (Table 5 ) ; (b) t[r] ...

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THE GENETIC HOMOLOGY OF SALMONELLA TYPHIMURIUM AND  ESCHERICHIA COLI

THE GENETIC HOMOLOGY OF SALMONELLA TYPHIMURIUM AND ESCHERICHIA COLI

... strain used to test the present group of hybrids may not be included in the male insertion into the gene; the remaining female genetic material in the tryptophan transducing fragment[r] ...

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Salmonella identification from foods in eight hours: A prototype study with Salmonella Typhimurium.

Salmonella identification from foods in eight hours: A prototype study with Salmonella Typhimurium.

... The fact that the device provides results in 15-45 seconds and performs Cluster analysis among the data it obtains, without requiring any consumable material resulted in intensive studies conducted by microbiologists all ...

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F-PRIME FACTORS OF SALMONELLA TYPHIMURIUM AND AN INVERSION BETWEEN S. TYPHIMURIUM AND ESCHERICHIA COLI

F-PRIME FACTORS OF SALMONELLA TYPHIMURIUM AND AN INVERSION BETWEEN S. TYPHIMURIUM AND ESCHERICHIA COLI

... However, in our experiments, among 587 recombinants which integrated the chromosomal his+ locus from the donor, (296 from F73 strains and 291 from F72 strains) no fertilit[r] ...

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THREONINE, ISOLEUCINE, AND ISOLEUCINE-VALINE MUTANTS OF SALMONELLA TYPHIMURIUM

THREONINE, ISOLEUCINE, AND ISOLEUCINE-VALINE MUTANTS OF SALMONELLA TYPHIMURIUM

... coli (MIYAKE and DEMEREC 1959), which makes it possible to analyze the order of markers located in different donor fragments. A linkage map of each of the loci involved in thr[r] ...

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CHEMICALLY INDUCED REVERSIONS IN THE cysC REGION OF SALMONELLA TYPHIMURIUM

CHEMICALLY INDUCED REVERSIONS IN THE cysC REGION OF SALMONELLA TYPHIMURIUM

... Influence of forward mutation induction method on reversion pattern: The mutants examined were induced in a number of different ways... CHEMICALLY INDUCED REVERSION 347.[r] ...

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