Mutants of Escherichia coli Affected in the Processes of Transposition and Genomic Rearrangements

Smirnov, G. B.; Ilyina, T. S.; Romanova, Yu. M.; Markov, A. P.; Nechaeva, E. V.

doi:10.1101/sqb.1981.045.01.031

Cited by 8 publications

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“…A simultaneous study of insertion specificity and chromosomal rearrangements was conducted, independent of our research, by Ilyina et al [16][17][18] using transposon Tn 9 as a model. Georgiev et al [19] and Gvozdev et al [20] have found in the genome of Drosophila melanogaster , migrating elements, which they termed mdg (mobile dispersed genetic) elements.…”

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From the mechanisms of genetic transposition to the functional genomics

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2005

Russ J Genet

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Pioneer works on studying molecular mechanisms of mutagenesis were published in the journal Genetika in the 1960s. In the laboratory of S.I. Alikhanian, studies on molecular mechanisms of genetic transposition were initiated in the late 1960s on the model of bacteriophage transposon Mu (Mutator). Parallel to these studies conducted in the laboratory of plant molecular genetics (Institute of Molecular Genetics, Academy of Sciences of the USSR), which was later named the Laboratory of Functional Genomics (Vavilov Institute of General Genetics, Russian Academy of Sciences), studies on transposition of Ti-plasmid T-DNA of Agrobacterium tumefaciens and works on construction of transgenic plants began in this laboratory. Transgenic plants with the expressed bacterial genes provided a model for the functional genomics. This topic is considered here in detail.

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confidence: 99%

From the mechanisms of genetic transposition to the functional genomics

Пирузян

2005

Russ J Genet

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The effect of tnm mutations of Escherichia coli K12 on transposition of various movable genetic elements

1981

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The effects of different tnm mutations on the transposition of Tn3, Tn5, Tn10, Tn601, and bacteriophage Mu were studied. Five tnm mutations were placed into three phenotypic classes. The representatives of the first class, tnm-1 and tnm-2, caused a complete block of transposition of all Tn-elements studied; the representatives of the second class, tnm-3 and tnm-4, specifically affected Tn9 transposition while the tnm-5 mutation attributed to the third class caused formation of cointegrates between the donor genome of phage lambda carrying Tn-elements Tn3 or Tn5 and the recipient genome (bacterial chromosome).

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Distribution of insertion element IS1 in natural isolates of Escherichia coli

et al. 1983

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Total DNAs from twelve natural isolates of Escherichia coli from animals and humans were examined by hybridization with a probe for IS1. Considerable variation in copy number was found. In the case of two strains isolated from the same individual, one strain contained no copies of IS1 and the other, much greater than 30. Evidence was also obtained for the existence of IS1-like elements (iso-IS1s) of greater than 15% sequence divergence relative to the IS1 from antibiotic resistance plasmid R100.

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Mutants of Escherichia coli Affected in the Processes of Transposition and Genomic Rearrangements

Cited by 8 publications

References 0 publications

From the mechanisms of genetic transposition to the functional genomics

From the mechanisms of genetic transposition to the functional genomics

The effect of tnm mutations of Escherichia coli K12 on transposition of various movable genetic elements

Distribution of insertion element IS1 in natural isolates of Escherichia coli

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