Search Results - "Liebart, J. C."

Precise excision of bacteriophage Mu DNA by Abbes, C, Sezonov, G, Joseleau-Petit, D, D'Ari, R, Liébart, J C

“…The temperate bacteriophage Mu is a transposable element that can integrate randomly into bacterial DNA, thereby creating mutations. Mutants due to an…”
Get more information

The GemA protein of phage Mu and the GyrB gyrase subunit of Escherichia coli: the search for targets and interactions leading to the reversion of Mu-induced mutations by Abbes, C, Joseleau-Petit, D, Liébart, J C, D'Ari, R, Sezonov, G

“…The mutant bacteriophage Mugem2(Ts), known to synchronize the division of infected cells, to relax DNA supercoiling and, as prophage, to give rise to precisely…”
Get full text

Reversal of Mu gem2ts-induced mutations by Ghelardini, P., Liébart, J.C., Fabozzi, G., Tomassini, B., D'Ari, R., Paolozzi, L.

“…Mutations induced by the integration of a Mu gem2ts mutant prophage can revert at frequencies around 1 × 10 −6, more than 10 4-fold higher than that obtained…”
Get full text

A novel illegitimate recombination event: precise excision and reintegration with the Mu gem mutant prophage by Ghelardini, P, Liébart, J C, Di Zenzo, G, Micheli, G, D'Ari, R, Paolozzi, L

“…The bacteriophage Mu is known to insert its DNA more or less randomly within the Escherichia coli chromosome, as do transposable elements, but unlike the…”
Get more information

Conservative Integration of Bacteriophage Mu DNA into pBR322 Plasmid by Liebart, J. C., Ghelardini, P., Paolozzi, L.

“…In order to clarify the first step in Mu integrative recombination, we have infected a bacterial strain harboring the plasmid pBR322 and isolated Mu DNA in a…”
Get full text

The expression of the DNA ligase gene of Escherichia coli is stimulated by relaxation of chromosomal supercoiling by Liebart, J C, Paolozzi, L, Camera, M G, Pedrini, A M, Ghelardini, P

“…Many genes of Escherichia coli have been shown to be sensitive to DNA superhelicity. The superhelicity of the chromosome is itself also supercoiling-dependent…”
Get more information

Escherichia coli K-12 gyrB gene product is involved in the lethal effect of the ligts2 mutant of bacteriophage Mu by GHELARDINI, P, LIEBART, J. C, MARCHELLI, C, PEDRINI, A. M, PAOLOZZI, L

“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
Get full text

Synchronous division induced in Escherichia coli K12 by gemts mutants of phage Mu by Paolozzi, L, Nicosia, A, Liebart, J C, Ghelardini, P

“…Infection with the bacteriophage mutant Mu c+ gemts2 at 42 degrees C induces synchrony in cell division in cultures of Escherichia coli K12. This synchrony may…”
Get more information

Aspects of cell cycle regulation by D'Ari, R, Maguin, E, Bouloc, P, Jaffé, A, Robin, A, Liébart, J C, Joseleau-Petit, D

Get more information

Suppression of the thermosensitive DNA ligase mutations in Escherichia coli K12 through modulation of gene expression induced by phage Mu by Ghelardini, P, Liebart, J C, Paolozzi, L, Pedrini, A M

“…We have previously shown that Mu can sustain the growth at non-permissive temperature of an Escherichia coli strain harbouring a thermosensitive mutation in…”
Get more information

Replication of the Escherichia coli Chromosome Following Thymine Starvation by Liebart, J. C., Buu, A., Marcovich, H.

“…The replication of the chromosome of E. coli 15T-(thymine-requiring) has been followed for approximately four generations after a premature initiation of DNA…”
Get full text

Restoration of DNA synthesis at non-permissive temperature and of UV resistance induced by bacteriophage Mu in Escherichia coli lig ts7 strain by Ghelardini, P, Paolozzi, L, Liebart, J C

“…Infected by Mu, a mutant of E. coli, carrying the mutation lig ts7 shows a UV sensitivity intermediate between that of the uninfected lig-strain and that of…”
Get more information

Restoration of ligase activity in E. coli K12 lig ts7 strain by bacteriophage Mu and cloning of a DNA fragment harbouring the Mu ‘lig’ gene by Ghelardini, P., Paolozzi, L., Liebart, J.C.

“…Restoration of ligase activity has been observed in E. coli K12 ligts7 strain lysogenic for Mu , in presence as well in absence of lysogenic imunity. This…”
Get full text

Protein Isoaspartate Methyltransferase Is a Multicopy Suppressor of Protein Aggregation in Escherichia coli by KERN, Renée, MALKI, Abderrahim, ABDALLAH, Jad, LIEBART, Jean-Claude, DUBUCS, Catherine, MYEONG HEE YU, RICHARME, Gilbert

“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
Get full text

Conservative Integration of Bacteriophage Mu DNA Into pBR322 Plasmid by Liebart, J C, Ghelardini, P, Paolozzi, L

“…In order to clarify the first step in Mu integrative recombination, the authors have infected a bacterial strain harboring the plasmid pBR322 and isolated Mu…”
Get full text

Escherichia coli K12 mutant with increased RNA content and messenger RNA stability by Liebart, J C, Marcovich, H

“…A strain of Escherichia coli has been isolated from a E. coli HfrH after a treatment with nitrosoguanidine for a partial resistance to thymineless death. This…”
Get more information

Escherichia coli K-12 yrB gene product is involved in the lethal effect of the ligts2 mutant of bacteriophage Mu by Ghelardini, P, Liebart, J C, Marchelli, C, Pedrini, A M, Paolozzi, L

“…Mu ligts2 mutants, defective for development and integration, show a high killing effect on the infected host. A number of survivors to Mu ligts2 infection…”
Get full text

Two classes of Mu lig mutants: the thermosensitives for integration and replication and the hyperproducers for ligase by Paolozzi, L., Ghelardini, P., Liebart, J.C., Capozzoni, A., Marchelli, C.

“…We have previously shown that Mu restores an active DNA replication at non-permissive temperature in E. coli K12 ligts7 strains. In this paper we describe two…”
Get full text

Ligase activity of lig- bacteria infected with mu bacteriophage at non-permissive temperatures by Ghelardini, P, Paolozzi, L, Liébart, J C, Marcovich, H

“…Infection of bacteria E. coli lig ts7, which contain a thermosensitive ligase by phage Mu results in a decrease in the sensitivity to the lethal action of…”
Get more information

Use of an agar culture medium for experiments on tritiated thymidine incorporation into chicken embryonal gonads by Gasc, J M, Liébart, J C

Get more information