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E. coli mutants

Unveiling novel RecO distant orthologues involved in homologous recombination.

Unveiling novel RecO distant orthologues involved in homologous recombination.

... E. coli, two major DNA recombination pathways coexist and are complementary, the RecFOR and the RecBCD ...E. coli mutants with null mutations in recB or recC genes have reduced viability (around 30%) ...

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Expression of acrA and acrB Genes in Esherichia coli Mutants with or without marR or acrR Mutations

Expression of acrA and acrB Genes in Esherichia coli Mutants with or without marR or acrR Mutations

... Esherichia coli is ...E. coli mutants with or without mutation in marR to search for the presence of possible mutation in acrR and to quantify the expression of ...

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Construction and validation of Escherichia coli mutants to improve the curcumin production by an engineered strain

Construction and validation of Escherichia coli mutants to improve the curcumin production by an engineered strain

... Escherichia coli K-12 MG1655 (DE3) was previously engineered with three enzymatic steps (4-coumarate-CoA ligase, diketide-CoA synthase and curcumin synthase 1) that catalyze the production of curcumin from ferulic ...

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The Arabidopsis thaliana F-box protein FBL17 is essential for progression through the second mitosis during pollen development.

The Arabidopsis thaliana F-box protein FBL17 is essential for progression through the second mitosis during pollen development.

... loss-of-function mutants would arrest at the G1/S ...fbl17 mutants are arrested in the G1 phase and similarly to wild type would be still susceptible to an S- phase trigger late in ...

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p53 upregulation is a frequent response to deficiency of cell-essential genes.

p53 upregulation is a frequent response to deficiency of cell-essential genes.

... means that the classic genotype – phenotype concept cannot be applied to mutations in many housekeeping genes since the resulting phenotype would depend on p53. In fact, many papers have interpreted the phenotypic ...

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The inhibition of polo kinase by matrimony maintains G2 arrest in the meiotic cell cycle.

The inhibition of polo kinase by matrimony maintains G2 arrest in the meiotic cell cycle.

... Finally, we should note that while Mtrm is the first known protein that is able to inactivate Polo by physical interaction with Polo itself; there is certainly additional mechanisms of Polo regulation. For example, ...

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The mitochondrial fusion-promoting factor mitofusin is a substrate of the PINK1/parkin pathway.

The mitochondrial fusion-promoting factor mitofusin is a substrate of the PINK1/parkin pathway.

... parkin mutants and decreased upon overexpression of PINK1 and Parkin is consistent with the hypothesis that PINK1 and Parkin promote the ubiquitin-mediated turnover of ...PINK1 mutants and parkin ...

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The proto-oncogene Int6 is essential for neddylation of Cul1 and Cul3 in Drosophila.

The proto-oncogene Int6 is essential for neddylation of Cul1 and Cul3 in Drosophila.

... Int6 mutants demonstrates that Int6 is a negative regulator of Cul1 levels in ...Int6 mutants is not a result of elevated RNA levels since the levels of Cul1 mRNA in the Int6 ...

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HIGH LEVELS OF CATALASE IN SOD MUTANTS OF SACCHAROMYCES CEREVISIAE IN HIGH AERATION CONDITIONS

HIGH LEVELS OF CATALASE IN SOD MUTANTS OF SACCHAROMYCES CEREVISIAE IN HIGH AERATION CONDITIONS

... 9. Manfredini, V.; Roehrs, R.; Peralba, M.C.; Henriques, J.A.P.; Saffi, J.; Ramos, A.L.P.; Benfato, M.S. Glutathione Peroxidase Induction Protects sod1Δsod2Δ? Double Mutants Against Oxidative Damage in S. ...

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Lack of correlation between the kinase activity of LRRK2 harboring kinase-modifying mutations and its phosphorylation at Ser910, 935, and Ser955.

Lack of correlation between the kinase activity of LRRK2 harboring kinase-modifying mutations and its phosphorylation at Ser910, 935, and Ser955.

... required for binding ATP (or ATP-competitive inhibitors) with proper orientation, whereas Asp1994 and Thr2035 which are equivalent to Asp166 and Thr201 in PKA are supposed to be required for positioning the catalytic ...

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Overexpression of Salmonella enterica serovar Typhi recA gene confers fluoroquinolone resistance in Escherichia coli DH5 a

Overexpression of Salmonella enterica serovar Typhi recA gene confers fluoroquinolone resistance in Escherichia coli DH5 a

... E. coli DH5a by transforma- tion, and the transformants were selected on LB agar plates containing 100 mg of ampicillin/mL and ...E. coli clone only exhibited phenotypic resistance to ciprofloxacin, ...

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Functional characterization of the HuR:CD83 mRNA interaction.

Functional characterization of the HuR:CD83 mRNA interaction.

... Maturation of dendritic cells (DC) is characterized by expression of CD83, a surface protein that appears to be necessary for the effective activation of naı¨ve T-cells and T-helper cells by DC. Lately it was shown that ...

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Xue Xu 1,2, , Lili Zhang 1, , Binmei Liu1 , Yafeng Ye1 and Yuejin Wu1

Xue Xu 1,2, , Lili Zhang 1, , Binmei Liu1 , Yafeng Ye1 and Yuejin Wu1

... of mutants that can produce necrotic lesions spontaneously in plants without any attack by ...These mutants have no beneficial effect on plant productivity but provide a unique opportu- nity to study ...

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Analysis of Escherichia coli mutants with a linear respiratory chain.

Analysis of Escherichia coli mutants with a linear respiratory chain.

... The respiratory chain of E. coli is branched to allow the cells’ flexibility to deal with changing environmental conditions. It consists of the NADH:ubiquinone oxidoreductases NADH dehydrogenase I and II, as well ...

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Drosophila clueless is highly expressed in larval neuroblasts, affects mitochondrial localization and suppresses mitochondrial oxidative damage.

Drosophila clueless is highly expressed in larval neuroblasts, affects mitochondrial localization and suppresses mitochondrial oxidative damage.

... Neuroblast Mitochondria are Distinct, Small Spheres Although clu mutants do not have a decreased number of NBs, it was possible that lack of Clu could manifest a subcellular mitochondrial phenotype. Before we ...

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Caracterização epidemiológica, molecular e perfil de resistência aos antimicrobianos de Escherichia coli isoladas de criatórios suínos do sul do Brasil.

Caracterização epidemiológica, molecular e perfil de resistência aos antimicrobianos de Escherichia coli isoladas de criatórios suínos do sul do Brasil.

... RESUMO RESUMO.- A colibacilose é a enfermidade entérica de maior impacto na suinocultura, sendo ocasionada por cepas enterotoxigênicas de Escherichia coli. Quarenta isolados clínicos de suínos com diarréia e 13 ...

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Genetic regulation of Caenorhabditis elegans lysosome related organelle function.

Genetic regulation of Caenorhabditis elegans lysosome related organelle function.

... By systematic examination of a set of 79 genes that affect LRO Nile red, we have identified a number of phenotypic clusters of LRO regulatory genes. These genes, like skat-1, may identify components in the sorting of ...

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The epithelial cell adhesion molecule EpCAM is required for epithelial morphogenesis and integrity during zebrafish epiboly and skin development.

The epithelial cell adhesion molecule EpCAM is required for epithelial morphogenesis and integrity during zebrafish epiboly and skin development.

... MZepcam mutants display moderate defects during epiboly movements of both the EVL and the underlying deep cell layers (Figure ...MZepcam mutants, leading to an overall reduction in the average horizontal ...

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A quality control mechanism coordinates meiotic prophase events to promote crossover assurance.

A quality control mechanism coordinates meiotic prophase events to promote crossover assurance.

... double mutants also exhibited a gradual increase in the percentage of meiotic nuclei with complete synapsis (Figures 5A and ...double mutants when compared to meDf2/+ single mutants ...double ...

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Enteroaggregative Escherichia coli strains among classical enteropathogenic Escherichia coli O serogroups

Enteroaggregative Escherichia coli strains among classical enteropathogenic Escherichia coli O serogroups

... Escherichia coli (EAEC) is an emerging cause of diarrhea in both developing and developed countries (6) that is defined by the characteristic pattern of aggregative adherence (AA) to cultured epithelial cells ...

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