Lista de obras - Svein Valla - Dominio Público Uruguay

1H, 13C and 15N resonances of the AlgE62 subunit from Azotobacter vinelandii mannuronan C5-epimerase

artículo científico publicado en 2010

A comparative analysis of the properties of regulated promoter systems commonly used for recombinant gene expression in Escherichia coli.

artículo científico publicado en 2013

A family of modular type mannuronan C-5-epimerase genes controls alginate structure in Azotobacter vinelandii.

artículo científico publicado en 1995

A new Azotobacter vinelandii mannuronan C-5-epimerase gene (algG) is part of an alg gene cluster physically organized in a manner similar to that in Pseudomonas aeruginosa

artículo científico publicado en 1996

A new and improved host-independent plasmid system for RK2-based conjugal transfer

artículo científico publicado en 2014

A new gene required for cellulose production and a gene encoding cellulolytic activity in Acetobacter xylinum are colocalized with the bcs operon

artículo científico publicado en 1994

A plasmid RK2-based broad-host-range cloning vector useful for transfer of metagenomic libraries to a variety of bacterial species

artículo científico publicado en 2009

A small derivative of the broad-host-range plasmid RK2 which can be switched from a replicating to a non-replicating state as a response to an externally added inducer

artículo científico publicado en 1999

AlgX is a periplasmic protein required for alginate biosynthesis in Pseudomonas aeruginosa

scientific journal article

Alginate Biosynthesis Factories in Pseudomonas fluorescens: Localization and Correlation with Alginate Production Level.

artículo científico

An experimental study on carbon flow in Escherichia coli as a function of kinetic properties and expression levels of the enzyme phosphoglucomutase

scientific article published on 01 April 1998

Bacterial alginates: biosynthesis and applications ⬇️

artículo científico publicado el 1 de septiembre de 1997

Benzoic Acid-Inducible Gene Expression in Mycobacteria.

artículo científico publicado en 2015

Biochemical properties and substrate specificities of a recombinantly produced Azotobacter vinelandii alginate lyase

artículo científico publicado en 1998

Biosynthesis of the polyene antifungal antibiotic nystatin in Streptomyces noursei ATCC 11455: analysis of the gene cluster and deduction of the biosynthetic pathway. ⬇️

artículo científico publicado en 2000

Broad-host-range plasmid pJB658 can be used for industrial-level production of a secreted host-toxic single-chain antibody fragment in Escherichia coli

artículo científico publicado en 2004

Broad-host-range plasmid vectors for gene expression in bacteria.

artículo científico publicado en 2011

Characterization of three new Azotobacter vinelandii alginate lyases, one of which is involved in cyst germination

artículo científico publicado en 2009

Cloning and expression of an Azotobacter vinelandii mannuronan C-5-epimerase gene

artículo científico publicado en 1994

Cloning and expression of three new Aazotobacter vinelandii genes closely related to a previously described gene family encoding mannuronan C-5-epimerases.

artículo científico publicado en 1999

Cloning of a gene involved in cellulose biosynthesis in Acetobacter xylinum: complementation of cellulose-negative mutants by the UDPG pyrophosphorylase structural gene

artículo científico publicado en 1989

Combinatorial engineering for heterologous gene expression.

artículo científico publicado en 2013

Combinatorial mutagenesis and selection of improved signal sequences and their application for high-level production of translocated heterologous proteins in Escherichia coli

artículo científico publicado en 2012

Combinatorial mutagenesis and selection to understand and improve yeast promoters

artículo científico publicado en 2013

Conjugative transfer of the naturally occurring plasmids of Acetobacter xylinum by IncP-plasmid-mediated mobilization

artículo científico publicado en 1986

Construction and analyses of hybrid Azotobacter vinelandii mannuronan C-5 epimerases with new epimerization pattern characteristics

artículo científico publicado en 2004

Continuous control of the flow in biochemical pathways through 5' untranslated region sequence modifications in mRNA expressed from the broad-host-range promoter Pm

artículo científico publicado en 2011

Design and optimization of short DNA sequences that can be used as 5' fusion partners for high-level expression of heterologous genes in Escherichia coli

artículo científico publicado en 2013

Development of a gene transfer system for curing of plasmids in the marine fish pathogen Vibrio salmonicida ⬇️

artículo científico publicado el 1 de junio de 1992

Directed evolution of the transcription factor XylS for development of improved expression systems ⬇️

artículo científico publicado el 3 de junio de 2009

Exploring the 5'-UTR DNA region as a target for optimizing recombinant gene expression from the strong and inducible Pm promoter in Escherichia coli

artículo científico publicado en 2011

Genome sequence of Azotobacter vinelandii, an obligate aerobe specialized to support diverse anaerobic metabolic processes

artículo científico publicado en 2009

Heterologous gene expression in Lactococcus lactis; expression of the Azotobacter vinelandii algE6 gene product displaying mannuronan C-5 epimerase activity.

artículo científico publicado en 2003

Hexaene derivatives of nystatin produced as a result of an induced rearrangement within the nysC polyketide synthase gene in S. noursei ATCC 11455.

artículo científico publicado en 2002

High coverage sequencing of DNA from microorganisms living in an oil reservoir 2.5 kilometres subsurface

artículo científico publicado en 2011

Identification and characterization of an Azotobacter vinelandii type I secretion system responsible for export of the AlgE-type mannuronan C-5-epimerases

artículo científico publicado en 2006

Identification of Regulatory Genes and Metabolic Processes Important for Alginate Biosynthesis in Azotobacter vinelandii by Screening of a Transposon Insertion Mutant Library

artículo científico publicado en 2019

Identification of a gene cluster for antibacterial polyketide-derived antibiotic biosynthesis in the nystatin producer Streptomyces noursei ATCC 11455.

artículo científico publicado en 2000

Identification of genes affecting alginate biosynthesis in Pseudomonas fluorescens by screening a transposon insertion library

artículo científico publicado en 2017

Improved Broad-Host-Range RK2 Vectors Useful for High and Low Regulated Gene Expression Levels in Gram-Negative Bacteria ⬇️

artículo científico publicado el 1 de enero de 1997

In vitro determined kinetic properties of mutant phosphoglucomutases and their effects on sugar catabolism in Escherichia coli

artículo científico publicado en 2000

In vivo analysis of the regulatory genes in the nystatin biosynthetic gene cluster of Streptomyces noursei ATCC 11455 reveals their differential control over antibiotic biosynthesis. ⬇️

artículo científico publicado en 2004

Isolation and characterization of a new extracellular polysaccharide from a cellulose-negative strain of Acetobacter xylinum

scientific article published on 01 June 1981

Isolation and characterization of marine pigmented bacteria from Norwegian coastal waters and screening for carotenoids with UVA-blue light absorbing properties

artículo científico publicado en 2010

Isolation of mutant alginate lyases with cleavage specificity for di-guluronic acid linkages.

artículo científico publicado en 2010

Mannuronan C-5 epimerases and cellular differentiation of Azotobacter vinelandii.

artículo científico publicado en 2000

Mannuronan C-5 epimerases suited for tailoring of specific alginate structures obtained by high-throughput screening of an epimerase mutant library

artículo científico publicado en 2013

Mapping global effects of the anti-sigma factor MucA in Pseudomonas fluorescens SBW25 through genome-scale metabolic modeling

artículo científico publicado en 2013

Metagenomics of microbial life in extreme temperature environments

artículo científico publicado en 2012

Molecular cloning and analysis of a pleiotropic regulatory gene locus from the nystatin producer Streptomyces noursei ATCC11455. ⬇️

artículo científico publicado en 1999

Mutational Analyses of Glucose Dehydrogenase and Glucose-6-Phosphate Dehydrogenase Genes in Pseudomonas fluorescens Reveal Their Effects on Growth and Alginate Production.

artículo científico publicado en 2015

NMR assignment of the R-module from the Azotobacter vinelandii Mannuronan C5-epimerase AlgE4

artículo científico publicado en 2005

NMR assignments of 1H, 13C and 15N resonances of the C-terminal subunit from Azotobacter vinelandii mannuronan C5-epimerase 6 (AlgE6R3).

artículo científico publicado en 2010

NMR structure of the R-module: a parallel beta-roll subunit from an Azotobacter vinelandii mannuronan C-5 epimerase.

artículo científico publicado en 2006

New insights into Pseudomonas fluorescens alginate biosynthesis relevant for the establishment of an efficient production process for microbial alginates

artículo científico publicado en 2016

Non-Invasive Analysis of Recombinant mRNA Stability in Escherichia coli by a Combination of Transcriptional Inducer Wash-Out and qRT-PCR.

artículo científico publicado en 2013

Nucleotide sequence and expression analysis of the Acetobacter xylinum phosphoglucomutase gene

artículo científico publicado en 1994

Nucleotide sequence and expression analysis of the Acetobacter xylinum uridine diphosphoglucose pyrophosphorylase gene

artículo científico publicado en 1991

Overexpression of wild-type aspartokinase increases L-lysine production in the thermotolerant methylotrophic bacterium Bacillus methanolicus.

artículo científico publicado en 2008

Parameters affecting gene expression from the Pm promoter in gram-negative bacteria

artículo científico publicado en 2000

Physiological analysis of the expression of the styrene degradation gene cluster in Pseudomonas fluorescens ST.

artículo científico publicado en 2000

Plasmid-dependent methylotrophy in thermotolerant Bacillus methanolicus

artículo científico publicado en 2004

Pm promoter expression mutants and their use in broad-host-range RK2 plasmid vectors

artículo científico publicado en 2000

Positively regulated bacterial expression systems.

scientific article published on 15 October 2008

Ralstonia sp. U2 naphthalene dioxygenase and Comamonas sp. JS765 nitrobenzene dioxygenase show differences in activity towards methylated naphthalenes

artículo científico publicado en 2011

Random mutagenesis of the PM promoter as a powerful strategy for improvement of recombinant-gene expression

artículo científico publicado en 2009

Rapid reagentless quantification of alginate biosynthesis in Pseudomonas fluorescens bacteria mutants using FT-IR spectroscopy coupled to multivariate partial least squares regression.

artículo científico publicado en 2012

Regulation of the expression level of transcription factor XylS reveals new functional insight into its induction mechanism at the Pm promoter

artículo científico publicado en 2013

Role of the Pseudomonas fluorescens alginate lyase (AlgL) in clearing the periplasm of alginates not exported to the extracellular environment

artículo científico publicado en 2005

RpoS controls the expression and the transport of the AlgE1-7 epimerases in Azotobacter vinelandii

artículo científico publicado en 2018

Safety in numbers: multiple occurrences of highly similar homologs among Azotobacter vinelandii carbohydrate metabolism proteins probably confer adaptive benefits

artículo científico publicado en 2014

Species-dependent phenotypes of replication-temperature-sensitive trfA mutants of plasmid RK2: a codon-neutral base substitution stimulates temperature sensitivity by leading to reduced levels of trfA expression.

artículo científico publicado en 1998

Strong stimulation of recombinant protein production in Escherichia coli by combining stimulatory control elements in an expression cassette

artículo científico publicado en 2012

Structural and Mutational Characterization of the Catalytic A-module of the Mannuronan C-5-epimerase AlgE4 from Azotobacter vinelandii

artículo científico publicado en 2008

Structural and functional characterization of the R-modules in alginate C-5 epimerases AlgE4 and AlgE6 from Azotobacter vinelandii

artículo científico publicado en 2014

The A modules of the Azotobacter vinelandii mannuronan-C-5-epimerase AlgE1 are sufficient for both epimerization and binding of Ca2+.

artículo científico publicado en 1999

The Acinetobacter sp. chnB promoter together with its cognate positive regulator ChnR is an attractive new candidate for metabolic engineering applications in bacteria.

artículo científico publicado en 2007

The Azotobacter vinelandii AlgE mannuronan C-5-epimerase family is essential for the in vivo control of alginate monomer composition and for functional cyst formation.

artículo científico publicado en 2008

The Azotobacter vinelandii mannuronan C-5-epimerase AlgE1 consists of two separate catalytic domains

artículo científico publicado en 1998

The Pseudomonas fluorescens AlgG protein, but not its mannuronan C-5-epimerase activity, is needed for alginate polymer formation.

artículo científico publicado en 2003

The Pseudomonas syringae genome encodes a combined mannuronan C-5-epimerase and O-acetylhydrolase, which strongly enhances the predicted gel-forming properties of alginates.

artículo científico publicado en 2004

The XylS/Pm regulator/promoter system and its use in fundamental studies of bacterial gene expression, recombinant protein production and metabolic engineering

artículo científico publicado en 2017

The catalytic activities of the bifunctional Azotobacter vinelandii mannuronan C-5-epimerase and alginate lyase AlgE7 probably originate from the same active site in the enzyme.

artículo científico publicado en 2001

The dual roles of AlgG in C-5-epimerization and secretion of alginate polymers in Pseudomonas aeruginosa

scientific journal article

The expression of recombinant genes in Escherichia coli can be strongly stimulated at the transcript production level by mutating the DNA-region corresponding to the 5'-untranslated part of mRNA.

artículo científico publicado en 2009

The future is artificial ⬇️

artículo científico publicado el 1 de marzo de 2009

The host range of RK2 minimal replicon copy-up mutants is limited by species-specific differences in the maximum tolerable copy number

artículo científico publicado en 1995

The microbial communities in two apparently physically separated deep subsurface oil reservoirs show extensive DNA sequence similarities

artículo científico publicado en 2013

The phenotypes of temperature-sensitive mini-RK2 replicons carrying mutations in the replication control gene trfA are suppressed nonspecifically by intragenic cop mutations ⬇️

artículo científico publicado el 1 de noviembre de 1992

The plasmids of Acetobacter xylinum and their interaction with the host chromosome

artículo científico publicado en 1987

The presence of N-terminal secretion signal sequences leads to strong stimulation of the total expression levels of three tested medically important proteins during high-cell-density cultivations of Escherichia coli

artículo científico publicado en 2006

The recombinant Azotobacter vinelandii mannuronan C-5-epimerase AlgE4 epimerizes alginate by a nonrandom attack mechanism

artículo científico publicado en 1999

Time-resolved 1H and 13C NMR spectroscopy for detailed analyses of the Azotobacter vinelandii mannuronan C-5 epimerase reaction

artículo científico publicado en 2002

Upregulated transcription of plasmid and chromosomal ribulose monophosphate pathway genes is critical for methanol assimilation rate and methanol tolerance in the methylotrophic bacterium Bacillus methanolicus

artículo científico publicado en 2006

Use of protein trans-splicing to produce active and segmentally (2)H, (15)N labeled mannuronan C5-epimerase AlgE4

artículo científico publicado en 2010

Lista de obras de Svein Valla

1H, 13C and 15N resonances of the AlgE62 subunit from Azotobacter vinelandii mannuronan C5-epimerase

A comparative analysis of the properties of regulated promoter systems commonly used for recombinant gene expression in Escherichia coli.

A family of modular type mannuronan C-5-epimerase genes controls alginate structure in Azotobacter vinelandii.

A new Azotobacter vinelandii mannuronan C-5-epimerase gene (algG) is part of an alg gene cluster physically organized in a manner similar to that in Pseudomonas aeruginosa

A new and improved host-independent plasmid system for RK2-based conjugal transfer

A new gene required for cellulose production and a gene encoding cellulolytic activity in Acetobacter xylinum are colocalized with the bcs operon

A plasmid RK2-based broad-host-range cloning vector useful for transfer of metagenomic libraries to a variety of bacterial species

A small derivative of the broad-host-range plasmid RK2 which can be switched from a replicating to a non-replicating state as a response to an externally added inducer

AlgX is a periplasmic protein required for alginate biosynthesis in Pseudomonas aeruginosa

Alginate Biosynthesis Factories in Pseudomonas fluorescens: Localization and Correlation with Alginate Production Level.

An experimental study on carbon flow in Escherichia coli as a function of kinetic properties and expression levels of the enzyme phosphoglucomutase

Bacterial alginates: biosynthesis and applications ⬇️

Benzoic Acid-Inducible Gene Expression in Mycobacteria.

Biochemical properties and substrate specificities of a recombinantly produced Azotobacter vinelandii alginate lyase

Biosynthesis of the polyene antifungal antibiotic nystatin in Streptomyces noursei ATCC 11455: analysis of the gene cluster and deduction of the biosynthetic pathway. ⬇️

Broad-host-range plasmid pJB658 can be used for industrial-level production of a secreted host-toxic single-chain antibody fragment in Escherichia coli

Broad-host-range plasmid vectors for gene expression in bacteria.

Characterization of three new Azotobacter vinelandii alginate lyases, one of which is involved in cyst germination

Cloning and expression of an Azotobacter vinelandii mannuronan C-5-epimerase gene

Cloning and expression of three new Aazotobacter vinelandii genes closely related to a previously described gene family encoding mannuronan C-5-epimerases.

Cloning of a gene involved in cellulose biosynthesis in Acetobacter xylinum: complementation of cellulose-negative mutants by the UDPG pyrophosphorylase structural gene

Combinatorial engineering for heterologous gene expression.

Combinatorial mutagenesis and selection of improved signal sequences and their application for high-level production of translocated heterologous proteins in Escherichia coli

Combinatorial mutagenesis and selection to understand and improve yeast promoters

Conjugative transfer of the naturally occurring plasmids of Acetobacter xylinum by IncP-plasmid-mediated mobilization

Construction and analyses of hybrid Azotobacter vinelandii mannuronan C-5 epimerases with new epimerization pattern characteristics

Continuous control of the flow in biochemical pathways through 5' untranslated region sequence modifications in mRNA expressed from the broad-host-range promoter Pm

Design and optimization of short DNA sequences that can be used as 5' fusion partners for high-level expression of heterologous genes in Escherichia coli

Development of a gene transfer system for curing of plasmids in the marine fish pathogen Vibrio salmonicida ⬇️

Directed evolution of the transcription factor XylS for development of improved expression systems ⬇️

Exploring the 5'-UTR DNA region as a target for optimizing recombinant gene expression from the strong and inducible Pm promoter in Escherichia coli

Genome sequence of Azotobacter vinelandii, an obligate aerobe specialized to support diverse anaerobic metabolic processes

Heterologous gene expression in Lactococcus lactis; expression of the Azotobacter vinelandii algE6 gene product displaying mannuronan C-5 epimerase activity.

Hexaene derivatives of nystatin produced as a result of an induced rearrangement within the nysC polyketide synthase gene in S. noursei ATCC 11455.

High coverage sequencing of DNA from microorganisms living in an oil reservoir 2.5 kilometres subsurface

Identification and characterization of an Azotobacter vinelandii type I secretion system responsible for export of the AlgE-type mannuronan C-5-epimerases

Identification of Regulatory Genes and Metabolic Processes Important for Alginate Biosynthesis in Azotobacter vinelandii by Screening of a Transposon Insertion Mutant Library

Identification of a gene cluster for antibacterial polyketide-derived antibiotic biosynthesis in the nystatin producer Streptomyces noursei ATCC 11455.

Identification of genes affecting alginate biosynthesis in Pseudomonas fluorescens by screening a transposon insertion library

Improved Broad-Host-Range RK2 Vectors Useful for High and Low Regulated Gene Expression Levels in Gram-Negative Bacteria ⬇️

In vitro determined kinetic properties of mutant phosphoglucomutases and their effects on sugar catabolism in Escherichia coli

In vivo analysis of the regulatory genes in the nystatin biosynthetic gene cluster of Streptomyces noursei ATCC 11455 reveals their differential control over antibiotic biosynthesis. ⬇️

Isolation and characterization of a new extracellular polysaccharide from a cellulose-negative strain of Acetobacter xylinum

Isolation and characterization of marine pigmented bacteria from Norwegian coastal waters and screening for carotenoids with UVA-blue light absorbing properties

Isolation of mutant alginate lyases with cleavage specificity for di-guluronic acid linkages.

Mannuronan C-5 epimerases and cellular differentiation of Azotobacter vinelandii.

Mannuronan C-5 epimerases suited for tailoring of specific alginate structures obtained by high-throughput screening of an epimerase mutant library

Mapping global effects of the anti-sigma factor MucA in Pseudomonas fluorescens SBW25 through genome-scale metabolic modeling

Metagenomics of microbial life in extreme temperature environments

Molecular cloning and analysis of a pleiotropic regulatory gene locus from the nystatin producer Streptomyces noursei ATCC11455. ⬇️

Mutational Analyses of Glucose Dehydrogenase and Glucose-6-Phosphate Dehydrogenase Genes in Pseudomonas fluorescens Reveal Their Effects on Growth and Alginate Production.

NMR assignment of the R-module from the Azotobacter vinelandii Mannuronan C5-epimerase AlgE4

NMR assignments of 1H, 13C and 15N resonances of the C-terminal subunit from Azotobacter vinelandii mannuronan C5-epimerase 6 (AlgE6R3).

NMR structure of the R-module: a parallel beta-roll subunit from an Azotobacter vinelandii mannuronan C-5 epimerase.

New insights into Pseudomonas fluorescens alginate biosynthesis relevant for the establishment of an efficient production process for microbial alginates

Non-Invasive Analysis of Recombinant mRNA Stability in Escherichia coli by a Combination of Transcriptional Inducer Wash-Out and qRT-PCR.

Nucleotide sequence and expression analysis of the Acetobacter xylinum phosphoglucomutase gene

Nucleotide sequence and expression analysis of the Acetobacter xylinum uridine diphosphoglucose pyrophosphorylase gene

Overexpression of wild-type aspartokinase increases L-lysine production in the thermotolerant methylotrophic bacterium Bacillus methanolicus.

Parameters affecting gene expression from the Pm promoter in gram-negative bacteria

Physiological analysis of the expression of the styrene degradation gene cluster in Pseudomonas fluorescens ST.

Plasmid-dependent methylotrophy in thermotolerant Bacillus methanolicus

Pm promoter expression mutants and their use in broad-host-range RK2 plasmid vectors

Positively regulated bacterial expression systems.

Ralstonia sp. U2 naphthalene dioxygenase and Comamonas sp. JS765 nitrobenzene dioxygenase show differences in activity towards methylated naphthalenes

Random mutagenesis of the PM promoter as a powerful strategy for improvement of recombinant-gene expression

Rapid reagentless quantification of alginate biosynthesis in Pseudomonas fluorescens bacteria mutants using FT-IR spectroscopy coupled to multivariate partial least squares regression.

Regulation of the expression level of transcription factor XylS reveals new functional insight into its induction mechanism at the Pm promoter

Role of the Pseudomonas fluorescens alginate lyase (AlgL) in clearing the periplasm of alginates not exported to the extracellular environment

RpoS controls the expression and the transport of the AlgE1-7 epimerases in Azotobacter vinelandii

Safety in numbers: multiple occurrences of highly similar homologs among Azotobacter vinelandii carbohydrate metabolism proteins probably confer adaptive benefits

Species-dependent phenotypes of replication-temperature-sensitive trfA mutants of plasmid RK2: a codon-neutral base substitution stimulates temperature sensitivity by leading to reduced levels of trfA expression.

Strong stimulation of recombinant protein production in Escherichia coli by combining stimulatory control elements in an expression cassette

Structural and Mutational Characterization of the Catalytic A-module of the Mannuronan C-5-epimerase AlgE4 from Azotobacter vinelandii

Structural and functional characterization of the R-modules in alginate C-5 epimerases AlgE4 and AlgE6 from Azotobacter vinelandii

The A modules of the Azotobacter vinelandii mannuronan-C-5-epimerase AlgE1 are sufficient for both epimerization and binding of Ca2+.

The Acinetobacter sp. chnB promoter together with its cognate positive regulator ChnR is an attractive new candidate for metabolic engineering applications in bacteria.

The Azotobacter vinelandii AlgE mannuronan C-5-epimerase family is essential for the in vivo control of alginate monomer composition and for functional cyst formation.

The Azotobacter vinelandii mannuronan C-5-epimerase AlgE1 consists of two separate catalytic domains