Serveur d'exploration sur le phanerochaete

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Co-expression of a Phanerochaete chrysosporium cellobiohydrolase gene and a Butyrivibrio fibrisolvens endo-beta-1,4-glucanase gene in Saccharomyces cerevisiae.

Identifieur interne : 000C63 ( Main/Exploration ); précédent : 000C62; suivant : 000C64

Co-expression of a Phanerochaete chrysosporium cellobiohydrolase gene and a Butyrivibrio fibrisolvens endo-beta-1,4-glucanase gene in Saccharomyces cerevisiae.

Auteurs : P. Van Rensburg [Afrique du Sud] ; W H Van Zyl ; I S Pretorius

Source :

RBID : pubmed:8753654

Descripteurs français

English descriptors

Abstract

A cDNA fragment encoding the Phanerochaete chrysosporium cellobiohydrolase (cbh1-4) was amplified and cloned with the aid of the polymerase chain reaction (PCR) technique. The cbh1-4 gene and the Butyrivibrio fibrisolvens endo-beta-1,4-glucanase (end1) gene were successfully expressed in Saccharomyces cerevisiae under the control of the phosphoglycerate kinase-I (PGK1) and alcohol dehydrogenase-II (ADH2) gene promoters and terminators, respectively. The native P. chrysosporium signal sequence mediated secretion of cellobiohydrolase in S. cerevisiae, whereas secretion of the endo-beta-1,4-glucanase was directed by the signal sequence of the yeast mating pheromone alpha-factor (MFalpha1S). These constructs, designated CBH1 and END1, respectively, were expressed separately and jointly in S. cerevisiae. The construction of fur1 ura3 S. cerevisiae strains allowed for the autoselection of these multicopy URA3-based plasmids in rich medium. Enzyme assays confirmed that co-expression of CBH1 and END1 synergistically enhanced cellulose degradation by S. cerevisiae.

DOI: 10.1007/s002940050128
PubMed: 8753654


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Le document en format XML

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<title xml:lang="en">Co-expression of a Phanerochaete chrysosporium cellobiohydrolase gene and a Butyrivibrio fibrisolvens endo-beta-1,4-glucanase gene in Saccharomyces cerevisiae.</title>
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<name sortKey="Van Rensburg, P" sort="Van Rensburg, P" uniqKey="Van Rensburg P" first="P" last="Van Rensburg">P. Van Rensburg</name>
<affiliation wicri:level="1">
<nlm:affiliation>Department of Microbiology and Institute for Wine Biotechnology, University of Stellenbosch, Stellenbosch 7600, South Africa.</nlm:affiliation>
<country xml:lang="fr">Afrique du Sud</country>
<wicri:regionArea>Department of Microbiology and Institute for Wine Biotechnology, University of Stellenbosch, Stellenbosch 7600</wicri:regionArea>
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<author>
<name sortKey="Van Zyl, W H" sort="Van Zyl, W H" uniqKey="Van Zyl W" first="W H" last="Van Zyl">W H Van Zyl</name>
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<author>
<name sortKey="Pretorius, I S" sort="Pretorius, I S" uniqKey="Pretorius I" first="I S" last="Pretorius">I S Pretorius</name>
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<name sortKey="Van Rensburg, P" sort="Van Rensburg, P" uniqKey="Van Rensburg P" first="P" last="Van Rensburg">P. Van Rensburg</name>
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<term>Agaricales (enzymology)</term>
<term>Agaricales (genetics)</term>
<term>Base Sequence (MeSH)</term>
<term>Cellulase (biosynthesis)</term>
<term>Cellulase (genetics)</term>
<term>Cellulose 1,4-beta-Cellobiosidase (MeSH)</term>
<term>Cloning, Molecular (MeSH)</term>
<term>DNA Primers (MeSH)</term>
<term>Gene Expression (MeSH)</term>
<term>Genes, Bacterial (MeSH)</term>
<term>Genes, Fungal (MeSH)</term>
<term>Genotype (MeSH)</term>
<term>Glycoside Hydrolases (biosynthesis)</term>
<term>Glycoside Hydrolases (genetics)</term>
<term>Gram-Negative Anaerobic Bacteria (enzymology)</term>
<term>Gram-Negative Anaerobic Bacteria (genetics)</term>
<term>Molecular Sequence Data (MeSH)</term>
<term>Plasmids (MeSH)</term>
<term>Polymerase Chain Reaction (MeSH)</term>
<term>Recombinant Proteins (biosynthesis)</term>
<term>Restriction Mapping (MeSH)</term>
<term>Saccharomyces cerevisiae (genetics)</term>
</keywords>
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<term>Agaricales (enzymologie)</term>
<term>Agaricales (génétique)</term>
<term>Amorces ADN (MeSH)</term>
<term>Bactéries anaérobies à Gram négatif (enzymologie)</term>
<term>Bactéries anaérobies à Gram négatif (génétique)</term>
<term>Cartographie de restriction (MeSH)</term>
<term>Cellulase (biosynthèse)</term>
<term>Cellulase (génétique)</term>
<term>Cellulose 1,4-beta-cellobiosidase (MeSH)</term>
<term>Clonage moléculaire (MeSH)</term>
<term>Données de séquences moléculaires (MeSH)</term>
<term>Expression des gènes (MeSH)</term>
<term>Glycosidases (biosynthèse)</term>
<term>Glycosidases (génétique)</term>
<term>Gènes bactériens (MeSH)</term>
<term>Gènes fongiques (MeSH)</term>
<term>Génotype (MeSH)</term>
<term>Plasmides (MeSH)</term>
<term>Protéines recombinantes (biosynthèse)</term>
<term>Réaction de polymérisation en chaîne (MeSH)</term>
<term>Saccharomyces cerevisiae (génétique)</term>
<term>Séquence nucléotidique (MeSH)</term>
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<keywords scheme="MESH" type="chemical" qualifier="biosynthesis" xml:lang="en">
<term>Cellulase</term>
<term>Glycoside Hydrolases</term>
<term>Recombinant Proteins</term>
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<keywords scheme="MESH" qualifier="biosynthèse" xml:lang="fr">
<term>Cellulase</term>
<term>Glycosidases</term>
<term>Protéines recombinantes</term>
</keywords>
<keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr">
<term>Agaricales</term>
<term>Bactéries anaérobies à Gram négatif</term>
</keywords>
<keywords scheme="MESH" qualifier="enzymology" xml:lang="en">
<term>Agaricales</term>
<term>Gram-Negative Anaerobic Bacteria</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en">
<term>Agaricales</term>
<term>Cellulase</term>
<term>Glycoside Hydrolases</term>
<term>Gram-Negative Anaerobic Bacteria</term>
<term>Saccharomyces cerevisiae</term>
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<term>Agaricales</term>
<term>Bactéries anaérobies à Gram négatif</term>
<term>Cellulase</term>
<term>Glycosidases</term>
<term>Saccharomyces cerevisiae</term>
</keywords>
<keywords scheme="MESH" xml:lang="en">
<term>Base Sequence</term>
<term>Cellulose 1,4-beta-Cellobiosidase</term>
<term>Cloning, Molecular</term>
<term>DNA Primers</term>
<term>Gene Expression</term>
<term>Genes, Bacterial</term>
<term>Genes, Fungal</term>
<term>Genotype</term>
<term>Molecular Sequence Data</term>
<term>Plasmids</term>
<term>Polymerase Chain Reaction</term>
<term>Restriction Mapping</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr">
<term>Amorces ADN</term>
<term>Cartographie de restriction</term>
<term>Cellulose 1,4-beta-cellobiosidase</term>
<term>Clonage moléculaire</term>
<term>Données de séquences moléculaires</term>
<term>Expression des gènes</term>
<term>Gènes bactériens</term>
<term>Gènes fongiques</term>
<term>Génotype</term>
<term>Plasmides</term>
<term>Réaction de polymérisation en chaîne</term>
<term>Séquence nucléotidique</term>
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<div type="abstract" xml:lang="en">A cDNA fragment encoding the Phanerochaete chrysosporium cellobiohydrolase (cbh1-4) was amplified and cloned with the aid of the polymerase chain reaction (PCR) technique. The cbh1-4 gene and the Butyrivibrio fibrisolvens endo-beta-1,4-glucanase (end1) gene were successfully expressed in Saccharomyces cerevisiae under the control of the phosphoglycerate kinase-I (PGK1) and alcohol dehydrogenase-II (ADH2) gene promoters and terminators, respectively. The native P. chrysosporium signal sequence mediated secretion of cellobiohydrolase in S. cerevisiae, whereas secretion of the endo-beta-1,4-glucanase was directed by the signal sequence of the yeast mating pheromone alpha-factor (MFalpha1S). These constructs, designated CBH1 and END1, respectively, were expressed separately and jointly in S. cerevisiae. The construction of fur1 ura3 S. cerevisiae strains allowed for the autoselection of these multicopy URA3-based plasmids in rich medium. Enzyme assays confirmed that co-expression of CBH1 and END1 synergistically enhanced cellulose degradation by S. cerevisiae.</div>
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<AbstractText>A cDNA fragment encoding the Phanerochaete chrysosporium cellobiohydrolase (cbh1-4) was amplified and cloned with the aid of the polymerase chain reaction (PCR) technique. The cbh1-4 gene and the Butyrivibrio fibrisolvens endo-beta-1,4-glucanase (end1) gene were successfully expressed in Saccharomyces cerevisiae under the control of the phosphoglycerate kinase-I (PGK1) and alcohol dehydrogenase-II (ADH2) gene promoters and terminators, respectively. The native P. chrysosporium signal sequence mediated secretion of cellobiohydrolase in S. cerevisiae, whereas secretion of the endo-beta-1,4-glucanase was directed by the signal sequence of the yeast mating pheromone alpha-factor (MFalpha1S). These constructs, designated CBH1 and END1, respectively, were expressed separately and jointly in S. cerevisiae. The construction of fur1 ura3 S. cerevisiae strains allowed for the autoselection of these multicopy URA3-based plasmids in rich medium. Enzyme assays confirmed that co-expression of CBH1 and END1 synergistically enhanced cellulose degradation by S. cerevisiae.</AbstractText>
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