In order to enhance heterologous cellulase protein production in yeast, a plasmid harboring the endoglucanase gene from Clostridium thermocellum (Ctcel8A) was used to systematically transform a homozygous diploid yeast deletion strain collection. We identified 55 deletion strains that exhibited enhanced endoglucanase activity compared with that of the wild-type strain. Genes disrupted in these strains were classified into the categories of transcription, translation, phospholipid synthesis, endosome/vacuole function, ER/Golgi function, nitrogen starvation response, and cytoskeleton. The vps3Delta and vps16Delta strains, which have deletion in genes encoding components of the class C core vacuole/endosome tethering (CORVET) complex, also exhibited enhanced beta-glucosidase activity when Ctcel8A was heterologously expressed. Moreover, multiple gene deletion strains were constructed by using the vps3Delta strain. Endoglucanase activity of the resulting rav1Deltavps3Delta double deletion strain was exhibited higher than that of the rav1Delta or vps3Delta strains. Our genome-wide analyses using the yeast deletion strain collection identified useful genes that allow efficient expression of cellulase.CI - Copyright (c) 2010 Elsevier B.V. All rights reserved.
|Evidence ID||Analyze ID||Interactor||Interactor Systematic Name||Interactor||Interactor Systematic Name||Type||Assay||Annotation||Action||Modification||Phenotype||Source||Reference||Note|
|Evidence ID||Analyze ID||Gene||Gene Systematic Name||Gene Ontology Term||Gene Ontology Term ID||Qualifier||Aspect||Method||Evidence||Source||Assigned On||Annotation Extension||Reference|
|Evidence ID||Analyze ID||Gene||Gene Systematic Name||Phenotype||Experiment Type||Experiment Type Category||Mutant Information||Strain Background||Chemical||Details||Reference|
|Evidence ID||Analyze ID||Regulator||Regulator Systematic Name||Target||Target Systematic Name||Experiment||Assay||Construct||Conditions||Strain Background||Reference|