Abstract:
AIMS:To investigate the factors affecting expression and solubilization of Escherichia coli maltodextrin glucosidase in E. coli. METHODS AND RESULTS:Expression level and solubilization of the recombinant E. coli maltodextrin glucosidase was studied in E. coli at different temperatures, in presence of overexpressed GroEL, GroES and externally supplemented glycerol. Aggregation of maltodextrin glucosidase in the cytoplasm was partially prevented by the co-expression of GroEL and GroES, and using externally supplemented glycerol or lowering the culture temperature. Co-expression of GroEL and GroES or simultaneous presence of overexpressed GroEL, GroES and externally supplemented glycerol together resulted significant increase of the activity of maltodextrin glucosidase. The growth rate of E. coli was inhibited by the formation of inclusion bodies whereas the presence of overexpressed GroEL, GroES alone or together with glycerol enhanced the growth rate of E. coli substantially. CONCLUSIONS:The results indicated that lowering the temperature, use of GroEL, GroES and glycerol could be few controlling factors for the solubilization of recombinant aggregation-prone maltodextrin glucosidase in E. coli. SIGNIFICANCE AND IMPACT OF THE STUDY:Our study could help in developing the strategy for enhancing the production of soluble industrial enzymes and finding the therapeutic agents against protein misfolding diseases.
journal_name
J Appl Microbioljournal_title
Journal of applied microbiologyauthors
Paul S,Chaudhuri TKdoi
10.1111/j.1365-2672.2007.03519.xsubject
Has Abstractpub_date
2008-01-01 00:00:00pages
35-41issue
1eissn
1364-5072issn
1365-2672pii
JAM3519journal_volume
104pub_type
杂志文章abstract:AIMS:To add a spore germination step in order to reduce decontamination temperature and time requirements compared to the current hot, humid air decontamination parameters, which are 75-80°C, ≥72 h, 70-90% RH, down to ≤60°C and ≤24 h total decontamination time. METHODS AND RESULTS:Bacillus anthracis spore germination ...
journal_title:Journal of applied microbiology
pub_type: 杂志文章
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journal_title:Journal of applied microbiology
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journal_title:Journal of applied microbiology
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journal_title:Journal of applied microbiology
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abstract:AIMS:To investigate the genetic basis of Cr(VI) resistance and its reduction to Cr(III) in indigenous bacteria isolated from tannery effluent. METHODS AND RESULTS:Four bacteria resistant to high Cr(VI) levels were isolated and identified as Bacillus spp. Their Cr(VI) reduction ability was tested. To assess the genetic...
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journal_title:Journal of applied microbiology
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journal_title:Journal of applied microbiology
pub_type: 杂志文章
doi:10.1046/j.1365-2672.1998.00412.x
更新日期:1998-05-01 00:00:00
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journal_title:Journal of applied microbiology
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更新日期:2011-02-01 00:00:00
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journal_title:Journal of applied microbiology
pub_type: 杂志文章
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journal_title:Journal of applied microbiology
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journal_title:Journal of applied microbiology
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journal_title:Journal of applied microbiology
pub_type: 杂志文章
doi:10.1111/j.1365-2672.2005.02616.x
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abstract::The influence of growth phase on the evolution of cellular fatty acids (CFA) and survival of Sinorhizobium and Bradyrhizobium during desiccation and storage at different levels of relative humidity (R. H.) was studied. Lactobacillic, cis vaccenic and palmitic acids were the major fatty acids of S. meliloti RCR 2011, B...
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journal_title:Journal of applied microbiology
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journal_title:Journal of applied microbiology
pub_type: 杂志文章
doi:
更新日期:1997-05-01 00:00:00
abstract::Grab samples of drinking water collected from reservoirs and from creeks flowing over pristine land, farmland or land having mixed use were analysed for their physicochemical and microbiological characteristics. A significant difference between sites for conductivity and sites for pH was noted using a two-way ANOVA. N...
journal_title:Journal of applied microbiology
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journal_title:Journal of applied microbiology
pub_type: 杂志文章
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更新日期:2003-01-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2003-01-01 00:00:00
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journal_title:Journal of applied microbiology
pub_type: 杂志文章
doi:10.1046/j.1365-2672.2003.01968.x
更新日期:2003-01-01 00:00:00
abstract:AIMS:To screen and select the Bacillus spp. from Tua-nao of northern Thailand for fermented corticate soybean meal (FCSBM) production. METHODS AND RESULTS:After isolation of Bacillus spp. from Tua-nao was carried out, cellulase, hemicellulases (i.e., β-mannanase and xylanase) and phytase production by isolated Bacillu...
journal_title:Journal of applied microbiology
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更新日期:2012-10-01 00:00:00
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pub_type: 杂志文章
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更新日期:2009-01-01 00:00:00