Results 31 to 40 of about 92,801 (255)
Screening of Polyvalent Phage-Resistant Escherichia coli Strains Based on Phage Receptor Analysis
Bacteria-based biotechnology processes are constantly under threat from bacteriophage infection, with phage contamination being a non-neglectable problem for microbial fermentation.
Ping Li +7 more
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Background: Immediate and accurate diagnosis of malaria is essential for effective control of this disease. Immunochromatographic based rapid diagnostic tests (RDTs) are economical, simple to perform, and provide results in a relative short time, can be
Fifi Fitriyah Masduki +6 more
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Background Escherichia coli is one of the most important hosts for production of recombinant proteins in biopharmaceutical industry. However, when selecting a suitable production strain, it is often not considered that a lot of different sub-species ...
Florian Mayer +7 more
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Extracellular overexpression of recombinant Thermobifida fusca cutinase by alpha-hemolysin secretion system in E. coli BL21(DE3) [PDF]
Abstract Background Extracellular expression of proteins has an absolute advantage in a large-scale industrial production. In our previous study, Thermobifida fusca cutinase, an enzyme mainly utilized in textile industry, was expressed via type II secretory system in Escherichia coli BL21(DE3), and it was found that ...
Su, Lingqia +5 more
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Production of Indigo by Immobilization of E. coli BL21 (DE3) Cells in Calcium-Alginate Gel Capsules [PDF]
Abstract The ability of catalyzing indole into indigo of gene engineering strain expressing P450 BM3 immobilized by entrapment in calcium-alginate gel capsules was examined, and various characteristics of immobilized cells were assessed. Optimum conditions for cells activity were not affected after immobilization, and pH and temperature for both free
Yan LU, Lehe MEI
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The CRISPR-Cas9 system is a revolutionary tool in genetic engineering, offering unprecedented precision and efficiency in genome editing. Cas9, an enzyme derived from bacteria, is guided by RNA to edit DNA sequences within cells precisely. However, while
Shilpi Agrawal +6 more
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Heyde and Nørholm investigate the role of RNAse E in the toxicity mediated by overexpression of heterologous proteins in derivatives of the BL21(DE3) strain of E. coli.
Sophia A. H. Heyde +1 more
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Calpain small subunit homodimerization is robust and calcium‐independent
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy +4 more
wiley +1 more source
Rare arginine codons AGA and AGG affect the heterologous expression of proteins in Eschericha coli. The tRNAs necessary for protein synthesis are scarce in E. coli strain BL21(DE3) pLysS and plentiful in strain BL21(DE3) CodonPlus −RIL.
Beatriz Aguirre-López +4 more
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Background Recently it was shown that production of recombinant proteins in E. coli BL21(DE3) using pET based expression vectors leads to metabolic stress comparable to a carbon overfeeding response. Opposite to original expectations generation of energy
Jan Weber, Zhaopeng Li, Ursula Rinas
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