Results 11 to 20 of about 131,570 (298)

Metabolic deficiences revealed in the biotechnologically important model bacterium Escherichia coli BL21(DE3). [PDF]

open access: yesPLoS ONE, 2011
The Escherichia coli B strain BL21(DE3) has had a profound impact on biotechnology through its use in the production of recombinant proteins. Little is understood, however, regarding the physiology of this important E. coli strain. We show here that BL21(
Constanze Pinske   +4 more
doaj   +3 more sources

Comparative evaluation of E. coli expression systems for soluble hScFv-IL-17A with an unpaired CDR-L3 cysteine [PDF]

open access: yesJournal of Genetic Engineering and Biotechnology
This study systematically evaluated Escherichia coli (E. coli) expression systems for the production of a humanized single-chain variable fragment targeting interleukin-17A (hScFv-IL-17A).
Weeraya Thongkum   +6 more
doaj   +2 more sources

Efficient Expression and Enzymatic Properties of L-Threonine Dehydrogenase from Escherichia coli [PDF]

open access: yesShipin Kexue, 2023
Our aim was to improve the catalytic efficiency of L-threonine dehydrogenase (L-TDH) on L-threonine dehydrogenation to synthesize ethyl L-2-aminoacetate. An L-TDH gene from Escherichia coli was mined and solubly expressed in E.
LIU Xinxin, WANG Yao, SHI Hongling, YAO Lunguang, WANG Xian, TANG Cunduo
doaj   +1 more source

A comparative study on the genomes, transcriptomes, and metabolic properties of Escherichia coli strains Nissle 1917, BL21(DE3), and MG1655

open access: yesEngineering Microbiology, 2022
Escherichia coli is the most well-studied model prokaryote and has become an indispensable host for the biotechnological production of proteins and biochemicals. In particular, the probiotic status of one E. coli strain, E.
Linlin Zhao   +5 more
doaj   +1 more source

A Dual-Bacterial Coupled Fermentation Strategy for Nicotinamide Mononucleotide Synthesis [PDF]

open access: yesShipin Kexue, 2023
In this study, a dual-bacterial coupled fermentation system containing nicotinamide nucleoside kinase (NRK) and polyphosphatase (PPK) was constructed, and the application of PPK-based ATP regeneration system in NMN production was achieved.
SUN Ting, ZHANG Hongtao, YANG Feng, CHAI Wengang, XUE Haoyang, TAN Shuyin
doaj   +1 more source

Expresión y purificación de las proteínas estructurales del rotavirus VP5* y VP8* en bacterias E. coli BL21(DE3)

open access: yesRevista Colombiana de Biotecnología, 2013
Título en ingles: Expression and purification of rotavirus structural proteins VP5* and VP8* in bacteria E. coli BL21(DE3) Resumen La caracterización de las proteínas estructurales del rotavirus y de las proteínas de la superficie de la célula hospedera ...
Luz Yurany Moreno   +2 more
doaj   +4 more sources

Generic Model Control Applied to E. coli BL21(DE3) Fed-Batch Cultures [PDF]

open access: yesProcesses, 2020
This work proposes a Generic Model Control (GMC) strategy to regulate biomass growth in fed-batch cultures of Escherichia coli BL21(DE3). The control law is established using a previously validated mechanistic model based on the overflow metabolism paradigm.
Merouane Abadli   +4 more
openaire   +1 more source

Interleukin gene cloning and expression in E. coli

open access: yesAnnals of Medicine, 2021
Introduction Cytokines are a large category of protins; they play various functions from inflammation response to cancer development and sepsis. Over-expression or problems in production control of this small peptides can lead to the development of ...
Filipa Oliveira, Fernando Cardoso
doaj   +1 more source

Complete Genome Sequence of Escherichia coli BLR(DE3), a recA -Deficient Derivative of E. coli BL21(DE3) [PDF]

open access: yesGenome Announcements, 2017
ABSTRACT Escherichia coli BLR(DE3) is a commercially available recA -deficient derivative of BL21(DE3), one of the most widely used strains for recombinant protein expression. Here, we present the full-genome sequence of BLR(DE3) and highlight additional differences with its parent strain BL21 ...
Goffin, Philippe, Dehottay, Philippe
openaire   +2 more sources

Site‐directed mutagenesis improves the practical application of L‐glutamic acid decarboxylase in Escherichia coli

open access: yesEngineering in Life Sciences, 2023
γ‐Aminobutyric acid (GABA) is a kind of non‐proteinogenic amino acid which is highly soluble in water and widely used in the food and pharmaceutical industries.
Liu Fengmin   +5 more
doaj   +1 more source

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