Results 71 to 80 of about 1,276,365 (260)

Characterisation of the effects of salicylidene acylhydrazide compounds on type three secretion in Escherichia coli O157:H7 [PDF]

open access: yes, 2009
Recent work has highlighted a number of compounds that target bacterial virulence by affecting gene regulation. In this work, we show that small-molecule inhibitors affect the expression of the type III secretion system (T3SS) of <i>Escherichia ...
Elofsson, M.   +9 more
core   +3 more sources

Expression and Purification of Mini G Proteins from Escherichia coli

open access: yesBio-Protocol, 2017
Heterotrimeric G proteins modulate intracellular signalling by transducing information from cell surface G protein-coupled receptors (GPCRs) to cytoplasmic effector proteins.
Byron Carpenter, Christopher Tate
doaj   +1 more source

The quantitative and condition-dependent Escherichia coli proteome

open access: yesNature Biotechnology, 2015
Measuring precise concentrations of proteins can provide insights into biological processes. Here we use efficient protein extraction and sample fractionation, as well as state-of-the-art quantitative mass spectrometry techniques to generate a ...
A. Schmidt   +9 more
semanticscholar   +1 more source

Identification of the YfgF MASE1 domain as a modulator of bacterial responses to aspartate [PDF]

open access: yes, 2013
Complex 3'-5'-cyclic diguanylic acid (c-di-GMP) responsive regulatory networks that are modulated by the action of multiple diguanylate cyclases (DGC; GGDEF domain proteins) and phosphodiesterases (PDE; EAL domain proteins) have evolved in many bacteria.
Agasing, A.   +3 more
core   +1 more source

PhoU homologs from Staphylococcus aureus dimerization and protein interactions

open access: yesMicrobiology Spectrum
PhoU proteins are negative regulators of the phosphate response, regulate virulence, and contribute to antibiotic resistance. Staphylococcus aureus has multiple genes encoding PhoU homologs that regulate persister formation and potentially virulence, but
Clayton T. Matthews   +2 more
doaj   +1 more source

Rational design of a plasmid origin that replicates efficiently in both gram-positive and gram-negative bacteria. [PDF]

open access: yesPLoS ONE, 2010
Most plasmids replicate only within a particular genus or family.Here we describe an engineered high copy number expression vector, pBAV1K-T5, that produces varying quantities of active reporter proteins in Escherichia coli, Acinetobacter baylyi ADP1 ...
Anton V Bryksin, Ichiro Matsumura
doaj   +1 more source

In vitro starch binding experiments: Study of the proteins related to grain hardness of wheat [PDF]

open access: yes, 2007
Two friabilin components, puroindoline a and GSP-1 were expressed in Escherichia coli. Starch binding properties of the recombinant polypeptides and of friabilin extracted from wheat flour were compared in vitro. The produced proteins as well as native
Bakó, Ambrus   +2 more
core  

High-throughput recombinant protein expression in Escherichia coli: current status and future perspectives

open access: yesOpen Biology, 2016
The ease of genetic manipulation, low cost, rapid growth and number of previous studies have made Escherichia coli one of the most widely used microorganism species for producing recombinant proteins.
Baolei Jia, C. Jeon
semanticscholar   +1 more source

Mutations that Separate the Functions of the Proofreading Subunit of the Escherichia coli Replicase

open access: yes, 2015
The dnaQ gene of Escherichia coli encodes the Ɛ subunit of DNA polymerase III, which provides the 3\u27 - 5\u27 exonuclease proofreading activity of the replicative polymerase.
Kreuzer, Kenneth N., Whatley, Zakiya
core   +1 more source

Recombinant human preproinsulin expression, purification and reaction with insulin autoantibodies in sera from patients with insulin-dependent diabetes mellitus [PDF]

open access: yes, 1993
A novel prokaryotic expression vector pGEX-6T was designed for high-level expression of recombinant fusion protein with a histidine-hexapeptide and glutathione-S-transferase at its N-terminus and the recombinant human preproinsulin at its C-terminus ...
Amman   +29 more
core   +1 more source

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