Results 11 to 20 of about 1,167,503 (297)
Predictive design of sigma factor-specific promoters. [PDF]
Nat Commun, 2020 To engineer synthetic gene circuits, molecular building blocks are developed which can modulate gene expression without interference, mutually or with the host's cell machinery.
Van Brempt M +6 more
europepmc +2 more sources
CONFORMATIONAL FEATURES OF SIGMA FACTOR/ANTI-SIGMA COMPLEXES
, 2013 The association of a factors with the RNA polymerase dictates the expression profile of a bacterial cell. Major changes to the transcription profile are achieved by the use of multiple sigma factors that confer distinct promoter selectivity to the ...
Joshi, Anuja +9 more
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A unique sigma/anti-sigma system in the actinomycete Actinoplanes missouriensis
Nature Communications, 2023 Bacteria of the genus Actinoplanes form sporangia that contain dormant sporangiospores which, upon contact with water, release motile spores (zoospores) through a process called sporangium dehiscence.
Takeaki Tezuka +3 more
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SigmaE is an essential sigma factor in Escherichia coli [PDF]
Journal of Bacteriology, 1997 SigmaE is an alternative sigma factor that controls the extracytoplasmic stress response in Escherichia coli. SigmaE is essential at high temperatures but was previously thought to be nonessential at temperatures below 37 degrees C. We present evidence that sigmaE is an essential sigma factor at all temperatures.
A, De Las Peñas +2 more
openaire +2 more sources
Elucidation of sigma factor-associated networks in Pseudomonas aeruginosa reveals a modular architecture with limited and function-specific crosstalk. [PDF]
PLoS Pathogens, 2015 Sigma factors are essential global regulators of transcription initiation in bacteria which confer promoter recognition specificity to the RNA polymerase core enzyme.
Sebastian Schulz +9 more
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Characterization of five ECF sigma factors in the genome of Pseudomonas syringae pv. syringae B728a. [PDF]
PLoS ONE, 2013 Pseudomonas syringae pv. syringae B728a, a bacterial pathogen of bean, utilizes large surface populations and extracellular signaling to initiate a fundamental change from an epiphytic to a pathogenic lifestyle.
Poulami Basu Thakur +3 more
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The structural basis for promoter -35 element recognition by the group IV sigma factors. [PDF]
PLoS Biology, 2006 The control of bacterial transcription initiation depends on a primary sigma factor for housekeeping functions, as well as alternative sigma factors that control regulons in response to environmental stresses.
William J Lane, Seth A Darst
doaj +1 more source
Sigma Factors for Cyanobacterial Transcription [PDF]
Gene Regulation and Systems Biology, 2009 Cyanobacteria are photosynthesizing microorganisms that can be used as a model for analyzing gene expression. The expression of genes involves transcription and translation. Transcription is performed by the RNA polymerase (RNAP) holoenzyme, comprising a core enzyme and a sigma (σ) factor which confers promoter selectivity.
Sousuke, Imamura, Munehiko, Asayama
openaire +2 more sources
Microbiology Spectrum, 2023 Outer membrane protein A (OmpA) is the most abundant porin in bacterial outer membranes. KJΔOmpA299–356, an ompA C-terminal in-frame deletion mutant of Stenotrophomonas maltophilia KJ, exhibits pleiotropic defects, including decreased tolerance to ...
Ren-Hsuan Ku +6 more
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SigE: A master regulator of Mycobacterium tuberculosis
Frontiers in Microbiology, 2023 The Extracellular function (ECF) sigma factor SigE is one of the best characterized out of the 13 sigma factors encoded in the Mycobacterium tuberculosis chromosome.
Riccardo Manganelli +7 more
doaj +1 more source