The extracytoplasmic function sigma factors: role and regulation

Analysis of the Streptomyces coelicolor sigE gene reveals the existence of a subfamily of eubacterial RNA polymerase sigma factors involved in the regulation of extracytoplasmic functions.

1994 • 486 citations

Identification of the sigma E subunit of Escherichia coli RNA polymerase: a second alternate sigma factor involved in high-temperature gene expression.

1989 • 422 citations

The activity of sigma E, an Escherichia coli heat-inducible sigma-factor, is modulated by expression of outer membrane proteins.

1993 • 400 citations

Mechanism of conversion to mucoidy in Pseudomonas aeruginosa infecting cystic fibrosis patients.

1993 • 378 citations

Heterogeneity of the principal sigma factor in Escherichia coli: the rpoS gene product, sigma 38, is a second principal sigma factor of RNA polymerase in stationary-phase Escherichia coli.

1993 • 345 citations

Modulation of the Escherichia coliσ^E (RpoE) heat‐shock transcription‐factor activity by the RseA, RseB and RseC proteins

1997 • 339 citations

New components of protein folding in extracytoplasmic compartments of Escherichia coli SurA, FkpA and Skp/OmpH

1996 • 332 citations

The σ^E‐mediated response to extracytoplasmic stress in Escherichia coli is transduced by RseA and RseB, two negative regulators of σ^E

1997 • 326 citations

rpoE, the gene encoding the second heat-shock sigma factor, sigma E, in Escherichia coli.

1995 • 312 citations

The rpoE gene encoding the sigma E (sigma 24) heat shock sigma factor of Escherichia coli.

1995 • 295 citations

The sigma(E) and the Cpx signal transduction systems control the synthesis of periplasmic protein-folding enzymes in Escherichia coli.

1997 • 273 citations

Protein folding in the bacterial periplasm

1997 • 252 citations

SigmaE is an essential sigma factor in Escherichia coli

1997 • 231 citations

Control of AlgU, a member of the sigma E-like family of stress sigma factors, by the negative regulators MucA and MucB and Pseudomonas aeruginosa conversion to mucoidy in cystic fibrosis

1996 • 227 citations

The algT (algU) gene of Pseudomonas aeruginosa, a key regulator involved in alginate biosynthesis, encodes an alternative sigma factor (sigma E).

1995 • 166 citations

A novel sigma factor is involved in expression of the rpoH gene of Escherichia coli

1989 • 159 citations

Functional equivalence of Escherichia coli sigma E and Pseudomonas aeruginosa AlgU: E. coli rpoE restores mucoidy and reduces sensitivity to reactive oxygen intermediates in algU mutants of P. aeruginosa

1995 • 152 citations

Genetic studies of a secondary RNA polymerase sigma factor in Bacillus subtilis

1987 • 124 citations

Sigma factor-anti-sigma factor interaction in alginate synthesis: inhibition of AlgT by MucA

1996 • 114 citations

A mycobacterial extracytoplasmic function sigma factor involved in survival following stress

1997 • 108 citations

Characterization of the genes coding for the putative sigma factor AlgU and its regulators MucA, MucB, MucC, and MucD in Azotobacter vinelandii and evaluation of their roles in alginate biosynthesis

1996 • 94 citations

Light-induced carotenogenesis in Myxococcus xanthus: light-dependent membrane sequestration of ECF sigma factor CarQ by anti-sigma factor CarR

1996 • 92 citations

The Bacillus subtilis sigma(X) protein is an extracytoplasmic function sigma factor contributing to survival at high temperature

1997 • 89 citations

An rpoE‐like locus controls outer membrane protein synthesis and growth at cold temperatures and high pressures in the deep‐sea bacterium Photobacterium sp. strain SS9

1995 • 76 citations

Transcription of the region encoding the ferric dicitrate-transport system in Escherichia coli: similarity between promoters for fecA and for extracytoplasmic function sigma factors

1995 • 64 citations

Sigma‐E is required for the production of the antibiotic actinomycin in Streptomyces antibioticus

1997 • 40 citations

Light‐induced carotenogenesis in Myxococcus xanthus: light‐dependent membrane sequestration of ECF sigma factor CarQ by anti‐sigma factor CarR

1996 • 16 citations

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