Helmann JD - Search Results

1

Modulation of extracytoplasmic function (ECF) sigma factor promoter selectivity by spacer region sequence.

Gaballa A, Guariglia-Oropeza V, Dürr F, Butcher BG, Chen AY, Chandrangsu P, Helmann JD. Gaballa A, et al. Among authors: helmann jd. Nucleic Acids Res. 2018 Jan 9;46(1):134-145. doi: 10.1093/nar/gkx953. Nucleic Acids Res. 2018. PMID: 29069433 Free PMC article.

2

Restoration of motility to an Escherichia coli fliA flagellar mutant by a Bacillus subtilis sigma factor.

Chen YF, Helmann JD. Chen YF, et al. Among authors: helmann jd. Proc Natl Acad Sci U S A. 1992 Jun 1;89(11):5123-7. doi: 10.1073/pnas.89.11.5123. Proc Natl Acad Sci U S A. 1992. PMID: 1594620 Free PMC article.

3

Alternative sigma factors and the regulation of flagellar gene expression.

Helmann JD. Helmann JD. Mol Microbiol. 1991 Dec;5(12):2875-82. doi: 10.1111/j.1365-2958.1991.tb01847.x. Mol Microbiol. 1991. PMID: 1809831

4

Pathway of promoter melting by Bacillus subtilis RNA polymerase at a stable RNA promoter: effects of temperature, delta protein, and sigma factor mutations.

Juang YL, Helmann JD. Juang YL, et al. Among authors: helmann jd. Biochemistry. 1995 Jul 4;34(26):8465-73. doi: 10.1021/bi00026a030. Biochemistry. 1995. PMID: 7599136

5

The Bacillus subtilis flagellar regulatory protein sigma D: overproduction, domain analysis and DNA-binding properties.

Chen YF, Helmann JD. Chen YF, et al. Among authors: helmann jd. J Mol Biol. 1995 Jun 16;249(4):743-53. doi: 10.1006/jmbi.1995.0333. J Mol Biol. 1995. PMID: 7602586 Free article.

6

Compilation and analysis of Bacillus subtilis sigma A-dependent promoter sequences: evidence for extended contact between RNA polymerase and upstream promoter DNA.

Helmann JD. Helmann JD. Nucleic Acids Res. 1995 Jul 11;23(13):2351-60. doi: 10.1093/nar/23.13.2351. Nucleic Acids Res. 1995. PMID: 7630711 Free PMC article.

7

Promoter architecture in the flagellar regulon of Bacillus subtilis: high-level expression of flagellin by the sigma D RNA polymerase requires an upstream promoter element.

Fredrick K, Caramori T, Chen YF, Galizzi A, Helmann JD. Fredrick K, et al. Among authors: helmann jd. Proc Natl Acad Sci U S A. 1995 Mar 28;92(7):2582-6. doi: 10.1073/pnas.92.7.2582. Proc Natl Acad Sci U S A. 1995. PMID: 7708689 Free PMC article.

8

Genetic and physiological studies of Bacillus subtilis sigma A mutants defective in promoter melting.

Rong JC, Helmann JD. Rong JC, et al. Among authors: helmann jd. J Bacteriol. 1994 Sep;176(17):5218-24. doi: 10.1128/jb.176.17.5218-5224.1994. J Bacteriol. 1994. PMID: 8071196 Free PMC article.

9

A promoter melting region in the primary sigma factor of Bacillus subtilis. Identification of functionally important aromatic amino acids.

Juang YL, Helmann JD. Juang YL, et al. Among authors: helmann jd. J Mol Biol. 1994 Feb 4;235(5):1470-88. doi: 10.1006/jmbi.1994.1102. J Mol Biol. 1994. PMID: 8107087 Free article.

10

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

Huang X, Decatur A, Sorokin A, Helmann JD. Huang X, et al. Among authors: helmann jd. J Bacteriol. 1997 May;179(9):2915-21. doi: 10.1128/jb.179.9.2915-2921.1997. J Bacteriol. 1997. PMID: 9139908 Free PMC article.

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