Regulation of the Fecl-type ECF sigma factor by transmembrane signalling

Current Opinion in Microbiology

Volumn 6, Issue 2, 2003, Pages 173-180

  Braun, Volkmar ^a   Mahren, Susanne ^a   Ogierman, Monica ^a  

^a UNIVERSITY HOSPITAL TÜBINGEN   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

FERRIC CITRATE; IRON; MEMBRANE PROTEIN; REGULATOR PROTEIN; RNA POLYMERASE; SIGMA FACTOR; ESCHERICHIA COLI PROTEIN; FECI PROTEIN, E COLI; FERRIC ION;

BACTERIUM; GENE; GENE INDUCTION; GENETIC TRANSCRIPTION; NONHUMAN; REGULATORY MECHANISM; REVIEW; TRANSCRIPTION REGULATION; AMINO ACID SEQUENCE; BIOLOGICAL MODEL; CELL MEMBRANE; CLASSIFICATION; CYTOLOGY; GENE EXPRESSION REGULATION; GENETICS; GRAM NEGATIVE BACTERIUM; METABOLISM; PHYLOGENY; PHYSIOLOGY; SEQUENCE ALIGNMENT; SIGNAL TRANSDUCTION;

BACTERIA (MICROORGANISMS); ESCHERICHIA; ESCHERICHIA COLI K12; NEGIBACTERIA;

AMINO ACID SEQUENCE; CELL MEMBRANE; ESCHERICHIA COLI PROTEINS; FERRIC COMPOUNDS; GENE EXPRESSION REGULATION, BACTERIAL; GRAM-NEGATIVE BACTERIA; MODELS, GENETIC; PHYLOGENY; SEQUENCE ALIGNMENT; SIGMA FACTOR; SIGNAL TRANSDUCTION; TRANSCRIPTION, GENETIC;

EID: 0038352101     PISSN: 13695274     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1369-5274(03)00022-5     Document Type: Review

References (23)

1. Lonetto MA, Brown KL, Rudd KE, Buttner MJ: Analysis of the Streptomyces coelicolor sigE gene reveals the existence of a subfamily of eubacterial RNA polymerase σ factors involved in the regulation of extracytoplasmic functions. Proc Natl Acad Sci USA 1994, 91:7573-7577.
2. Braun V: Surface signaling: novel transcription initiation mechanism starting from the cell surface. Arch Microbiol 1997, 167:325-331.
3. Luck SN, Turner SA, Rajakumar K, Sakellaris H, Adler B: Ferric dicitrate transport system (FEC) of Shigella flexneri 2a YSH6000 is encoded on a novel pathogenicity island carrying multiple antibiotic resistance genes. Infect Immun 2001, 69:6012-6021.
4. FecI of Escherichia coli: promoter selectivity and intracellular levels. J Bacteriol 2000, 182:1181-1184.
5. Ferguson AD, Chakraborty R, Smith BS, Esser L, van der Helm D, Deisenhofer J: Structural basis of gating by the outer membrane transporter FecA. Science 2002, 295:1715-1719. This paper describes the crystal structure of FecA in the unloaded and ferric-citrate-loaded conformation. It also reveals substrate gating, and forms the basis for the interpretation of the properties of FecA mutant proteins.
6. Kim I, Stiefel A, Plantör S, Angerer A, Braun V: Transcription induction of the ferric citrate transport genes via the N-terminus of the FecA outer membrane protein, the Ton system and the electrochemical potential of the cytoplasmic membrane. Mol Microbiol 1997, 23:333-344.
7. Welz D, Braun V: Ferric citrate transport of Escherichia coli: functional regions of the FecR transmembrane regulatory protein. J Bacteriol 1998, 180:2387-2394.
8. Enz S, Mahren S, Stroeher UH, Braun V: Surface signaling in ferric citrate transport gene induction: interaction of the FecA, FecR and FecI regulatory proteins. J Bacteriol 2000, 182:637-646.
9. Mahren S, Enz S, Braun V: Functional interaction of region 4 of the extracytoplasmic function sigma factor FecI with the cytoplasmic portion of the FecR transmembrane protein of the Escherichia coli ferric citrate transport system. J Bacteriol 2002, 184:3704-3711.
10. Koster M, van Klompenburg W, Bitter W, Leong J, Weisbeek P: Role for the outer membrane ferric siderophore receptor PupB in signal transduction across the bacterial cell envelope. EMBO J 1994, 13:2805-2813.
11. Lamont IL, Beare PA, Ochsner U, Vasl AI, Vasil ML: Siderophore-mediated signaling regulates virulence factor production in Pseudomonas aeruginosa. Proc Natl Acad Sci USA 2002, 99:7072-7077.
12. Leoni L, Orsi N, De Lorenzo V, Visca P: Functional analysis of PvdS, an iron starvation sigma factor of Pseudomonas aeruginosa. J Bacteriol 2000, 182:1481-1491.
13. Shen J, Meldrum A, Poole K: FpvA receptor involvement in pyoverdine biosynthesis in Pseudomonas aeruginosa. J Bacteriol 2002, 184:3268-3275. This paper provides biochemical evidence that FpvA acts as a transcription regulatory protein and as an outer-membrane transporter.
14. Visca P, Leoni L, Wilson MJ, Lamont IL: Iron transport and regulation, cell signalling and genomics: lessons from Escherichia coli and Pseudomonas. Mol Microbiol 2002, 45:1177-1190. This paper provides a comprehensive overview of regulatory devices of the FecIR type in P. aeruginosa.
15. Vanderpool CK, Armstrong SK: The Bordetella bhu locus is required for heme iron utilization. J Bacteriol 2001, 183:4278-4287.
16. Pradel E, Locht C: Expression of the siderophore receptor gene bfrZ is controlled by the extracytoplasmic-function sigma factor BupI in Bordetella bronchiseptica. J Bacteriol 2001, 183:2910-2917.
17. Kirby AE, Metzger DJ, Murphy ER, Connell TD: Heme utilization in Bordetella avium is regulated by Rhul, a heme-responsive extracytoplasmic function sigma factor. Infect Immun 2001, 69:6951-6961.
18. Marenda M, Brito B, Callard D, Genin S, Barberis P, Boucher C, Ariat M: PrhA controls a novel regulatory pathway required for the specific induction of Ralstonia solanacearum hrp genes in the presence of plant cells. Mol Microbiol 1998, 27:437-453.
19. Aldon D, Brito B, Boucher C, Genin S: A bacterial sensor of plant cell contact controls the transcriptional induction of Ralstonia solanacearum pathogenicity genes. EMBO J 2000, 19:2304-2314.
20. Brito B, Aldon D, Barberis P, Boucher C, Genin S: A signal transfer system through three compartments transduces the plant cell contact-dependent signal controlling Ralstonia solanacearum hrp genes. Mol Plant Microbiol 2002, 15:109-119. This paper shows that ECF sigma-factor-controlled transcription initiation occurs at the start of a signal cascade that regulates the hypersensitivity response.
21. Moeck GS, Letellier L: Characterization of in vitro interactions between a truncated TonB protein from Escherichia coli and the outer membrane receptors FhuA and FepA. J Bacteriol 2001, 183:2755-2764.
22. Higgs PI, Larsen RA, Postle K: Quantification of known components of the Escherichia coli TonB energy transduction system: TonB, ExbB, ExbD and FepA. Mol Micobiol 2002, 44:271-281.
23. Stiefel A, Mahren S, Ochs M, Schindler PT, Enz S, Braun V: Control of the ferric citrate transport system of Escherichia coli: mutations in region 2.1 of the FecI extracytoplasmic-function sigma factor suppress mutations in the FecR transmembrane regulatory protein. J Bacteriol 2001, 183:162-170.