The Tol-Pal proteins of the Escherichia coli cell envelope: An energized system required for outer membrane integrity?

Research in Microbiology

Volumn 152, Issue 6, 2001, Pages 523-529

  Lloubès, Roland ^a   Cascales, Eric ^a   Walburger, Anne ^a   Bouveret, Emmanuelle ^a   Lazdunski, Claude ^a   Bernadac, Alain ^a   Journet, Laure ^a  

^a CNRS   (France)

Author keywords

Outer membrane integrity; Proton motive force; Tol Pal and TonB systems

Indexed keywords

BACTERIAL PROTEIN; BACTERIOCIN; BACTERIOPHAGE DNA; CYANOCOBALAMIN; MEMBRANE PROTEIN; PORIN; SIDEROPHORE; TOL PAL PROTEIN; UNCLASSIFIED DRUG;

ACTIVE TRANSPORT; BACTERIAL MEMBRANE; ESCHERICHIA COLI; MACROMOLECULE; MOLECULE; NONHUMAN; OUTER MEMBRANE; PRIORITY JOURNAL; PROTEIN INTERACTION; SHORT SURVEY;

ESCHERICHIA COLI; NEGIBACTERIA;

EID: 0034944420     PISSN: 09232508     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0923-2508(01)01226-8     Document Type: Review

References (48)

1. Structure of the Escherichia coli TolB protein determined by MAD methods at 1.95 A resolution
2. Crystallization and preliminary crystallographic study of the periplasmic domain of the E. coli TolR protein
3. Crystallization and preliminary crystallographic study of the peptidoglycan-associated lipoprotein from E. coli
4. Chunnel vision: Export and efflux through bacterial channel-tunnels
5. Escherichia coli tol-pal mutants form outer membrane vesicles
6. Peptidoglycan-associated lipoprotein-TolB interaction
7. Distinct regions of the colicin A translocation domain are involved in the interaction with TolA and TolB proteins upon import into Escherichia coli
8. At least four percent of the Salmonella typhimurium genome is required for fatal infection of mice
9. Energy-coupled transport and signal transduction through the gram-negative outer membrane via TonB-ExbB-ExbD-dependent receptor proteins
10. Evolutionary relationship of uptake systems for biopolymers in Escherichia coli: Cross-complementation between the TonB-ExbB-ExbD and the TolA-TolQ-TolR proteins
11. Site-directed disulfide bonding reveals an interaction site between energy-coupling protein TonB and BtuB, the outer membrane cobalamin transporter
12. The structure of TolB, an essential component of the Tol-dependent translocation system, and its protein-protein interaction with the translocation domain of colicin E9
13. Proton motive force drives the interaction of the inner membrane TolA and outer membrane Pal proteins in E. coli
14. Expression of the tolQRA genes of Escherichia coli K-12 is controlled by the RcsC sensor protein involved in capsule synthesis
15. TolB protein of Escherichia coli K-12 interacts with the outer membrane peptidoglycan-associated proteins Pal, Lpp and OmpA
16. Identification and characterization of the tolQRA genes of Pseudomonas aeruginosa
17. 13C resonances of the C-terminal domain of the TolA protein of Escherichia coli, involved in cell envelope integrity
18. Protein complex within Escherichia coli inner membrane. TolA N-terminal domain interacts with TolQ and TolR proteins
19. TolA central domain interacts with Escherichia coli porins
20. Surface expression of O-specific lipopolysaccharide in Escherichia coli requires the function of the TolA protein
21. Mutational analyses of the E. coli K-12 TolA N-terminal region and characterization of its TolQ-interacting domain by genetic suppression
22. Colicin A and the Tol proteins involved in its translocation are preferentially located in the contact sites between the inner and outer membrane of E. coli cells
23. CTXphi infection of Vibrio cholerae requires the tolQRA gene products
24. Isolation of differentiated membrane domains from Escherichia coli and Salmonella typhimurium, including a fraction containing attachment sites between the inner and outer membranes and the murein skeleton of the cell envelope
25. Role of TolR N-terminal, central, and C-terminal domains in dimerization and interaction with TolA and TolQ
26. A sequence-specific function for the N-terminal signal-like sequence of the TonB protein
27. Effects of iron and temperature on expression of the Pseudomonas aeruginosa tolQRA genes: Role of the ferric uptake regulator
28. Regions of Escherichia coli TonB and FepA proteins essential for in vivo physical interactions
29. Protonmotive force, ExbB and ligand-bound FepA drive conformational changes in TonB
30. The conserved residues S16 and H20, and their relative positioning, are essential for TonB activity, cross-linking of TonB with ExbB, and the ability of TonB to respond to pmf
31. Colicin import in Escherichia coli cells
32. Transmembrane-helix interactions are required for the functionnal assembly of the Escherichia coli Tol complex
33. The Tol proteins of Escherichia coli and their involvement in the uptake of biomolecules and outer membrane stability
34. TolA: A membrane protein involved in colicin uptake contains an extended helical region
35. Role of the carboxyl-terminal domain of TolA in protein import and integrity of the outer membrane
36. Gram-negative bacteria produce membrane vesicles which are capable of killing other bacteria
37. Mutations in each of the tol genes of Pseudomonas putida reveal that they are critical for maintenance of outer membrane stability
38. Filamentous phage infection: Crystal structure of g3p in complex with its coreceptor, the C-terminal domain of TolA
39. Impairment of cell division in tolA mutants of Escherichia coli at low and high medium osmolarities
40. TonB-dependent iron acquisition: Mechanisms of siderophore-mediated active transport
41. Membrane topology of the Escherichia coli TolR protein required for cell envelope integrity
42. The TolB protein interacts with the porins of Escherichia coli
43. Organization and evolution of the tol-pal gene cluster
44. Nucleotide sequence of a gene cluster involved in entry of E colicins and single-stranded DNA of infecting filamentous bacteriophages into Escherichia coli
45. Murein-lipoprotein of E. coli: A protein involved of bacterial envelope
46. Characterization of the tol-pal region of Escherichia coli K-12: Translational control of tolR expression by TolQ and identification of a new open reading frame downstream of pal encoding a periplasmic protein
47. The tol gene products and the import of macromolecules into Escherichia coli
48. On the origin of membrane vesicles in gram-negative bacteria