Acid survival of Helicobacter pylori: How does urease activity trigger cytoplasmic pH homeostasis?

Trends in Microbiology

Volumn 10, Issue 2, 2002, Pages 70-74

  Stingl, Kerstin ^a   Altendorf, Karlheinz ^a   Bakker, Evert P ^a  

^a UNIVERSITY OF OSNABRÜCK   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

AMIDE; AMMONIA; PROTON; UREA; UREASE;

ACIDIFICATION; BACTERIAL SURVIVAL; CYTOPLASM; ENZYME ACTIVITY; ENZYME BINDING; EOSINOPHIL; GRAM NEGATIVE BACTERIUM; HELICOBACTER PYLORI; HOMEOSTASIS; HUMAN; HYPERPOLARIZATION; MEMBRANE POTENTIAL; NEUTROPHIL; NONHUMAN; PH; PRIORITY JOURNAL; PROTEIN SYNTHESIS; PROTON TRANSPORT; REGULATORY MECHANISM; REVIEW; VIRULENCE;

CYTOPLASM; HELICOBACTER PYLORI; HOMEOSTASIS; HYDROGEN-ION CONCENTRATION; MODELS, CHEMICAL; UREA; UREASE;

BACTERIA (MICROORGANISMS); HELICOBACTER; HELICOBACTER PYLORI; NEGIBACTERIA;

EID: 0036468233     PISSN: 0966842X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0966-842X(01)02287-9     Document Type: Review

References (32)

1. Synthesis and activity of Helicobacter pylori urease and catalase at low pH
2. Helicobacter pylori and gastric acid: Biological and therapeutic implications
3. The effect of environmental pH on the proton motive force of Helicobacter pylori
4. Influence of pH on metabolism and urease activity of Helicobacter pylori
5. Helicobacter pylori containing only cytoplasmic urease is susceptible to acid
6. Rapid urea hydrolysis by gastric campylobacters
7. Urease and catalase as virulence factors of Helicobacter pylori
8. The role of internal urease in acid resistance of Helicobacter pylori
9. Prolonged survival and cytoplasmic pH homeostasis of Helicobacter pylori at pH 1
10. The role of alkali-cation transport in energy coupling of neutrophilic and acidophilic bacteria
11. Regulation of cytoplasmic pH in bacteria
12. Chemiosmotic coupling in oxidative and photosynthetic phosphorylation
13. Acidophiles
14. pH homeostasis in bacteria
15. Bioenergetics and cytoplasmic membrane stability of the extremely acidophilic, thermophilic archaeon Picrophilus oshimae
16. Campylobacter pyloridis, gastritis, and peptic ulceration
17. Capacity of Helicobacter pylori to generate ionic gradients at low pH is similar to that of bacteria which grow under strongly acidic conditions
18. Generation of a large, protonophore-sensitive proton motive force and pH difference in the acidophilic bacteria Thermoplasma acidophilum and Bacillus acidocaldarius
19. The measurement of membrane potential and ΔpH in cells, organelles, and vesicles
20. Acid resistance of Helicobacter pylori depends on the Urel membrane protein and an inner membrane proton barrier
21. Supramolecular assembly and acid resistance of Helicobacter pylori urease
22. Genomic-sequence comparison of two unrelated isolates of the human gastric pathogen Helicobacter pylori
23. The complete genome sequence of the gastric pathogen Helicobacter pylori
24. +-gated urea channel: The link between Helicobacter pylori urease and gastric colonization
25. Ion permeability of the cytoplasmic membrane limits the maximum growth temperature of bacteria and archaea
26. A bifunctional urease enhances survival of pathogenic Yersinia enterocolitica and Morganella morganii at low pH
27. The protonmotive force and β-galactoside transport in Bacillus acidocaldarius
28. Membrane potential in a potassium transport-negative mutant of Escherichia coli K-12. The distribution of rubidium in the presence of valinomycin indicates a higher potential than that of the tetraphenylphosphonium cation
29. The proton electrochemical gradient in Escherichia coli cells
30. Proton electrochemical gradient in Escherichia coli cells and its relation to active transport of lactose
31. An estimation of the light-induced electrochemical potential difference of protons across the membrane of Halobacterium halobium
32. Transmembrane electrical potential and transmembrane pH gradient in the acidophile Thiobacillus ferrooxidans