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Small Talk Cell-to-Cell Communication in Bacteria

Small Talk Cell-to-Cell Communication in Bacteria. Prokaryotic (Bacterial) Cells. V. fischeri Quorum Sensing. LuxR. LuxI. LuxR. Luciferase Genes. Quorum Sensing In Bacteria. LuxR. LuxI. LuxR. Target genes. Acyl-Homoserine Lactone Autoinducers. LuxI-LuxR Quorum Sensing Systems.

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Small Talk Cell-to-Cell Communication in Bacteria

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  1. Small Talk Cell-to-Cell Communication in Bacteria

  2. Prokaryotic (Bacterial) Cells

  3. V. fischeri Quorum Sensing LuxR LuxI LuxR Luciferase Genes

  4. Quorum Sensing In Bacteria LuxR LuxI LuxR Target genes

  5. Acyl-HomoserineLactone Autoinducers

  6. LuxI-LuxR Quorum Sensing Systems V. fischeri P. aeruginosa A. tumefaciens E. carotovora Bioluminescence Virulence Factors, Biofilms Mating, Transfer of Mobile DNA Virulence Factors, Antibiotic Synthesis

  7. Quorum Sensing in V. harveyi LuxQ AI-2 Luciferase Genes AI-1 Light LuxN

  8. V. harveyi Reporter Strain AI-1 AI-2 Luciferase Genes AI-1 Light LuxN

  9. V. harveyi Reporter Strain AI-2 LuxQ AI-2 Luciferase Genes AI-1 Light

  10. Quorum Sensing in E. coli and Salmonella

  11. Bacteria That Contain luxS (A sample of 534 genomes sequenced) Actinobacillus actinomycetemcomitans Actinobacillus pleuropneumoniae Actinobacillus suis Bacillus anthracis Bacillus halodurans Bacillus subtilis Borrelia burgdorferi Campylobacter jejuni Clostridium acetobutylicum Clostridium difficile Clostridium perfringens Deinococcus radiodurans Escherichia coli MG1655 Escherichia coli O157:H7 Enterococcus faecalis Haemophilus influenzae Helicobacter pylori Klebsiella pneumoniae Lactococcus lactis Leuconostoc oenos Listeria monocytogenes Mannheimia haemolytica Neisseria gonorrhoeae Neisseria meningitidis Pasteurella multocida Pasteurella trehalosi Porphyromonas gingivalis Proteus mirabilis Salmonella paratyphi Salmonella typhi Salmonella typhimurium Shewanella putrefaciens Shigella flexneri Staphylococcus aureus Staphylococcus epidermidis Streptococcus gordonii Streptococcus mutans Streptococcus pneumoniae Streptococcus pyogenes Vibrio cholerae Vibrio harveyi Vibrio parahaemolyticus Vibrio anguillarum Vibrio vulnificus Yersinia pestis

  12. Targets of AI-2

  13. Quorum Sensing in V. harveyi LuxQ AI-2 Luciferase Genes AI-1 Light LuxN

  14. Inter-Species Communication The Structure of AI-2 4,5-Dihydroxy-2,3-Pentanedione

  15. Making Antibiotics Based on AI-2 LuxQ AI-2 LuxS Luciferase Genes AI-1 Light LuxN

  16. Making Antibiotics Based on AI-2 CHEMISTRY AI-2 AI-2 Analog

  17. AI-2 Quorum Sensing in V. harveyi LuxQ AI-2 Luciferase Genes No Light

  18. AI-1 Quorum Sensing in V. harveyi Luciferase Genes AI-1 Light LuxN

  19. Making Antibiotics Based on AI-2 Test Substance Dead or Alive Inject Virulent Bacteria

  20. Quorum Sensing In Bacteria Bacteria Talk to Each Other Multiple Languages i.e., intra- and inter-species communication Bacteria Distinguish Self from Other Many More Molecules Remain To Be Discovered i.e., molecules that tell “who” the other is Quorum Sensing Allows Bacteria To Be Multi-Cellular Similar to Higher Organisms Opportunities for Novel Biotechnological Applications To Impede/Enhance Quorum Sensing Controlled Functions Natural Anti-Quorum Sensing Strategies Already Exist

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