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Antibiosis

Antibiosis. Nicolas POUSSIN The Plague at Ashdod. 'The Lord's hand oppressed the people of Ashdod. He threw them into despair; he plagued them with tumors, and their territory swarmed with rats. There was death and destruction all through the city.' (1 Samuel 5:6). Amensalism. I. Competition

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Antibiosis

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  1. Antibiosis

  2. Nicolas POUSSIN The Plague at Ashdod 'The Lord's hand oppressed the people of Ashdod. He threw them into despair; he plagued them with tumors, and their territory swarmed with rats. There was death and destruction all through the city.' (1 Samuel 5:6)

  3. Amensalism I. Competition II. Antibiosis

  4. Antibiosis Antagonisitc association Interspecific conccurence Antibiotic – infectious organism Bacterial interference Interspecific molecule synergy - ex. S. epidermidis: epiP + hBD2 –> S. aureus

  5. Antibiosis • Plant – plant • Plant – microorganism • Microorganism – plant • Microorganism – microorganism/parasite

  6. Antibiosis • Plant – plant • - choline • - phytocenosis

  7. Phytocenosis

  8. Common Walnut Black Walnut Juglone Juglans regia

  9. Wormwood Absinthin Ocimum basalicum - Sweet basil Carum carvi - Caraway Artemisia absinthium

  10. Absinth

  11. Couch-grass Common oat(Avena sativa) Agropyrum repens

  12. Hemp Cannabis sativa

  13. 2. Plant – microorganism - phytoncides

  14. Phytoncides „Exterminated by the plant”

  15. 3. Microorganism – plant - marasmines

  16. Marasmines

  17. - basteriostatic (“bstatic”) vs. bactericide (“bcide”) - fungistatic vs. fungicid

  18. 4. Microorganism – microorganism/parasite

  19. Antibiotics

  20. Antibiotics • Bactericidal antibiotics • Bacteriostatic antibiotics

  21. Fleming 1889 – Louis Pasteur 1929 – Alexander Fleming Penicillium notatum Staphylococcus aureus 1940 – substance isolation – Penicillin

  22. Staphylococcus aureus Bacteriocin Avermectine Penicillium notatum

  23. Antibiogram Minimum inhibitory concentration/Minimal inhibiting concentration

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