Microbiology: Probiotics and Bacteriocins
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Questions and Answers

What is the antibacterial substance produced by Bacillus NM-12?

  • Protease
  • Bacteriocin
  • Defroxamine
  • Siderophore (correct)

    • Which bacterium is able to colonize and proliferate in the gut of P.monodon larvae?

  • Alteromonas sp.
  • Bacillus S11 (correct)
  • Aeromonas
  • Vibrio E

    • What is the function of the protease produced by Saccharomyces boulardii?

  • Producing siderophores
  • Inhibiting pathogenic fungi
  • Removing toxin receptors (correct)
  • Exhibiting antibacterial activity

    • What is the compound produced by Alteromonas sp. (strain 1-2) that inhibits the growth of pathogenic fungi?

    <p>2, 3-indolinedione (Isatin)</p> Signup and view all the answers

    What is the characteristic of the protein produced by Alteromonas-like bacterium (strain No. 6)?

    <p>Thermolabile and high molecular weight</p> Signup and view all the answers

    What is the function of Saccharomyces boulardii in relation to diarrheal infections?

    <p>Showing a putative immunotherapeutic effect</p> Signup and view all the answers

    What is the effect of Lactobacillus on the growth of microorganisms?

    <p>They inhibit the growth of microorganisms.</p> Signup and view all the answers

    What is the name of the bacteriocin produced by L.lactis?

    <p>Nisin</p> Signup and view all the answers

    What is the effect of Lactococcus on the growth of Brachionus plicatilis?

    <p>It enhances the growth of Brachionus plicatilis.</p> Signup and view all the answers

    What is the target of Leuconostoc?

    <p>Listeria monocytogenes</p> Signup and view all the answers

    What is the effect of Carnobacterium on lactic acid bacteria?

    <p>It inhibits the growth of lactic acid bacteria.</p> Signup and view all the answers

    What is the mechanism by which Bacillus inhibits the growth of other bacteria?

    <p>It competes for nutrients.</p> Signup and view all the answers

    What is the effect of Bacillus on resistant bacteria?

    <p>It inhibits the growth of resistant bacteria.</p> Signup and view all the answers

    What is the role of Lactobacillus in the gut?

    <p>It produces lactic acid, which inhibits the proliferation of putrefactive microbes.</p> Signup and view all the answers

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