Microbial Communities Flashcards

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1
Q

Symbiosis

A

e. g. bioluminexcent V. fischeri and Bobtail Squid

- Selective colonisation

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2
Q

Parisitism

A

Relationship where one organism benefits and the other suffers

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3
Q

Mutualism

A

Mutually beneficial relationship between organisms

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4
Q

Commensalism

A

One organism benefits, the other neither benefits nor suffers

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5
Q

Biofilms

A
  1. Attachment - suppression of motility factors, induction of adhesion factors
  2. Growth - intercellular interaction, quorum sensing
    Biofilm maturation - induced extracellular polysaccharides (matrix) synthesis, phenotypic diversity
  3. Detachment - Quorum sensing, induction of disassembly factors
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6
Q

Quorum Sensing

A

AHL = Acyl-homoserine lactone

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