1. Biofilm formation, as described for Pseudomonas aeruginosa in the introductor
ID: 195843 • Letter: 1
Question
1. Biofilm formation, as described for Pseudomonas aeruginosa in the introductory passage, occurs in a series of steps. Use the information in the chapter to place the steps in the correct order, from first to last.
colonization,attachment,dispersal, and development
2.
Understanding the process of biofilm formation in Pseudomonas aeruginosa is important in understanding the role of explosive cell death and in determining the most effective ways to use antibiotics.
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Attachment
Colonization
Dispersal
Development
The initiation of polysaccharide production during the phase is triggered by elevated c-di-GMP levels.
During the phase, quorum sensing and AHL signals cause bacteria to undergo changes associated with the biofilm lifestyle.
During the phase, an established biofilm continues to grow and to produce more extracellular polysaccharide matrix.
During the phase, limited nutrient availability or another environmental stressor causes cells to undergo changes and to be released from the biofilm.
During the phase, cells randomly collide with a surface.
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Help
Attachment
Colonization
Dispersal
Development
The initiation of polysaccharide production during the phase is triggered by elevated c-di-GMP levels.
During the phase, quorum sensing and AHL signals cause bacteria to undergo changes associated with the biofilm lifestyle.
During the phase, an established biofilm continues to grow and to produce more extracellular polysaccharide matrix.
During the phase, limited nutrient availability or another environmental stressor causes cells to undergo changes and to be released from the biofilm.
During the phase, cells randomly collide with a surface.
Explanation / Answer
Attachment, colonization, development and dispersal
Colonization
Colonization
Development
Dispersal
Attachment
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