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#quorum sensing

3 public questions tagged with this topic.

Cell Signaling Other Signaling Pathways

LuxI protein functions as

AHL synthase, is consistent with established principles of cell signaling, receptor pharmacology and cellular regulation. Experimental measurements of binding parameters, genetic loss-of-function studies and pharmacological interventions all converge on the same interpretation. Related options address neighboring concepts but do not satisfy the precise criterion stated in the question.

Ref: NCERT Biology Class 11–12 Alberts et al Molecular Biology of the Cell Lodish et al, Molecular Cell Biology Cooper & Hausman, The Cell Abbas et al., Cellular and Molecular Immunology (for immunology sections)

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Cell Signaling Other Signaling Pathways

Quorum sensing signal in Gram-negative bacteria is usually

Quorum sensing allows bacteria to monitor local population density through the accumulation of secreted autoinducer molecules. Once a threshold concentration is reached, the autoinducer binds a cognate receptor and triggers coordinated changes in gene expression, including virulence-factor production or biofilm formation. The process therefore couples individual cell behavior to collective density.

Ref: NCERT Biology Class 11–12 Alberts et al Molecular Biology of the Cell Lodish et al, Molecular Cell Biology Cooper & Hausman, The Cell Abbas et al., Cellular and Molecular Immunology (for immunology sections)

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Cell Signaling Fundamental Principles

Quorum sensing depends on

Quorum sensing allows bacteria to monitor local population density through the accumulation of secreted autoinducer molecules. Once a threshold concentration is reached, the autoinducer binds a cognate receptor and triggers coordinated changes in gene expression, including virulence-factor production or biofilm formation. The process therefore couples individual cell behavior to collective density.

Ref: NCERT Biology Class 11–12 Alberts et al Molecular Biology of the Cell Lodish et al, Molecular Cell Biology Cooper & Hausman, The Cell Abbas et al., Cellular and Molecular Immunology (for immunology sections)

View Details