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Bacterial Quorum Sensing

Across
AgrC is an example of what type of receptor
Consists of 4 genes, under the control of 2 distinct promoters (2 words)
RhI regulates genes for the synthesis of ___
Region consisting of: AgrC, AgrD and AgrB
Upon phosphorylation, ___ activates/represses TS of target genes in the Agr QS system
QS was first discovered in (2 words)
Gram – AI signals (2 words) ___ ___ lactones
Propeptides are modified, processed and exported by (2 words)
Peptidoglycan from viable and non-viable bacteria stimulate ___ secretion from squid epithelial cells
Once phosphorylated, ___activates TS from P2 and P3 promoters
20 bp inverted repeat required for autoinduction and bioluminescence
What gives rise to the 4 different AIP groups for S. aureus
Accessory gene regulator signal kinase
Gram + AI signals
The virulence factor expression phase involving degrading tissues
Exoproteins produced during the 2nd phase of virulence factor expression
Gram + QS regulates conjugation in Enterococcus ___
AgrB is a ___ protein
Down
Dominant QS system
Compounds that reduce the severity of lung infections in mice
Inhibit interaction of natural AIPs with receptors
Presence of ___ causes C-terminus of LuxR to be free to bind and activate TS of luminescence operon
Enzymes that hydrolyzes the ester bond of the HSL ring
Responsible for signal recognition in the 2-component system (2 words)
A phosphate group is transferred to which residue on RR
# of genes upregulated during post exponential growth phase (roman numerals)
Gene that decreases expression of QS-controlled enzymes in plant pathogen E. carotovora
V. fischeri regulates ___ in squid
# of amino acids in AIPIII
RNAIII downregulates TL of ___
Induces phosphorylation of cytoplasmic HPK domain
QS effector molecule
Self-generated signalling molecule
Type of ring required for AIP activity
1 essential factor for V.f. colonization squid light organ
Only viable gram ___ bacteria form aggregations in squid
Luminescence reaction consumes
AI-responsive TS activator for light production