Name: 2-heptyl-3-hydroxy-4(1H)-Quinolone
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HIT ID:HIT100725855
Cas No:108985-27-9
Common Name:2-heptyl-3-hydroxy-4(1H)-Quinolone
Common Name:2-heptyl-3-hydroxy-4(1H)-Quinolone
alias:Pseudomonas Quinolone Signal, PQS, 2-heptyl-3-hydroxy-4(1H)-Quinolone
alias:Pseudomonas Quinolone Signal, PQS, 2-heptyl-3-hydroxy-4(1H)-Quinolone
IUPAC:2-heptyl-3-hydroxy-1,4-dihydroquinolin-4-one
IUPAC:2-heptyl-3-hydroxy-1,4-dihydroquinolin-4-one
InChI key:CEIUIHOQDSVZJQ-UHFFFAOYSA-N

Molecular Formula:C16H21NO2
Molecular Weight:259.349
Hydrogen Bond Donor (HBD):
Hydrogen Bond Acceptor (HBA):
LogP:
SMILES:CCCCCCCc1[nH]c2ccccc2c(=O)c1O
SMILES:CCCCCCCc1[nH]c2ccccc2c(=O)c1O

2-heptyl-3-hydroxy-4(1H)-Quinolone (Pseudomonas Quinolone Signal) is a quorum-sensing signalling molecule produced by Pseudomonas aeruginosa in response to increased cell density. It increases the expression of the lasB gene in P. aeruginosa, the secretion of the metabolites pyocyanin and the lectin PA-IL, as well as increasing biofilm production in P. aeruginosa populations. It also reduces the iron content of the P. aeruginosa growth medium when used at a concentration of 40 μM and acts as an iron chelator in iron sulphate solutions.

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