Effect of pH on production of virulence factors by biofilm cells of Pseudomonas aeruginosa.
Effect of pH on production of extracellular virulence factors of Pseudomonas aeruginosa grown on catheter in biofilm was determined. Alginate and proteinase production was higher at pH 8; in contrast, siderophores (pyochelin and pyoverdin) were synthesized more intensively at pH 5.
Harjai
K
K
Department of Microbiology, Panjab University, Chandigarh, India. kusum_harjai@hotmail.com
Khandwahaa
R K
RK
Mittal
R
R
Yadav
V
V
Gupta
V
V
Sharma
S
S
D000464:Alginates / Q000378:metabolism; D001426:Bacterial Proteins / Q000378:metabolism; D018441:Biofilms / Q000254:growth & development*; D017077:Culture Media, Conditioned / Q000737:chemistry; D020723:Glucuronic Acid / Q000378:metabolism; D006603:Hexuronic Acids / Q000378:metabolism; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010447:Peptide Hydrolases / Q000378:metabolism; D011552:Pseudomonas Infections / Q000382:microbiology; D011550:Pseudomonas aeruginosa / Q000254:growth & development / Q000378:metabolism / Q000472:pathogenicity* / Q000502:physiology*; D017262:Siderophores / Q000378:metabolism; D014556:Urine / Q000382:microbiology; D037521:Virulence Factors / Q000096:biosynthesis*
D000464:Alginates; D001426:Bacterial Proteins; D017077:Culture Media, Conditioned; D006603:Hexuronic Acids; D017262:Siderophores; D037521:Virulence Factors; D020723:Glucuronic Acid; D010447:Peptide Hydrolases