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Related to pyocyanin: Pyoverdin
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Noun1.pyocyanin - a toxic blue crystalline antibiotic found in green pus
antibiotic, antibiotic drug - a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections; "when antibiotics were first discovered they were called wonder drugs"
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References in periodicals archive ?
aeruginosa is the only non-lactose fermentor that produce pyocyanin (Meyer, 2000; Reyes et al., 1981) that may alter the microbial community by inhibiting the growth of sensitive microorganisms (Norman et al., 2004).
aeruginosa produces two toxins elastase and pyocyanin via quorum sensing signalling mechanism.18 P.
The P aeruginosa isolates recovered produced colonies with greenish and bluish pigmentation on cetrimide selective agar, due to pyocyanin and pyoverdin pigments typical of Pseudomonas species (Table 2).
Two simple media for the desmostration of pyocyanin and fluorescin.
A total of 53 (87%) isolates showed clear blue-green pigment production (pyocyanin) on Pseudomonas CN agar.
Zhu et al., "Pseudomonas toxin pyocyanin triggers autophagy: implications for pathoadaptive mutations," Autophagy, vol.
The effect of sub-MICs of TONFs on the production of QS-regulated virulence factors, namely, LasB elastase, protease, pyocyanin, and alginate, was determined by employing methods described previously [26, 27].
colony morphology Gram-staining, positive oxidase reaction, production of pyocyanin on Mueller-Hinton agar (Oxoid UK), citrate utilization and growth at 42degC.
Examples of such certain genes reported as redox-active compounds (e.g., pyocyanin), outer membrane multiheme cytochromes (e.g.
These mechanisms include competition for nutrients and place, and producing chitinase, lytic enzyme, siderophores besides many antibiotics viz, 2,4-diacetylphloroglucinol, pyoluteorin, pyrrolnitrin, pyocyanin and oomycin A (Vanitha and Umesha, 2011).