Pigment production
Clinical laboratory differentiation of Legionellaceae family members with pigment production and fluorescence on media supplemented with aromatic substrates
... Pigment production by members of the Legionellaceae family can be visually determined in at least three forms: i browning, in which the organisms secrete a brown melanin-like pigment int[r] ...
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<em>Pseudomonas aeruginosa</em> induces pigment production and enhances virulence in a white phenotypic variant of <em>Staphylococcus aureus</em>
... An important finding in this study was that a naturally occurring white variant of S. aureus carries an intact and functional crtOPQMN operon for the synthesis of golden pigment staphyloxanthin. The fact that this ...
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Optimization of pigment production using placket burman and surface response methodology
... maximum production of microbial pigment by Fusarium moniliforme, 1% peptone in basal medium is needed but the optimum pH was ...of pigment by Serratia marcescence and Brevibacterium ...maximum ...
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Isolation, Characterization and Pigment Production from Cryptococcus Neoformans in Pigeon Droppings and their UV Susceptibility
... In additional, it is plausible that melanin protects. Cryptococcus in its natural environment by its protective properties against UV irradiation or from the oxidative stress. Melanisaton of C. neoformans in the ...
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Perivascular epithelioid cell tumor of the lung with focal pigment production
... focal pigment production positive for HMB- 45 and negative for S-100 and SOX-10 ...melanin pigment and HMB-45 ...melanin pigment which is unusual in ...
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Cytotoxic potential of a pigment from Serratia marcescens against HepG2 and Jurkat cell lines and optimization of culture condi tions for enhanced pigment production
... on pigment production was also studied and maximum pigment production was found when the culture was kept at 37°C for 48 hrs then shifted to 50°C again for 48 hrs of incubation and yield was ...
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Pigment Production of Pathogenic Bacteria Using Randia Longispina
... the pigment production of pathogenic bacteria using Randia longispina against some bacterial ...produced pigment, which mostly inhibited, when treated with different carbohydrates on bacteria ...
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NAD+-dependent HDAC inhibitor stimulates Monascus pigment production but inhibit citrinin
... the production of pigment and citrinin Relative quantities of intracellular pigment growing in PDB were measured using UV–Vis ...Furthermore, pigment production improved with the ...
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High-throughput system for screening of Monascus purpureus high-yield strain in pigment production
... Natural colorants derived from plants and microorgan- isms have recently gained popularity over synthetic color- ing agents because of undesirable toxic effects including mutagenicity and potential carcinogenicity in ...
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A NOVEL POINT MUTATION IN rpsL GENE OF STREPTOMYCES COELICOLOR WITH ENHANCED BLUE PIGMENT PRODUCTION
... blue pigment production were screened among thirty streptomycin resistant mutants of Streptomyces coelicolor ...blue pigment were all improved, especially for mutant ...blue pigment yield and ...
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Changing oxidoreduction potential to improve water-soluble yellow pigment production with Monascus ruber CGMCC 10910
... Monascus pigment requires many primary metabolites, such as acetyl-CoA, malonyl-CoA, NADH, and NADPH ...the pigment biosynthetic genes showed that the genes MpFasA2, MpFasB2, MpPKS5, mppA, mppB, mppD, mppE, ...
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Pigment production by Cryptococcus neoformans and other Cryptococcus species from aminophenols and diaminobenzenes
... The fact that many aminophenol and aminophenol; in concentrations above 30 diaminobenzene compounds can be converted to mg/liter, it completely inhibited the growth of a melanin-like pig[r] ...
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Pigment production by Cryptococcus neoformans from para and ortho Diphenols: effect of the nitrogen source
... Gentisic acid 2,5-dihydroxybenzoic acid and hydroquinone also produced large amounts of a brown and reddish-brown soluble pigment as well as large amounts of a brown intracellular pigmen[r] ...
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Molecular Insights into Pathogenesis and Infection with Aspergillus Fumigatus
... and pigment production, those involved in immune evasion and nutrient uptake, various hydrolytic enzymes, and signalling molecules that play a role in increasing virulence through altering the metabolic ...
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Advantageous characteristics of the diatom Chaetoceros gracilis as a sustainable biofuel producer
... for pigment production also depend on cul- tivation ...ment, pigment production comparable to F/2-enriched culture medium was achieved (Table ...for pigment analysis was col- lected ...
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Journal of Applied Pharmaceutical Science
... medium polar in nature. Of the various carbon sources tested, glucose, arabinose, xylose, mannitol, fructose, Inositol and rhamnose were found to influence the growth of strain D25. However, the pigment ...
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Speciation of Enterococcus species: better way to deal with clinical infections at resource limited settings
... by pigment production on tryptic soy agar was resistant to beta-lactams, fluoroquinolones, tetracycline and high level aminoglycosides with low level resistance to vancomycin having MIC of 8 - 16 µg/ml ...
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Xenorhabdus luminescens (DNA hybridization group 5) from human clinical specimens
... The key reactions for recognizing this new organism are yellow pigment production, negative test for nitrate reduction to nitrite, weak bioluminescence 10 to 15 min of dark adaptation is[r] ...
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Enterococcus gilvus sp nov and Enterococcus pallens sp nov Isolated from Human Clinical Specimens
... catalase production; susceptibility to vancomycin as determined with a 30-g vancomycin disk; pyrrolidonyl--naphthylamide (PYR) and leucine--naphthyl- amide (LAP) hydrolysis; hydrolysis of esculin in the ...
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Characterization of bacteroides melaninogenicus
... Fifty-eight human isolates of Bacteroides melaninogenicus, 42 from a variety of clinical infections and the rest from normal flora, were studied for pigment production and ultraviolet li[r] ...
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