Development of a robust microtiter plate-based assay method for assessment of bioactivity
Autor: | P.K. Walsh, J. T. Casey, D.G. O'Shea, Conall O'Cleirigh |
---|---|
Rok vydání: | 2004 |
Předmět: |
Microbiology (medical)
High-throughput screening Microbial Sensitivity Tests Saccharomyces cerevisiae Bacillus subtilis Microbiology Microtiter plate chemistry.chemical_compound Minimum inhibitory concentration Nephelometry and Turbidimetry Escherichia coli Bioassay Molecular Biology Chromatography Dose-Response Relationship Drug biology biology.organism_classification Streptomyces Bioactive compound Anti-Bacterial Agents chemistry Fermentation Streptomyces hygroscopicus |
Zdroj: | Journal of Microbiological Methods. 58:327-334 |
ISSN: | 0167-7012 |
DOI: | 10.1016/j.mimet.2004.04.017 |
Popis: | A microtiter plate-based assay was developed for the quantitative monitoring of bioactive compound production in Streptomyces hygroscopicus fermentation samples. The method reported demonstrates the successful application of the theories of disk diffusion based methods of bioactivity assessment, to a microtiter assay for high throughput analysis. The assay method facilitates the generation of the dose-response curve of test organisms (Escherichia coli, Bacillus subtilis and Saccharomyces cerevisiae) to a bioactive compound. Using this dose-response curve, the method facilitates definition of three distinct Minimum Inhibitory Concentration (MIC) values for use in the characterisation of the bioactive attributes of a sample. The assay uses established standard procedures to facilitate adaptation of the assay for use with a wider range of test microorganisms. Errors due to the assumption of a linear relationship between turbidity and biomass concentration are also reduced, due to incorporation of a step to convert turbidity to biomass concentration, for use in the calculation of bioactivity. |
Databáze: | OpenAIRE |
Externí odkaz: |