Abstract
An extremely simple and effective colony PCR procedure is established for both gram-negative and gram-positive bacteria, yeasts, and microalgae. Among the four lysis buffers examined, Y-PER is observed to be more effective than Tris/EDTA, 0.2 % SDS, and 10 mM EDTA in the extraction of PCR-quality genomic DNA from those microorganisms. Vortexing or pipetting agitation of the cells in Y-PER for 5–10 s was sufficient to release genomic DNA for all the test bacteria and yeasts, and most microalgae. Additional incubation at 98 °C for 5 min for further cell disruption was essential only for Chlorella vulgaris due to its notoriously rigid cell wall.
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Acknowledgments
We thank the IB group for their insights and discussion. This work was funded by A*STAR in Singapore ICES/12-574A01.
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Packeiser, H., Lim, C., Balagurunathan, B. et al. An Extremely Simple and Effective Colony PCR Procedure for Bacteria, Yeasts, and Microalgae. Appl Biochem Biotechnol 169, 695–700 (2013). https://doi.org/10.1007/s12010-012-0043-8
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DOI: https://doi.org/10.1007/s12010-012-0043-8