Abstract
Taking into account the limits of current genotyping methodologies, we have established a versatile direct PCR method on intact microtissue samples without prior DNA isolation. A simple and standard protocol was developed and validated on a wide range of living organisms including bacterial and fungal strains, plant species and human samples. This allows reliable amplification of target genomic DNA fragment directly from source material using minimal amount of tissue which makes DNA purification irrelevant for a number of biological applications. The direct PCR technique established here represents an excellent alternative to traditional amplification methods used for real-time detection. Since this approach was efficiently and universally applied for high-throughput molecular screening, its implementation will offer new insights for several investigations in human health, biomedical diagnosis, plant biotechnology, as well as in applied environmental and food microbiology.
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Acknowledgements
We are grateful to Dr. Andrea Devlin for proofreading this manuscript and Prof. Michael Florian Mette (Leibniz Institute of Plant Genetics and Crop Plant Research, IPK-Gatersleben, Germany) for helpful discussions. This work was supported by the Tunisian Ministry of Higher Education and Scientific Research.
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ABA designed the work, developed the direct PCR technology, analyzed data and wrote the body of the paper; SO helped in the experimental work, microbiological assays and data analysis. AM co-ordinated the project together with ABA. All authors reviewed, edited and approved the final version of the manuscript.
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We confirm that all experiments are approved by the committee and research studies conducted here using human samples. Experiments were performed in accordance with the relevant government’s regulatory guidelines and regulations.
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Ben-Amar, A., Oueslati, S. & Mliki, A. Universal direct PCR amplification system: a time- and cost-effective tool for high-throughput applications. 3 Biotech 7, 246 (2017). https://doi.org/10.1007/s13205-017-0890-7
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DOI: https://doi.org/10.1007/s13205-017-0890-7