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Microchip Electrophoresis for Specific Gene Detection of the Pathogenic Bacteria V. cholerae by Circle-to-Circle Amplification

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Abstract

We have developed a new method for a fast and precise analysis of circle-to-circle amplification (C2CA) product for specific gene detection by microchip electrophoresis. In this method, we have added a new enzymatic step to the C2CA reaction, which could be carried out isothermally at 37°C. Compared to the original single-stranded DNA, the double-stranded DNA that is produced by this enzymatic reaction is more reliable for analysis by microchip electrophoresis. C2CA product was detected within 55 s with high reproducibility by this method which was successfully applied to the detection of 10-ng genomic DNA of the pathogenic bacteria Vibrio, cholerae within 110 s. Purification was found to be an indispensable step for the analysis of the C2CA product of genomic DNA samples.

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Correspondence to Laili Mahmoudian.

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Mahmoudian, L., Melin, J., Mohamadi, M.R. et al. Microchip Electrophoresis for Specific Gene Detection of the Pathogenic Bacteria V. cholerae by Circle-to-Circle Amplification. ANAL. SCI. 24, 327–332 (2008). https://doi.org/10.2116/analsci.24.327

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  • DOI: https://doi.org/10.2116/analsci.24.327

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