Molecular detection of viable bacterial pathogens in water by ratiometric pre-rRNA analysis
Gerard A Cangelosi1, Kris M Weigel, Clarita Lefthand-Begay
1Seattle Biomedical Research Institute, Seattle, Washington 98109, USA.
Abstract:
Ratiometric pre-rRNA analysis (RPA) detects the replenishment of rRNA precursors that occurs rapidly upon nutritional stimulation of bacterial cells. In contrast to DNA detection by PCR, RPA distinguishes viable from inactivated bacteria. It exhibits promise as a molecular viability test for pathogens in water and other environmental samples.
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