https://www.selleckchem.com/pr....oducts/ly3537982.htm
A method to rapidly quantify predatory bacterial cell populations using resazurin reduction to resorufin and its resulting fluorescence kinetics (dF/dt) are described. The reliability of this method to measure the predatory populations was demonstrated with the type strain, Bdellovibrio bacteriovorus HD100, as well as B. bacteriovorus 109J and two natural isolates, Halobacteriovorax strains JA-1 and JA-3, with clear correlation when densities were between 107 and 109 PFU/ml. Resazurin was also used to evaluate how B. bacteriovorus HD1
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