Fig. 2From: Comparison of a mycobacterial phage assay to detect viable Mycobacterium avium subspecies paratuberculosis with standard diagnostic modalities in cattle with naturally infected Johne diseaseA screen shot of a qPCR comparing two quenchers: TAMRA and MGB. Studied are serial dilution of MAP DNA isolated from pure culture of “Dominic” (ATCC 43545). Note the more pronounced amplification with MGBBack to article page