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. 2020 Jun 26;11:1309. doi: 10.3389/fmicb.2020.01309

FIGURE 1.

FIGURE 1

Detection limits of multiplex PCR for L. monocytogenes serotype 4h. The genomic DNA (A) and bacteria suspension (B) of serotype 4h L. monocytogenes were used as the PCR templates. Lane M: DL2000 DNA ladder; Lane CK: negative control. (A) Lanes 1–10: 291 ng/μL, 29.1 ng/μL, 2.91 ng/μL, 291 pg/μL, 29.1 pg/μL, 2.91 pg/μL, 291 fg/μL, 29.1 fg/μL, 2.91 fg/μL, 291 ag/μL. (B) Lanes 1–10: 5.5 × 109, 5.5 × 108, 5.5 × 107, 5.5 × 106, 5.5 × 105, 5.5 × 104, 5.5 × 103, 5.5 × 102, 5.5 × 101, 5.5 × 100 CFU/mL.