Table 1.

Activity (as shown by reduction in turbidity) of endolysins PlyP100, PlyP40, and PlyPSA against different Listeria species¹

Species	Strain ID	Serovar	Reduction in turbidity (%)
			PlyP100	PlyP40	PlyPSA
L. monocytogenes	10403S	1/2a	52.49 ± 0.30	36.12 ± 1.00	2.92 ± 0.93
	SLCC-5764	1/2a	33.87 ± 0.51	34.38 ± 0.73	11.86 ± 1.71
	NRRL B-334192	1/2a	45.9 ± 0.60	38.68 ± 0.89	6.58 ± 1.40
	NRRL B-33395	1/2a	44.95 ± 0.37	40.72 ± 1.69	8.19 ± 1.89
	NRRL B-33391	1/2b	44.61 ± 0.43	29.07 ± 0.81	5.37 ± 0.62
	NRRL B-334242	1/2b	47.32 ± 0.33	44.34 ± 1.00	4.96 ± 1.28
	ATCC 7644	1/2c	39.68 ± 0.12	32.62 ± 1.38	11.37 ± 0.62
	ATCC 19112	1/2c	40.9 ± 0.48	37.98 ± 0.72	5.71 ± 0.77
	NRRL B-33393	3b	44.42 ± 0.49	35.99 ± 2.13	7.89 ± 1.51
	NRRL B-33226	3c	42.29 ± 0.27	37.79 ± 0.99	4.60 ± 1.20
	NRRL B-33403	4a	48.88 ± 0.20	36.33 ± 1.69	35.98 ± 5.17
	ATCC 13932	4b	37.93 ± 0.68	28.95 ± 0.57	26.47 ± 2.00
	NRRL B-334202	4b	41.44 ± 0.60	38.31 ± 1.00	20.78 ± 2.99
	NRRL B-335132	4b	38.41 ± 0.29	17.67 ± 4.66	27.36 ± 0.79
	NRRL B-331042	4b	48.58 ± 0.26	35.57 ± 0.95	23.23 ± 3.48
	NRRL B-33231	4c	41.10 ± 1.51	38.52 ± 0.99	31.17 ± 4.23
	NRRL B-33116	4d	39.32 ± 0.87	35.11 ± 1.27	15.95 ± 0.30
	NRRL B-33120	4e	37.76 ± 0.25	34.26 ± 1.36	25.82 ± 4.69
L. innocua	ATCC 33090	6a	44.85 ± 0.31	33.36 ± 2.45	23.01 ± 2.44
L. ivanovii ssp. ivanovii	NRRL B-33017	5	29.26 ± 1.26	35.03 ± 1.52	34.20 ± 0.04
L. seeligeri	NRRL B-33019	1/2b	49.16 ± 0.49	38.31 ± 2.18	14.67 ± 1.90

¹Values are means ± SEM for triplicate independent experiments.

²Isolated strains associated with food outbreaks.