Preliminary In Vitro Evaluation of the Probiotic Potential of the Bacteriocinogenic Strain Enterococcus lactis PMD74 Isolated from Ezine Cheese

Table 1

Indicator strains and the antimicrobial activity spectrum of E. lactis PMD74.

Strains	Source^a	Growth conditions^b	Antimicrobial activity^c
			Agar spot test	Well diffusion
Lactobacillus plantarum LMG2003	NLH	MRS, 37°C	+++	NZ
Lactobacillus sake NCDO2714	NLH	MRS, 37°C	+++	+++
Lactococcus lactis SIK83	NLH	M17, 30°C	NZ	NZ
Pediococcus pentosaceus FBB611	NLH	MRS, 37°C	+++	++
Pediococcus pentosaceus BH105	AUFF	MRS, 37°C	NZ	NZ
Bifidobacterium longum CHL28	NLH	MRS, 37°C	++	NZ
Bacillus cereus FM1	NLH	LB, 37°C	NZ	NZ
Listeria monocytogenes ATCC 7644	AUFF	LB, 37°C	+++	+++
Staphylococcus aureus ATCC 6538	AUFF	LB, 37°C	+++	++
Salmonella enterica serotype Typhimurium SL1344	AUFF	LB, 37°C	+++	NZ
Micrococcus luteus NCIMB8166	AUFF	LB, 37°C	NZ	NZ
Enterococcus faecalis LMG2708	NLH	BHI, 37°C	+++	++
Enterococcus faecalis ATCC 29212	AUFF	BHI, 37°C	+++	++
Escherichia coli ATCC 26922	AUFF	LB, 37°C	+++	++
Escherichia coli LMG3083 ETEC	NLH	LB, 37°C	+++	++

^aNLH: Agricultural University of Norway; AUFF: Faculty of Science, University of Ankara, Tukey. ^bMRS: de Man Rogosa Sharpe (Merck, Germany); BHI: brain heart infusion (Merck, Germany); LB: Luria Bertani (Merck, Germany); M17 (Merck, Germany). ^cNZ: no inhibition zone (diameters of inhibition zones are +: 1–5 mm, ++: 6–10 mm, and +++: ≥11 mm).