Purification, Characterization, and Mode of Action of Pentocin JL-1, a Novel Bacteriocin Isolated from Lactobacillus pentosus, against Drug-Resistant Staphylococcus aureus

Table 1

Inhibitory spectrum of pentocin JL-1.

Indicator strains	Source	G^+/G^-	Antimicrobial activity
Lactobacillus acidophilus	ATCC314	G^+	−
Lactobacillus casei	ATCC393	G^+	+++
Bacillus subtilis	CGMCC1.1627	G^+	++
MRSA	GIM1.771	G^+	+++
Enterococcus faecalis	ATCC51575	G^+	++
Listeria monocytogenes	ATCC19112	G^+	++
Micrococcus luteus	CGMCC1.2299	G^+	++
Vibrio parahaemolyticus	GIM1.306	G^-	−
Pseudomonas aeruginosa	CGMCC1.1785	G^-	+
Shigella dysenteriae	CGMCC1.1869	G^-	+++
Escherichia coli O157:H7	GIM1.707	G^-	+++

Inhibition zone in diameter (mm): +++: 20–25; ++: 15–19; +: 10–14; −: no inhibitory activity (including the 8 mm diameter of each well). ATCC, American Type Culture Collection, Virginia, USA; CGMCC, China General Microbiological Culture Collection Center, Beijing, China. GIM, Guangdong Microbiology Culture Center, Guangdong, China.