Table 4 The antimicrobial activity of Lactobacillus strains isolated against various pathogens.

From: Survivability, antimicrobial and anticancer effects, and cytotoxicity of Lactobacillus strains isolated from traditional Iranian cheese

Pathogens

Diameter of inhibition zone (mm)

 

C8

C9

C21

C31

C47

S. sanguinis

0.0 ± 0.0c

17.1 ± 0.3a

11.4 ± 0.7b

0.0 ± 0.0c

0.0 ± 0.0c

S. salivarius

0.0 ± 0.0b

13.2 ± 0.4a

0.0 ± 0.0b

0.0 ± 0.0b

0.0 ± 0.0b

S. sobrinus

0.0 ± 0.0b

17.2 ± 0.2a

0.0 ± 0.0b

0.0 ± 0.0b

0.0 ± 0.0b

Y. enterocolitica

0.0 ± 0.0c

16.7 ± 0.4a

6.1 ± 0.5b

0.0 ± 0.0c

5.9 ± 0.4b

S. mutans

0.0 ± 0.0b

16.0 ± 0.2a

0.0 ± 0.0b

0.0 ± 0.0b

0.0 ± 0.0b

P. aeruginosa

0.0 ± 0.0b

13.2 ± 0.3a

0.0 ± 0.0b

0.0 ± 0.0b

0.0 ± 0.0b

S. aureus

6.5 ± 0.8d

16.2 ± 0.4a

8.2 ± 0.7c

8.8 ± 0.3c

10.4 ± 0.1b

B. subtilis

8.1 ± 0.2b

13.1 ± 0.2a

0.0 ± 0.0c

0.0 ± 0.0c

7.3 ± 0.2b

L. monocytogenes

0.0 ± 0.0c

15.2 ± 0.3a

0.0 ± 0.0c

7.7 ± 0.6b

0.0 ± 0.0c

K. pneumoniae

9.3 ± 0.5b

17.3 ± 0.2a

6.8 ± 0.4c

6.2 ± 0.3c

8.8 ± 0.4b

S. flexneri

8.2 ± 0.7b

16.7 ± 0.6a

0.0 ± 0.0d

0.0 ± 0.0d

6.2 ± 0.3c

  1. ATCC: American Type Culture Collection, Virginia, USA. PTCC: Persian Type Culture Collection, Tehran, Iran. Streptococcus sanguinis PTCC 1449, Streptococcus salivarius PTCC 1448, Streptococcus sobrinus PTCC 1601, Yersinia enterocolitica ATCC 23,715, Streptococcus mutans PTCC 1683, Pseudomonas aeruginosa PTCC 1181, Staphylococcus aureus ATCC 25,923, Bacillus subtilis ATCC 19,652, Listeria monocytogenes ATCC 13,932, Klebsiella pneumoniae PTCC 1053, and Shigella flexneri PTCC 1234.
  2. *The values are the means ± standard errors of triplicate samples. a−d Means in the same row with different lowercase letters differ significantly (p < 0.05).