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Table 1 Actinobacterial isolates obtained from Nameri National Park (NNP) and Panidehing Wildlife Sanctuary (PWS), Assam, India and their antimicrobial activities

From: Antimicrobial potentiality of actinobacteria isolated from two microbiologically unexplored forest ecosystems of Northeast India

Sample collection sites No. of isolates in different isolation media Total no. of isolates No. of isolates showing antimicrobial activity against test pathogens (%)a,b Isolates with antimicrobial activity against SA, EC and CA (%)c Isolates with antimicrobial activity (≥ 25 mm IZ) against SA, EC and CA (%)c,d
AIA ISP2 GLM SA SA EC CA
NNP 17 19 26 44 106 58 (54.72) 52 (49.06) 26 (24.53) 21 (19.81) 14 (13.21)
PWS 15 9 19 23 66 28 (42.42) 22 (33.33) 12 (18.18) 12 (18.18) 10 (15.15)
Total 32 28 45 67 172 86 (50.00) 74 (43.02) 38 (22.09) 33 (19.19) 24 (13.95)
  1. aSA: S. aureus MTCC 96; EC: E. coli MTCC 40; CA: C. albicans MTCC 227
  2. bScreening of antimicrobial activity was done by spot inoculation method. The % of active isolates were calculated based on the total number of isolates obtained in each collection sites
  3. cScreening of antimicrobial activity was done by agar well diffusion method. The % of active isolates were calculated based on the total number of isolates obtained in each collection sites
  4. dIZ: Inhibition zone