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Table 2 Antibacterial activity of fungal endophytes isolated from P. chinense against six pathogenic bacteria

From: Bioactive sesquiterpene, plasticizer, and phenols from the fungal endophytes of Polygonum chinense L.

Fungal strains extract

Pseudomonas aeruginosa

Bacillus subtilis

Staphylococcus aureus

Escherichia coli

Enterobacter aerogenes

Klebsiella pneumoniae

P. canescens

19.5 ± 0.9

-

18.6 ± 1.0

21.9 ± 2.1

23.4 ± 0.7

15 ± 1.1

F. chlamydosporum

12.8 ± 1.1

-

14.0 ± 0.5

16.8 ± 0.6

21.2 ± 0.1

13.5 ± 0.9

A. alternata

11.3 ± 0.2

-

9.9 ± 0.3

13.8 ± 0.3

8.9 ± 0.2

11.2 ± 0.1

B. sorokiniana

14.4 ± 1.3

-

10.5 ± 0.4

12.2 ± 1.4

9.2 ± 0.1

10.2 ± 0.5

F. solani

14.6 ± 0.2

-

10.6 ± 0.4

11.6 ± 1.0

-

11.7 ± 0.5

C. geniculata

-

-

-

-

-

-

C. tenuissimum

11.7 ± 0.9

-

9.5 ± 0.7

-

-

10.5 ± 0.2

E. nidulans

-

-

-

7.3 ± 0.1

-

-

F. incarnatum

-

-

-

9.0 ± 0.1

8.5

8.3 ± 0.3

A. longipes

-

-

-

-

-

-

Streptomycin*

33 ± 0.3

32 ± 0.1

31.5 ± 0.5

20 ± 0.1

22 ± 0.1

30 ± 0.2

  1. Data are reported as mean ± SD of three independent analyses (n = 3). *Streptomycin 10 μg disc used; “-” indicates the absence of inhibition zone by the endophytic fungal extract in the disc diffusion method