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Table 2 Observed biological activity, presented as a percentage of inhibition, of fraction 3 (2:8 H2O:MeOH) generated from organic extracts of rice fermentations of various Westerdykella spp. against various pathogens tested at 250 μg mL−1 in a microbroth dilution assay (results of values less than 50 % were not included).

From: Westerdykella reniformis sp. nov., producing the antibiotic metabolites melinacidin IV and chetracin B

Species

Strain

MRSA

VRE

P. aeruginosa

P. vulgaris

S. warneri

C. albicans

W. reniformis

RKGE35 = DAOM 242243

100

100

-

99

100

-

W. ornata

CBS 379.55

87

-

-

-

74

-

W. nigra

CBS 416.72

93

-

-

-

84

-

W. multispora

CBS 383.69

87

-

-

-

73

-

W. cylindrica

CBS 454.72

74

-

-

-

-

-

W. dispersa

CBS 297.56

97

-

-

-

86

-

W. rapa-nueinsis ined.

CBS 604.97

93

-

-

-

82

-