Abstract

LAGUNES-CASTRO, María de la Soledad et al. Antibacterial activity of methanol:chloroform extracts of phytopathogenic fungi. Rev. mex. fitopatol [online]. 2015, vol.33, n.1, pp.87-94. ISSN 2007-8080.

Antibacterial activity of methanol: chloroform extracts from fifteen phytopathogenic fungi strains was evaluated against bacterial strains of Staphylococcus aureus β-hemolytic, Streptococcus pneumoniae, Staphylococcus epidermis coagulase (+), Escherichia coli and Pseudomonas aeruginosa. The antibacterial activity was determined by the disk diffusion method, with 1.5x108 CFU/mL of bacterial concentration. After 24 h of incubation, Colletotrichum gloeosporioides and Colletotrichum musae extracts showed specific inhibition halos for Escherichia coli (70 µg/mL; 17.6 ± 0.20 and 15.6 ± 0.26 respectively, P<0.0001) and the extract of Idriella lunata showed inhibition on the growth of Escherichia coli, Staphylococcus aureus β-hemolyticand Pseudomonas aeruginosa (70 µg/mL; 9.8 ± 0.15, 9.2 ± 0.15 and 10.2 ± 0.20 respectively, P<0.0001).

Keywords : antimicrobials; extract phytopathogenic fungi.

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