Antibacterial activity of methanol:chloroform extracts of phytopathogenic fungi

Maria de la Soledad Lagunes-Castro, Aracely López-Monteon, Angel Ramos-Ligonio, Angel Trigos, Alejandro Salinas, Cesar Espinoza

Abstract


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 1.5x10E8 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-hemolytic and 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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