Endophyte fungi species live symbiotically in plants and provide them with protection against herbivorism and pathogens.  Recent studies comparing the endophytic fungal communities associated with leaves of coffee (Coffea arabica) in Puerto Rico have led to the isolation of different strains of the genus Xylaria. Secondary metabolites isolated from Xylaria sp. exhibit a wide variety of biological activities. TLC, 1H-NMR and 13C-NMR were used to perform the initial chemical profiles of two strains of Xylaria (M12 and M34) cultivated in different growth conditions. Results suggest that varying the growth media causes a difference in the chemical contents of these strains. The extracts were screened using antibiotic susceptibility assays against Serratia marcescens, Bacillus subtilis, Staphylococcus aureus, and Escherichia coli. Although no activity was detected in these assays, further analysis for the detection of activity is in progress.

Chemical profiling of fungal endophytes of the genus <i>Xylaria</i> isolated from <i>Coffea arabica</i>

244th National Meeting (2012)

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Chemical profiling of fungal endophytes of the genus Xylaria isolated from Coffea arabica