Antibacterial activity against plant pathogens by cruded extracts and compounds from Idriella sp.
DOI:
https://doi.org/10.33885/sf.2008.3.1010Keywords:
5-hydroxymethyl-2-furaldehyde, 1-n-Butyl-β-D-fructopyranosideAbstract
Un nuevo aislamiento, Idriella sp. GH5608 fue colectado en la región de Xalapa,
Veracruz, México. Para explorar la existencia de actividad antibacteriana intracelular o
extracelular de dicha cepa, los caldos de cultivo y el extracto metanólico de la biomasa
fueron evaluados por el método de microdilución en caldo en contra de especies patógenas
tanto para humanos como para plantas. De la purificación de los extractos de este hongo se
lograron identificar el 5-hidroximetil-2-furaldehido y el 1-n-Butil-â-D-fructopiránosido.
Estas estructuras fueron determinadas por métodos espectroscópicos. Ambos compuestos
mostraron actividades antibacterianas en contra de Xanthomonas axonopodis,
Pectobacterium carotovorum, P. crhysanthemi y Erwinia amylovora (CMI = 0. 625 mg/ml).
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