Hongos endófitos en 2 plantas medicinales del nordeste argentino: I: análisis morfotaxonómico de sus comunidades foliares / Endophytic fungi in medicinal plants of northeast of Argentina: I: morphotaxonomic approach of their foliar community
Bol. micol
;
25: 15-27, dic. 2010. tab, graf
Article
in Spanish
| LILACS
| ID: lil-585723
RESUMEN
Se evaluó la presencia de hongos endófitos en hojas de dos plantas medicinales, Acanthospermum australe y Pterocaulon alopecuroides, utilizadas entre otras cosas para tratar infecciones cutáneas. El muestreo se realizó en el entorno rural de dos ciudades del nordeste argentino. Los especimenes fueron recogidos por aborígenes de la zona conocedores de su distribución ambiental. Los hongos se aislaron mediante la técnica de Bisseger et al., 1994 y se identificaron empleando caracteristicas morfofisiológicas. Considerando las dos plantas, se encontraron 40 morfoespecies, donde los taxa más frecuentes en Acanthospermum australe fueron Alternaria alternata, Aureobasidium pullulans, Fusarium oxysporum, F.solani, Myrothecium roridum, Phoma spp. y Sordaria fimícola, y en Pterocaulon alopecuroides fueron Alternaria alternata, Aureobasidium pullulans, Cladosporium cladosporioides, Curvularia lunata, Fusarium proliferatum y Myrothecium roridum. Estos taxas considerados como generalistas (o de múltiples hospedadores), presentan según la literatura específica analizada, alta producción de metabolitos secundarios bioactivos con potenciales capacidades terapéuticas antimicrobianas.
ABSTRACT
The presence of endophytic fungi in leaves of two medicinal plants (Acanthospermum australe andPterocaulon alopecuroides) used mainly to treat skin infections, was evaluated. The sampling was performed in the rural area of two cities of northeast Argentina.The specimens were collected by the aboriginals who know the ®medicines¼. Fungi were isolated employing the Bisseger et al., 1994 technique and they were identifying by morpho fisiological characteristics. Regarding the two plant species, 40 morphospecies were found. The most frequent taxa in Acanthospermum australe were Alternaria alternata, Aureobasidium pullulans, Fusarium oxysporum, F. solani, Myro-thecium roridum, Phoma sp. and Sordaria fimícola, and inPterocaulon alopecuroides were Alternaria alternata, Aureobasidium pullulans, Cladosporium cladosporioides, Curvularia lunata, Fusarium proliferatum y Myrothecium roridum. These species considered generalistics (found in multiple hosts), presented in the analized literature a high production of bioactive secondary metabolites with eventual antimicrobial therapeutic properties.
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Index:
LILACS (Americas)
Main subject:
Plants, Medicinal
/
Skin Diseases, Infectious
/
Fungi
Type of study:
Prognostic study
Country/Region as subject:
South America
/
Argentina
Language:
Spanish
Journal:
Bol. micol
Journal subject:
Microbiology
Year:
2010
Type:
Article
Affiliation country:
Argentina
/
Chile
/
Italy
Institution/Affiliation country:
Universidad Nacional del Nordeste/AR
/
Universidad de Valparaíso/CL
/
Università degli Studi di Pavia/IT
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