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Bol. micol ; 24: 51-56, dic. 2009. ilus
Article in Spanish | LILACS | ID: lil-585743

ABSTRACT

Se describe un caso de micoparasitismo biotrófico de ocurrencia natural en el suelo, entre las hifas de una cepa de Fusarium oxysporum complex y Cunninghamella sp. Las hifas de F. oxysporum se desarrollaron sobre las células vivas del hospedador, mostrando 2 tipos de efectos parasíticos: uno de enrollamiento y otro de contacto con penetración de las hifas, sin la aparente eliminación del hospedador. Esta situación poco común en la literatura, demuestra las capacidades adaptativas de esta especie al micoparasitismo en grupos filogenéticamente distantes.


This paper describes a case of mycoparasitism naturally occurring, where Fusarium oxysporum parasitizes hyphae of Cunninghamella sp, to show mycoparasitism between the two fungi. This is a case of biotrophic mycoparasitism by contact. The hyphae of F. oxysporum developed closely along the living cells of the host showing mycoparasitic effect, some for a loop, and other contact with penetration of the hyphae. This situation is rare in the literature, demonstrates the adaptive capacities of this species to mycoparasitism in phylogenetically distant groups.


Subject(s)
Cunninghamella/isolation & purification , Cunninghamella/classification , Cunninghamella/growth & development , Cunninghamella/pathogenicity , Fusarium/isolation & purification , Fusarium/classification , Fusarium/growth & development , Fusarium/pathogenicity , Fusarium/virology , Host-Parasite Interactions , Fungi , Soil
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