Fusarium oxysporum f.sp. melonis, a pathogen of melon (Cucumis melo L.), was grown in shaken cultures at 26 degrees C in a mineral salts medium containing glucose, xylan and apple pectin as carbon sources. The extracellular enzymic complex obtained from these cultures showed lytic activity on plant tissues, causing maceration of melon fruits, potato tubers and carrot roots. Protoplasts were isolated from melon fruits when the maceration was carried out under appropriate osmotic conditions. This fact suggest a possible relationship between the enzymes produced by Fusarium oxysporum f.sp. melonis and their pathogenicity on melon plants.
Documento: | Artículo |
Título: | Isolation of protoplasts from vegetable tissues using extracellular lytic enzymes from fusarium oxysporum f.sp. melonis |
Autor: | Alconada, T.M.; Martínez, M.J. |
Filiación: | Departamento de Ciencias Biológicas, Facultad de Cs.Exactas y Naturales, UBA, Buenos Aires, Argentina |
Palabras clave: | cellulase; fungal protein; galacturonic acid; hexuronic acid; polygalacturonase; xylan 1,4 beta xylosidase; xylan endo 1,3 beta xylosidase; article; carrot; cell wall; comparative study; cytology; drug effect; enzymology; extracellular space; fruit; Fusarium; hydrolysis; potato; protoplast; Cell Wall; Cellulase; Daucus carota; Extracellular Space; Fruit; Fungal Proteins; Fusarium; Hexuronic Acids; Hydrolysis; Polygalacturonase; Protoplasts; Solanum tuberosum; Xylan Endo-1,3-beta-Xylosidase; Xylosidases |
Año: | 1995 |
Volumen: | 27 |
Número: | 4 |
Página de inicio: | 191 |
Página de fin: | 197 |
Título revista: | Revista Argentina de microbiología |
Título revista abreviado: | Rev. Argent. Microbiol. |
ISSN: | 03257541 |
CAS: | cellulase, 9012-54-8; galacturonic acid, 14982-50-4, 685-73-4; polygalacturonase, 9023-92-1, 9032-75-1; xylan 1,4 beta xylosidase, 9025-53-0; xylan endo 1,3 beta xylosidase, 37278-89-0, 9025-55-2; Cellulase, EC 3.2.1.4; Fungal Proteins; galacturonic acid, 14982-50-4; Hexuronic Acids; Polygalacturonase, EC 3.2.1.15; Xylan Endo-1,3-beta-Xylosidase, EC 3.2.1.32; Xylosidases, EC 3.2.1.- |
Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03257541_v27_n4_p191_Alconada |