Isolation of protoplasts from vegetable tissues using extracellular lytic enzymes from fusarium oxysporum f.sp. melonis

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...

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Autor principal: Alconada Magliano, Teresa María
Publicado: 1995
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Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03257541_v27_n4_p191_Alconada
http://hdl.handle.net/20.500.12110/paper_03257541_v27_n4_p191_Alconada
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Sumario: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.