Preparation of protoplast-like structures from conidia ofFusarium culmorum |
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Authors: | Isabel Garcia Acha F. Lopez-Belmonte J. R. Villanueva |
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Affiliation: | 1. Instituto de Biología Celular, CSIC, Madrid, Spain
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Abstract: | Protoplast-like structures have been formed by digestion of the cell walls ofFusarium culmorum conidia by lytic enzyme preparations ofMicromonospora AS. Under the test conditions extrusion of the protoplasts was not observed. It seems that digestion of the cell wall occurs in different stages. Digestion of the septa preceded the formation of protoplasts of the individual cells of the multicellularF. culmorum conidia. A few protoplasts survived the lytic enzyme treatment. “Protoplasts” obtained from conidia are much more stable than those obtained from young hyphae and were able to germinate with the formation of normal mycelium. Lysis of some of the protoplast bodies led to the formation of a membranous structure. The protoplasts derived from each of the constituent cells of the conidia could be isolated with the micromanipulator. No differences were found in the ability of the isolated cells to germinate. |
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