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Composition sterolique et morphogeneses reproductrices chez Gnomonia leptostyla |
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| Authors: | J Fayret L Lacoste J Alais A Lablache-Combier A Maquestiau Y Van Harverbeke R Flammang H Mispreuve |
| Institution: | 1. Université Paul Sabatier, Laboratoire de Cryptogamie, 31500 Toulouse, France;2. Université de Lille I, Laboratoire de Chimie Organique Physique et Laboratoire de Cryptogamie B.P. 36-59650 Villeneuve d′Ascq, France;3. Université de l′Etat, Laboratoire de Chimie Organique, 19 Avenue Maistriau 7000 Mons, Belgium |
| Abstract: | Sterol components of Gnomonia leptostyla mycelia have been investigated from in vitro cultures in which sexual and asexual morphogenesis are induced by temperature and light conditions. The nature and content of free sterols and sterol esters were determined by MIKE spectrometry. Relations between sterol composition (total sterols; Δ5,7 and Δ5 sterols) and reproductive morphogenesis are discussed, particularly with respect to the degree of sexuality induced. |
| Keywords: | Ascomycetes sterols free sterols reproductive morphogenesis MIKE spectrometry |
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