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Stockage intracellulaire des nutriments chez l'algue verte Chlorella sorokiniana Shihira & Krauss

Published online by Cambridge University Press:  01 February 2009

M. Belkoura
Affiliation:
Laboratoire de Physiologie Végétale, Faculté des Sciences Semlalia, Avenue du Prince Moulay Abdellah, BP S15, Marrakech, Maroc
A. Dauta
Affiliation:
Laboratoire d'Hydrobiologie, Université Paul-Sabatier, URA CNRS 695, 118, route de Narbonne, 31062 Toulouse Cedex, France
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Abstract

Les réserves intracellulaires en azote et en phosphore ont été déterminées chez Chlorella sorokiniana. Les quotas cellulaires maximal et minimal pour les deux nutriments sont respectivement de 67,9 et 19,9 µg at. 10-9 cellules pour l'azote et de 5,19 et 0,51 µg at. 10-9 cellules pour le phosphore. Les carences azotée et phosphorée s'accompagnent d'une réduction importante (de 44 % à 83 %) des teneurs en chlorophylle des cellules.

Type
Research Article
Copyright
© Gauthier-Villars, 1994

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Stockage intracellulaire des nutriments chez l'algue verte Chlorella sorokiniana Shihira & Krauss
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