THE GLUCOSE TRANSPORT SYSTEM OFAMPHORA COFFEAEFORMIS(BACILLARIOPHYCEAE)1
- 1 March 1977
- journal article
- research article
- Published by Wiley in Journal of Phycology
- Vol. 13 (1) , 51-57
- https://doi.org/10.1111/j.1529-8817.1977.tb02886.x
Abstract
Amphora coffeaeformis(Ag.) Kütz. var.perpusilla(Grun.) Cleve took up glucose by an inducible transport system. The system was induced byd‐fructose,d‐mannose, as well as glucose. Somed‐pentoses also induced a glucose uptake system but it may not be the same one as that induced by hexose.d‐fructose,d‐mannose and 2‐deoxy‐d‐glucose inhibited 2 mM glucose uptake at equimolar concentration, butd‐pentoses did not. The uptake system decayed inca.5 h in the absence of glucose. The half‐saturation constant for uptake,K8wasca.0.1 mM glucose with a maximum uptake rate,Vmax=0.4 nmol/106cells‐min−1.Keywords
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