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https://hdl.handle.net/2440/27250
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Type: | Journal article |
Title: | Enzyme activity involved in glucose phosphorylation in two arbuscular mycorrhizal fungi: indication that polyP is not the main phosphagen |
Author: | Ezawa, T. Smith, S. Smith, F. |
Citation: | Soil Biology and Biochemistry, 2001; 33(9):1279-1281 |
Publisher: | Pergamon-Elsevier Science Ltd |
Issue Date: | 2001 |
ISSN: | 0038-0717 |
Abstract: | Enzyme activity involved in glucose phosphorylation, the first step of glycolysis and the pentose phosphate pathway (PPP), in the spores, extra- and intraradical hyphae of Glomus etunicatum and G. coronatum was measured to clarify the role of polyphosphate as a phosphagen. Hexokinase, which utilizes ATP as a phosphagen was active in the all components of both fungi, suggesting that glucose can be metabolized generally through glycolysis/PPP. Polyphosphateglucokinase-type activity, in which polyphosphate is utilized as a phosphagen, was detectable in the spores and intraradical hyphae of both fungi but negligible compared with that of hexokinase. Hexokinase and polyphosphateglucokinase-type activities were characterized and it seems likely that the apparent polyphosphateglucokinase activity can be attributed to broad substrate specificity of the hexokinase. © 2001 Elsevier Science Ltd. All rights reserved. |
DOI: | 10.1016/S0038-0717(01)00007-4 |
Published version: | http://dx.doi.org/10.1016/s0038-0717(01)00007-4 |
Appears in Collections: | Aurora harvest 2 Soil and Land Systems publications |
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