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| Web URL(s): | http://www.jstor.org/stable/2557533
Last checked: 12/18/2015
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| Publication Type:
| Refereed |
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| Author(s): | Simpson, R. J.;
Walker, R. P.;
Pollock, C. J. |
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| Author Affiliation: | School of Agriculture and Forestry, University of Melbourne; Environmental Biology Department, Welsh Plant Breeding Station, AFRC Institute for Grassland and Environmental Research; Environmental Biology Department, Welsh Plant Breeding Station, AFRC Institute for Grassland and Environmental Research |
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| Title: | Fructan exohydrolase activity in leaves of Lolium temulentum L. |
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| Source: | New Phytologist. Vol. 119, No. 4, December 1991, p. 499-507. |
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| Publishing Information: | Oxford, England: Cambridge University Press. |
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| Keywords: | TIC Keywords: Fructans; Lolium temulentum; Leaves; Carbohydrates; Hydrolases
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| Abstract/Contents: | Crude extracts from leaves of Lolium temulentum L. exhibited invertase activity and activity capable of releasing fructose from fructans (fructan exohydrolase; FEH). The optimum pH for FEH activity was between pH 4.8 and 5.5. When shoots of 10-d-old seedings were induced to accumulate fructans by cooling their roots to 5 C and exposing them to continuous light FEH activity declined by at least 50%. FEH activity increased when the shoots were induced to mobilize the fructans by warming the roots to the ambient temperature (20 C) and darkening the plants. Declining activity coincided with the loss of one of at least two FEH isoforms observed after starch gel electrophoresis. Partially purified FEH from leaves of L. temulentum was inhibited when assayed in the presence of 10 mM sucrose. |
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| Language: | English |
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| References: | 24 |
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| Note: | Pictures, b/w
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Simpson, R. J., R. P. Walker, and C. J. Pollock. 1991. Fructan exohydrolase activity in leaves of Lolium temulentum L.. New Phytol. 119(4):p. 499-507. |
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| Web URL(s):
http://www.jstor.org/stable/2557533
Last checked: 12/18/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: QK 1 .N38 |
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