Effect of Cold on Endogenous Fucosyl Transferase Activity in Corn Roots | Zendy

Douglas W. James | Zendy; Russell L. Jones | Zendy

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Effect of Cold on Endogenous Fucosyl Transferase Activity in Corn Roots

Author(s) -

Douglas W. James,

Russell L. Jones

Publication year - 1980

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.65.3.563

Subject(s) - incubation , transferase , chemistry , enzyme assay , fucose , endogeny , biochemistry , stimulation , enzyme , incubation period , biology , endocrinology , glycoprotein

Incubation of excised, 1-centimeter long root tips of corn in chilled distilled H(2)O increases the activity of extractable GDP fucose: polysaccharide fucosyl transferase. Enhancement of transferase activity is optimal at 10 C and incubation at this temperature for 8 hours causes a 3- to 5-fold stimulation of activity. Transfer of roots from 10 to 30 C reverses the enhancement of enzyme activity although reciprocal transfer of roots from 30 to 10 C does not stimulate the accumulation of transferase activity.

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