Influence of Light on the Ferredoxin-Dependent Glutamate Synthase in Maize Leaves | Zendy

Akira Suzuki | Zendy; Céline Audet | Zendy; Ann Oaks | Zendy

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Influence of Light on the Ferredoxin-Dependent Glutamate Synthase in Maize Leaves

Author(s) -

Akira Suzuki,

Céline Audet,

Ann Oaks

Publication year - 1987

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.84.3.578

Subject(s) - etiolation , glutamate synthase , atp synthase , glutamate receptor , ferredoxin , enzyme , biochemistry , greening , biology , chemistry , glutamate dehydrogenase , ecology , receptor

The ferredoxin (Fd)-dependent glutamate synthase (EC 1.4.7.1) and NADH-dependent glutamate synthase (EC 1.4.1.14) activities are carried out by two immunochemically distinct enzyme proteins in maize leaves (Zea mays W64A and W182E). Continuous irradiation of etiolated tissue at 75 micro einsteins per square meter per second for 24 hours resulted in a 3-fold increase on a fresh weight basis in the activity of the Fd-dependent glutamate synthase and a slight decrease in the activity of the NADH-dependent enzyme. There was also a significant increase of the Fd-glutamate synthase protein during greening of etiolated tissue.

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