Carbamoyl Phosphate Synthetase Activity from the Cotyledons of Developing and Germinating Pea Seeds | Zendy

C. Kollöffel | Zendy; Bep C. Verkerk | Zendy

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Carbamoyl Phosphate Synthetase Activity from the Cotyledons of Developing and Germinating Pea Seeds

Author(s) -

C. Kollöffel,

Bep C. Verkerk

Publication year - 1982

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.69.1.143

Subject(s) - pisum , cotyledon , germination , sativum , biology , enzyme , phosphate , enzyme assay , biochemistry , botany

Carbamoyl phosphate synthetase activity was measured in partially purified extracts from cotyledons of developing and germinating seeds of Pisum sativum L. Some properties of the enzyme were established. During cotyledon development, the activity initially increased sharply but decreased during further development. The activity from germinating seeds was only one-tenth of the maximum activity at an early developmental phase. The results are discussed in relation to pea seed development and germination.

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