Enzyme Activity of Mitochondria from Germinating Seedlings of Sugar Pine (Pinus Lambertiana Dougl.). | Zendy

Robert G. Stanley | Zendy; Eric E. Conn | Zendy

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Enzyme Activity of Mitochondria from Germinating Seedlings of Sugar Pine (Pinus Lambertiana Dougl.).

Author(s) -

Robert G. Stanley,

Eric E. Conn

Publication year - 1957

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.32.5.412

Subject(s) - sugar , germination , pinus <genus> , botany , enzyme , chemistry , biology , biochemistry

succinate, while ?Ig+, AMP, and DPN+ were required for the oxidation of citrate. 2. Pyruvate-2-C14 and acetate-2-C14 were metabolized by the mitochondria. 3. The absorption of water by the endosperm tissue was accompanied by the activation of the Krebs cycle enzyme system. 4. The capacity of mitochondrial particles to oxidize succinate decreased as the embryos germinated; their ability to oxidize citrate and a-ketoglutarate increased. 5. The possible physiological significance of changes in particulate enzyme activity, as related to water uptake by the germinating seed, is discussed.

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