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. 1970 Mar;94(1):27-36.
doi: 10.1007/BF00386606.

[Regulation of glucose-6-phosphate dehydrogenase in spinach chloroplasts by light]

[Article in German]
K Lendzian  1 , H Ziegler
Affiliations

[Regulation of glucose-6-phosphate dehydrogenase in spinach chloroplasts by light]

[Article in German]
K Lendzian et al. Planta. 1970 Mar.

Abstract

1. The activity of the glucose-6-phosphate dehydrogenase (D-glucose-6-phosphate: NADPH oxidoreductase, EC 1.1.1.49) in the homogenate of illuminated leaves of Spinacea oleracea L. (30 min with 30000 Lux) is about 30% lower than in the dark controls. 2. Illumination of isolated chloroplasts (10000 Lux) causes a fast inhibition of the enzyme activity which reaches about 45% after 20 min. 3. The activity of the 6-phosphogluconate dehydrogenase (6-phospho D-gluconate: NADP(+) oxidoreductase, EC 1.1.1.44) is not affected by illumination. 4. These results confirm the idea that illumination results in a switch from the oxidative to the reductive pentose phosphate cycle via light-dependent regulation of glucose-6-phosphate dehydrogenase.

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References

    1. Biochim Biophys Acta. 1967 Sep 12;146(1):18-25 - PubMed
    1. Biochim Biophys Acta. 1969 Oct 21;189(2):207-21 - PubMed
    1. Biochim Biophys Acta. 1970 Mar 18;198(3):407-14 - PubMed
    1. Proc Natl Acad Sci U S A. 1966 Nov;56(5):1543-7 - PubMed
    1. Biochim Biophys Acta. 1965 Nov 29;109(2):390-408 - PubMed

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