Enzymes of the carbon cycle of photosynthesis

Brooks, Kathleen P.; Criddle, Richard S.

doi:10.1016/0003-9861(66)90107-x

Cited by 34 publications

(2 citation statements)

References 17 publications

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“…The class II aldolases of C. paradoxa are bifunctional for FBP and SuBP as are the class I aldolases from higher plants ([10, 11], this paper). This implies that in both instances a basic reaction mechanism enables each class I and class II aldolases to react with either substrate.…”

Section: Discussionmentioning

confidence: 96%

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Chloroplast class I and class II aldolases are bifunctional for fructose‐1,6‐biphosphate and sedoheptulose‐1,7‐biphosphate cleavage in the Calvin cycle

et al. 1999

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Class I and class II aldolases are products of two evolutionary non-related gene families. The cytosol and chloroplast enzymes of higher plants are of the class I type, the latter being bifunctional for fructose-1,6-and sedoheptulose-1,7-P P in the Calvin cycle. Recently, class II aldolases were detected for the cytosol and chloroplasts of the lower alga Cyanophora paradoxa. The respective chloroplast enzyme has been shown here to be also bifunctional for fructose-1,6-and sedoheptulose-1,7-P P . Kinetics, also including fructose-1-P, were determined for all these enzymes. Apparently, aldolases are multifunctional enzymes, irrespective of their class I or class II type.z 1999 Federation of European Biochemical Societies.

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Section: Discussionmentioning

confidence: 96%

“…While the bifunctional role of class I aldolase for the reversible FBP and SuBP condensation in the Calvin cycle of higher plants has been well‐clarified [10, 11], this question has to be re‐iterated for organisms which perform the Calvin cycle with a class II aldolase, e.g. the algae Cyanophora paradoxa (Glaucocystophyta).…”

Section: Introductionmentioning

confidence: 99%