ArticlePlant physiology1994
Two Distinct Aldolases of Class II Type in the Cyanoplasts and in the Cytosol of the Alga Cyanophora paradoxa.
Article in Plant physiology, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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Who cites it
7 citing papers in PubMed, 23 citations in OpenAlex.
- The return of metabolism: biochemistry and physiology of glycolysis.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Molecular Characterization, Gene Evolution, and Expression Analysis of the Fructose-1, 6-bisphosphate Aldolase (FBA) Gene Family in Wheat (Frontiers in plant science · 2017Article
- Evolution and functional diversification of fructose bisphosphate aldolase genes in photosynthetic marine diatoms.Molecular biology and evolution · 2012Article
- The peculiar distribution of class I and class II aldolases in diatoms and in red algae.Current genetics · 2005Article
- Lateral transfer and recompartmentalization of Calvin cycle enzymes of plants and algae.Journal of molecular evolution · 2004Article
- Higher-plant chloroplast and cytosolic fructose-1,6-bisphosphatase isoenzymes: origins via duplication rather than prokaryote-eukaryote divergence.Plant molecular biology · 1996Article
- Plastid Class I and Cytosol Class II Aldolase of Euglena gracilis (Purification and Characterization).Plant physiology · 1994Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Two aldolases from the alga Cyanophora paradoxa (Glaucocystophyta) can be separated by chromatography on diethylaminoethyl-Fractogel. The two aldolases are inhibited by 1 mM ethylene-diaminetetraacetate (EDTA) and, therefore, are class II aldolases. When cells of C. paradoxa were fractionated, one aldolase was associated with the cytosol fraction and the other was associated with the cyanoplast fraction. The Km(fructose-1,6-bisphosphate) was 600 [mu]M for the cytosolic aldolase and 340 [mu]M for the cyanoplast aldolase. The activity of the cytosolic aldolase was increased up to 4-fold by 100 mM K+ and slightly inhibited by Li+ and Cs+, whereas the cyanoplast aldolase was not affected by these ions. Inactivation by 1 mM EDTA could be partly restored by the addition of Co2+ or Mn2+ and to a lesser extent by Zn2+ or Mg2+. The molecular masses of the native cytosolic and cyanoplast aldolases are about 90 and 85 kD, respectively, as estimated by velocity centrifugation in sucrose gradients. Implications for the evolution of class I and II aldolases in chloroplasts of higher plants and algae will be discussed.
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Registered trials
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