Cytoskeleton-associated, carbohydrate-metabolizing enzymes in maize identified by yeast two-hybrid screening

Holtgräwe D, Scholz A, Altmann B, Scheibe R (2005)
Physiologia Plantarum 125(2): 141-156.

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Abstract
We have used yeast two-hybrid screens and biochemical methods to identify glycolytic enzymes that interact with subcellular structures in hypoxic maize seedlings. As binding domain-bait fusion constructs, we have cloned actin, cytosolic aldolase, the three sucrose synthase (SUS) isoforms SUS1, SUS3, and SH1 as well as the SNF1-related protein kinase into yeast and identified cytosolic isoforms of glyceraldehyde 3-phosphate dehydrogenase (GAPDH), enolase, tubulin, and mitochondrial porin voltage-dependent anion channel protein (VDAC) as well as protein kinases and proteins involved in ubiquitinylation and proteasome-linked degradation as interacting activation domain-prey clones. The results were further confirmed using overlay blots (VDAC) as well as co-polymerization and co-precipitation assays (tubulin and actin). Some results were obtained that support the idea of metabolite and modification effects on the association, namely guanosine triphosphate (GTP)/MgCl2 was necessary for the binding of enolase to actin. GAPDH is inactivated upon association with tubulin but then serves to stabilize the microtubules. The findings support the idea of the dynamic formation of locally associated complexes of enzymes involved in sucrose breakdown and glycolysis in plant cells depending on their metabolic state.
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Holtgräwe D, Scholz A, Altmann B, Scheibe R. Cytoskeleton-associated, carbohydrate-metabolizing enzymes in maize identified by yeast two-hybrid screening. Physiologia Plantarum. 2005;125(2):141-156.
Holtgräwe, D., Scholz, A., Altmann, B., & Scheibe, R. (2005). Cytoskeleton-associated, carbohydrate-metabolizing enzymes in maize identified by yeast two-hybrid screening. Physiologia Plantarum, 125(2), 141-156.
Holtgräwe, D., Scholz, A., Altmann, B., and Scheibe, R. (2005). Cytoskeleton-associated, carbohydrate-metabolizing enzymes in maize identified by yeast two-hybrid screening. Physiologia Plantarum 125, 141-156.
Holtgräwe, D., et al., 2005. Cytoskeleton-associated, carbohydrate-metabolizing enzymes in maize identified by yeast two-hybrid screening. Physiologia Plantarum, 125(2), p 141-156.
D. Holtgräwe, et al., “Cytoskeleton-associated, carbohydrate-metabolizing enzymes in maize identified by yeast two-hybrid screening”, Physiologia Plantarum, vol. 125, 2005, pp. 141-156.
Holtgräwe, D., Scholz, A., Altmann, B., Scheibe, R.: Cytoskeleton-associated, carbohydrate-metabolizing enzymes in maize identified by yeast two-hybrid screening. Physiologia Plantarum. 125, 141-156 (2005).
Holtgräwe, Daniela, Scholz, Anke, Altmann, Bianca, and Scheibe, Renate. “Cytoskeleton-associated, carbohydrate-metabolizing enzymes in maize identified by yeast two-hybrid screening”. Physiologia Plantarum 125.2 (2005): 141-156.
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