The interaction between endopolygalacturonase from Fusarium moniliforme and PGIP from Phaseolus vulgaris studied by surface plasmon resonance and mass spectrometry.
2001
Studying Protein Interactions Between Fungal Enzyme and Plant Inhibitor
publication
Evidence: moderate
Author Information
Author(s): Benedetta Mattei, Felice Cervone, Peter Roepstorff
Primary Institution: Dipartimento di Biologia Vegetale, Universita di Roma 'La Sapienza'
Hypothesis
The study aims to determine the interaction between endopolygalacturonase from Fusarium moniliforme and PGIP from Phaseolus vulgaris.
Conclusion
The glycosylation of endopolygalacturonase is not required for binding to PGIP, and its presence may actually reduce the interaction.
Supporting Evidence
- The study demonstrated that the glycosylation of the enzyme does not affect its binding to PGIP.
- Affinity measurements showed that the deglycosylated enzyme binds more effectively than the glycosylated form.
- Mass spectrometry confirmed the presence of glycosylation sites on the enzyme.
Takeaway
Scientists looked at how a fungus's enzyme interacts with a plant's defense protein, finding that sugar on the enzyme doesn't help it bind better.
Methodology
The study used surface plasmon resonance and mass spectrometry to analyze the interaction between the proteins.
Digital Object Identifier (DOI)
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