Abstract
Expansins are proteins that loosen plant cell walls but lack enzymatic activity. Here we describe two protocols tailored to measure the biomechanical activity of bacterial expansin. The first assay relies on the weakening of filter paper by expansin. The second assay is based on induction of creep (long-term, irreversible extension) of plant cell wall samples.
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Acknowledgments
This work was supported by United States Department of Energy Grant DE-FG02-84ER13179 from the Office of Basic Energy Sciences.
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Cosgrove, D.J., Hepler, N.K., Wagner, E.R., Durachko, D.M. (2023). Biomechanical Weakening of Paper and Plant Cell Walls by Bacterial Expansins. In: Abbott, D.W., Zandberg, W.F. (eds) Carbohydrate-Protein Interactions. Methods in Molecular Biology, vol 2657. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-3151-5_5
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DOI: https://doi.org/10.1007/978-1-0716-3151-5_5
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