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Measuring Plant Cell Wall Extension (Creep) Induced by Acidic pH and by Alpha-Expansin
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Measuring Plant Cell Wall Extension (Creep) Induced by Acidic pH and by Alpha-Expansin

Article DOI: 10.3791/1263-v • 09:51 min • March 11th, 2009
March 11th, 2009 •
1, 1
1Department of Biology, Penn State University

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Summary
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We demonstrate the use of a constant-force extensometer to measure long-term extension (creep) of plant cell wall specimens induced by acidic buffers and expansin protein.

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Measuring Plant Cell Wall Extension Creep Acidic PH Alpha-expansin Acid Growth Extensible Low PH Plant Hormone Auxin Cell Elongation Acid-growth Mechanism H+ Pump Plasma Membrane Wall Acidification Expansins Cell Wall-loosening Proteins Cell Turgor Pressure Enlargement Acid-induced Extension Cell Wall Polysaccharides Pectins Expansin Activity Assay Wall Materials Preparation Techniques Cucumber Hypocotyls
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