Abstract
Changes in broadline proton nuclear magnetic resonance parameters of cell walls during growth of etiolated hypocotyls of bean (Phaseolus vulgaris L.) indicate that cell wall structure becomes more rigid during development. Most of the changes are completed in the first 6 cm below cotyledon insertion and are correlated with increased restriction of proton movements in regions of dense polymer packing.
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Abbreviations
- FID:
-
free induction decay
- M2 :
-
second moment
- M2interpair :
-
interpair second moment
- NMR:
-
nuclear magnetic resonance
- T1D :
-
dipolar relaxation time
- T2 :
-
spin-spin relaxation time
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This work was supported by grants from Natural Sciences and Engineering Research Council of Canada to A.L.M., I.E.P.T. and M. Bloom.
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Wallace, J.C., MacKay, A.L., Sasaki, K. et al. A proton nuclear magnetic resonance study of the physical changes in growing plant cell walls. Planta 190, 227–230 (1993). https://doi.org/10.1007/BF00196615
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DOI: https://doi.org/10.1007/BF00196615