Characterization of cell wall properties in needles from Scotch pine trees of various vigor

Characterization of cell wall properties in needles from Scotch pine trees of various vigor Ion-exchange properties of needle cell walls were studied on healthy and severely weakened Scotch pine (Pinus sylvestris L.) trees subjected to industrial pollutions with sulfur and heavy metals. Three types of cation-exchange groups were identified: carboxylic groups of polygalacturonic acid, carboxylic groups unrelated to polygalacturonic acid, and phenolic OH-groups. The needles of impaired trees (vigor state IV) differed from needles of healthy plants (vigor state I) by a higher coefficient of cell wall swelling, higher nitrogen content, and lower content of ion-exchanging groups in the cell wall structure. It is supposed that differences in ion-exchange capacity of cell walls could be among the causes for distribution of pine trees into several groups according to their vigor. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Characterization of cell wall properties in needles from Scotch pine trees of various vigor

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2008 by MAIK Nauka
Subject
Life Sciences; Plant Sciences ; Plant Physiology
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S102144370803014X
Publisher site
See Article on Publisher Site

Abstract

Ion-exchange properties of needle cell walls were studied on healthy and severely weakened Scotch pine (Pinus sylvestris L.) trees subjected to industrial pollutions with sulfur and heavy metals. Three types of cation-exchange groups were identified: carboxylic groups of polygalacturonic acid, carboxylic groups unrelated to polygalacturonic acid, and phenolic OH-groups. The needles of impaired trees (vigor state IV) differed from needles of healthy plants (vigor state I) by a higher coefficient of cell wall swelling, higher nitrogen content, and lower content of ion-exchanging groups in the cell wall structure. It is supposed that differences in ion-exchange capacity of cell walls could be among the causes for distribution of pine trees into several groups according to their vigor.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: May 15, 2008

References

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