Effect of low-temperature hardening on activities of proteolytic enzymes and their inhibitors in the leaves of wheat and cucumber seedlings

Effect of low-temperature hardening on activities of proteolytic enzymes and their inhibitors in... On seedlings of winter wheat (Triticum aestivum L.) and cucumber (Cucumis sativus L.), the dynamics of cysteine and serine trypsin-like proteinases and also trypsin inhibitors at cold hardening (5°C for wheat and 10°C for cucumber) was studied. Activation of proteinases and inhibitors coincided in time or preceded an increased tolerance in wheat and cucumber seedlings in the early period of their hardening. After attaining the highest wheat tolerance, activity amidases reduced, whereas the increased activity levels of cysteine proteinases and trypsin inhibitors was maintained during the entire period of hardening. In cucumber, in these period activities of amidases and trypsin inhibitors reduced, whereas the activity of cysteine proteinases was maintained at the level close to the initial one. It is suggested that cysteine proteinases, amidases, and trypsin inhibitors are involved in plant adaptation to cold. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Effect of low-temperature hardening on activities of proteolytic enzymes and their inhibitors in the leaves of wheat and cucumber seedlings

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2011 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Sciences ; Plant Physiology
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443711020051
Publisher site
See Article on Publisher Site

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