Journal of Stress Physiology & Biochemistry, Vol. 7 No. 1
2011, pp. 5-12 ISSN 1997-0838
Original Text Copyright (cc) 2011 by Tomilin, Olyunina, Veselov
ORIGINAL
ARTICLE
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LIGHT DEPENDENT CHANGES IN PEROXIDASE ACTIVITY AND
PEROXIDE HYDROGEN GENERATION IN THE WHEAT SEEDLINGS
Tomilin M.V., Olyunina L.N., Veselov A.P.
N.I. Lobachevsky state university of
Nizhny Novgorod; Gagarina av., 23, Nizhny Novgorod 603950, Russian
Federation tel.: (831)465-20-40, E-mail: Tom0990@yandex.ru
Received November 19, 2010
Participation of light in modification of peroxidase
enzymatic system activity and peroxide hydrogen generation in the wheat
seedlings shoot and root endocellular compartment is revealed. It is
shown that in elevated parts of seedlings light activates oxidase
peroxidase function and causes peroxide hydrogen accumulation
(oxidative burst); in roots – light induces equivalent changes of both
enzymatic functions, without causing change of ROS level.
