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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2012.01.006
|2 doi
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|a DE-627
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|e rakwb
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|a eng
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|a Thounaojam, Thorny Chanu
|e verfasserin
|4 aut
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|a Excess copper induced oxidative stress and response of antioxidants in rice
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|c 2012
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 27.07.2012
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|a Date Revised 18.03.2022
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|a published: Print-Electronic
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|a ErratumIn: Plant Physiol Biochem. 2014 Oct;83:375 Panda, P [corrected to Panda, Piyalee]; Mazumdar, P [corrected to Mazumdar, Purabi]; Sharma, G D [corrected to Sharma, Gauri Dutta]; Sahoo, L [corrected to Sahoo, Lingaraj]; Panda, S K [corrected to Panda, Sanjib Kumar]
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|a Citation Status MEDLINE
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|a Copyright © 2012 Elsevier Masson SAS. All rights reserved.
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|a To investigate the effects of copper (Cu), rice plant (Oryza sativa. L. var. MSE-9) was treated with different Cu concentrations (0, 10, 50 and 100 μM) for 5 days in hydroponic condition. Gradual decrease in shoot and root growth was observed with the increase of Cu concentration and duration of treatment where maximum inhibition was recorded in root growth. Cu was readily absorbed by the plant though the maximum accumulation was found in root than shoot. Hydrogen peroxide (H(2)O(2)) production and lipid peroxidation were found increased with the elevated Cu concentration indicating excess Cu induced oxidative stress. Antioxidant enzymes superoxide dismutase (SOD), guaiacol peroxidase (GPX) and ascorbate peroxidase (APX) and glutathione reductase (GR) were effectively generated at the elevated concentrations of Cu though catalase (CAT) did not show significant variation with respect to control. Ascorbate (ASH), glutathione (GSH) and proline contents were also increased in all the Cu treated plants compared with the control. SOD isoenzyme was greatly affected by higher concentration of Cu and it was consistent with the changes of the activity assayed in solution. The present study confirmed that excess Cu inhibits growth, induced oxidative stress by inducing ROS formation while the stimulated antioxidative system appears adaptive response of rice plant against Cu induced oxidative stress. Moreover proline accumulation in Cu stress plant seems to provide additional defense against the oxidative stress
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Antioxidants
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|a Enzymes
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|a Isoenzymes
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|a Plant Proteins
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|a Trace Elements
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|a Copper
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|a 789U1901C5
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|a Proline
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|a Hydrogen Peroxide
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|a Glutathione
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|a Ascorbic Acid
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|a Panda, Piyalee
|e verfasserin
|4 aut
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|a Panda, P
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|a Mazumdar, Purabi
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|a Mazumdar, P
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|4 aut
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|a Kumar, Devanand
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|a Sharma, Gauri Dutta
|e verfasserin
|4 aut
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|a Sharma, G D
|e verfasserin
|4 aut
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|a Sahoo, Lingaraj
|e verfasserin
|4 aut
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|a Sahoo, L
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|a Panda, Sanjib Kumar
|e verfasserin
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|a Panda, S K
|e verfasserin
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 53(2012) vom: 28. Apr., Seite 33-9
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:53
|g year:2012
|g day:28
|g month:04
|g pages:33-9
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|u http://dx.doi.org/10.1016/j.plaphy.2012.01.006
|3 Volltext
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