Copper Toxicity in Capsicum annuum: Superoxide Dismutase and Catalase Activities, Phenolic and Protein Amounts of in-vitro-Grown Plants
Cemil Islek1, Bengu Turkyilmaz Unal2
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1Biology Department, Faculty of Arts and Science, Nigde University, Nigde, Turkey
2Plant and Animal Production Department, Ulukısla Vocational School, Nigde University, Nigde, Turkey
Publish date: 2015-11-27
Submission date: 2015-07-13
Final revision date: 2015-07-29
Acceptance date: 2015-08-08
Pol. J. Environ. Stud. 2015;24(6):2441–2445
To determine some physiological and biochemical changes in Capsicum annuum L. grown in vitro, the effects of different Cu concentrations on this plant were investigated. Cu was applied in the form of Cu sulfate (CuSO4) in three levels (0, 0.1, and 0.2 mM) and at three times (days 8, 10, and 12). With Cu treatments, superoxide dismutase (SOD), catalase (CAT) activities, and total phenolic compound amounts increased compared to the control. The protein amount gradually declined with increasing Cu concentrations. This study demonstrated that Capsicum annuum L. is quite tolerant of Cu and mobilizes catalase, superoxide dismutase, and phenolic compounds in order to mitigate Cu-stress damage.