ROLE OF PHOTOSYNTHETIC PIGMENTS AND ANTIOXIDANT ENZYMES AGAINST OXIDATIVE STRESS

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AMINI Z.; HADDAD R.

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Paper Information

Journal: Journal of Molecular and Cellular Researches Year:2014 | Volume:26 | Issue:3 Page(s): 251-265

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Information Journal Paper

Title

ROLE OF PHOTOSYNTHETIC PIGMENTS AND ANTIOXIDANT ENZYMES AGAINST OXIDATIVE STRESS

Author(s)

AMINI Z. | HADDAD R. | Issue Writer Certificate

Keywords

ANTIOXIDANT ENZYMESQ2

CAROTENOIDSQ2

CHLOROPHYLL AQ2

CHLOROPHYLL BQ2

OXIDATIVE STRESSQ2

Abstract

In this experiment, we studied the effects of drought stress under field conditions on CHLOROPHYLL A, CHLOROPHYLL B, CAROTENOIDS, rubisco large subunit (rbsl) and the activities of ANTIOXIDANT ENZYMES in barley at early anthesis, watery ripe, late milk and soft dough stages of two genotypes with different yield (Q13: 1390 Kg/ha and Q20:1582 Kg/ha). The results showed that under OXIDATIVE STRESS CHLOROPHYLL B is more sensitive than CHLOROPHYLL A. The amount of cartenoids increased at initial time of stress period, but declined with the progress of stress. The amount of rbsl declined during senescence and drought stress. The activity of SOD declined with plant age in both water treatments. However it was more in plants under drought stress of Q13. APX activity declined with age in both water treatments of Q13. There were no significant difference with age in Q20 APX activity. Drought stress triggered increases in ANTIOXIDANT ENZYMES activities. We concluded that Q20 has more ability to maintain SOD activity during water deficit stress and APX activity during senescence; therefore it seems that this ability is a key role for increasing the yield of Q20 in compare to Q13.

Cites

SHADE ROLE IN FACILITATION DROUGHT STRESS SYMPTOMS ON PHYSIOLOGY OF MOUNT ATLAS MASTIC (PISTACIA ATLANTICA DESF.) SEEDLINGS

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APA: Copy

AMINI, Z., & HADDAD, R.. (2014). ROLE OF PHOTOSYNTHETIC PIGMENTS AND ANTIOXIDANT ENZYMES AGAINST OXIDATIVE STRESS. JOURNAL OF MOLECULAR AND CELLULAR RESEARCH (IRANIAN JOURNAL OF BIOLOGY), 26(3), 251-265. SID. https://sid.ir/paper/248476/en

Vancouver: Copy

AMINI Z., HADDAD R.. ROLE OF PHOTOSYNTHETIC PIGMENTS AND ANTIOXIDANT ENZYMES AGAINST OXIDATIVE STRESS. JOURNAL OF MOLECULAR AND CELLULAR RESEARCH (IRANIAN JOURNAL OF BIOLOGY)[Internet]. 2014;26(3):251-265. Available from: https://sid.ir/paper/248476/en

IEEE: Copy

Z. AMINI, and R. HADDAD, “ROLE OF PHOTOSYNTHETIC PIGMENTS AND ANTIOXIDANT ENZYMES AGAINST OXIDATIVE STRESS,” JOURNAL OF MOLECULAR AND CELLULAR RESEARCH (IRANIAN JOURNAL OF BIOLOGY), vol. 26, no. 3, pp. 251–265, 2014, [Online]. Available: https://sid.ir/paper/248476/en

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