PHYSIOLOGICAL AND MOLECULAR STUDIES OF SALINITY RESISTANCE IN DIPLOID AND TETRAPLOID COTTON CULTIVARS

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AGHDASI MAHNAZ; KAHEH BATOUL; BAGHERIEH NAJJAR MOHAMMAD BAGHER

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Journal: Journal of Plant Biological Sciences Year:2012 | Volume:4 | Issue:13 Page(s): 13-27

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Information Journal Paper

Title

PHYSIOLOGICAL AND MOLECULAR STUDIES OF SALINITY RESISTANCE IN DIPLOID AND TETRAPLOID COTTON CULTIVARS

Author(s)

AGHDASI MAHNAZ | KAHEH BATOUL | BAGHERIEH NAJJAR MOHAMMAD BAGHER | Issue Writer Certificate

Keywords

GENE EXPRESSIONQ2

COTTONQ2

SALINITY STRESSQ2

TREHALOSE-6-PHOSPHATE SYNTHASE (TPS1)Q2

ANTIOXIDANT ENZYMEQ2

Abstract

In this research, physiological and molecular response of diploid (Gossypium herbaceum: Ghozedorosht Mahriz) and tetraploid (Gossypium hyrsutum: Sahel) COTTON cultivars were investigated under salt stress. After germination, seedlings were treated by different concentrations (0, 50, 75, 100 and 150 mM) of NaCl under greenhouse conditions. This experiment was implemented applying randomized complete block design in three replicates. The results indicated that the height of Ghozedorosht and Sahel cultivars were decreased by salt treatment. The amount of Chla, Chlb and total chlorophyll showed more reduction in Ghozehdorosht cultivar compared to Sahel cultivar under salinity. After NaCl treatment, Ghozedorosht cultivar showed higher leaf Na concentration compared to Sahel cultivar. The study of ANTIOXIDANT ENZYME activity showed that the peroxidase and polyphenol oxidase activity was reduced by salt treatment. But, peroxidase enzyme activity was significantly induced in Sahel cultivar by treating with NaCl. GENE EXPRESSION analysis showed that salt treatment can induce TPS1 expression in leaf and root organs. The results indicated that Sahel cultivar had higher TPS1 GENE EXPRESSION than that of Ghozedorosht cultivar under salt stress. These results also suggested that increasing of peroxidase enzyme activity and TPS1 GENE EXPRESSION had important roles in Sahel cultivar to be resistant to salt stress compared to Ghozedorosht cultivar.

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APA: Copy

AGHDASI, MAHNAZ, KAHEH, BATOUL, & BAGHERIEH NAJJAR, MOHAMMAD BAGHER. (2012). PHYSIOLOGICAL AND MOLECULAR STUDIES OF SALINITY RESISTANCE IN DIPLOID AND TETRAPLOID COTTON CULTIVARS. IRANIAN JOURNAL OF PLANT BIOLOGY, 4(13), 13-27. SID. https://sid.ir/paper/160003/en

Vancouver: Copy

AGHDASI MAHNAZ, KAHEH BATOUL, BAGHERIEH NAJJAR MOHAMMAD BAGHER. PHYSIOLOGICAL AND MOLECULAR STUDIES OF SALINITY RESISTANCE IN DIPLOID AND TETRAPLOID COTTON CULTIVARS. IRANIAN JOURNAL OF PLANT BIOLOGY[Internet]. 2012;4(13):13-27. Available from: https://sid.ir/paper/160003/en

IEEE: Copy

MAHNAZ AGHDASI, BATOUL KAHEH, and MOHAMMAD BAGHER BAGHERIEH NAJJAR, “PHYSIOLOGICAL AND MOLECULAR STUDIES OF SALINITY RESISTANCE IN DIPLOID AND TETRAPLOID COTTON CULTIVARS,” IRANIAN JOURNAL OF PLANT BIOLOGY, vol. 4, no. 13, pp. 13–27, 2012, [Online]. Available: https://sid.ir/paper/160003/en

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