Quantitative gene expression pattern analysis of Na+ Transporter in barley under salinity stress

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GHAFFARIAN SARA; Mohammadi Seyyed Abolghesem

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Journal: GENETIC ENGINEERING AND BIOSAFETY JOURNAL Year:2017 | Volume:6 | Issue:1 Page(s): 105-116

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Title

Quantitative gene expression pattern analysis of Na+ Transporter in barley under salinity stress

Author(s)

GHAFFARIAN SARA | Mohammadi Seyyed Abolghesem | Issue Writer Certificate

Keywords

Barley

Salinity

Gene expression

Stress duration

Na+ transporter gene

Abstract

Salinity is one of the important abiotic stresses which affecting growth and performance of plants. A Plant’ s response to Salinity depends on the genotype, salt intensity and duration of the stress. Plant sodium transporter activity is the most important salt tolerance mechanism in plants. In the present study, the expression pattern of the Na+ transporter gene was investigated in roots of three Barley genotypes (Sahara, an Iranian advanced line (A line) as a salt-tolerant cultivar and Clipper as salt-susceptible) by quantitative real-time-PCR. The plants were exposed to, and mM NaCl at the seedling stage and root samples were harvested hours, days and weeks after salt treatment. Also, root length, wet and dry weight were measured. The results indicated that root fresh and dry weight decreased with increasing salt concentration and duration of treatment. Analysis of variance revealed significant differences of Na+ transporter Gene expression among the genotypes with respect to Salinity levels and sampling stages. Salinity x genotype, Salinity x sampling stage, genotypes x sampling stage and Salinity x genotype x sampling stage were all significant. Increased expression of the gene was associated with salt tolerance in the genotypes. In response to and mM NaCl, the mRNA level of Na+ transporter gene decreased in Clipper. In Sahara and the A-Linen Gene expression decreased and increased respectively in response to and mM NaCl. Under mM NaCl treatment, Gene expression in ALine increased more strongly than in Sahara. The results suggest that in these genotypes, Salinity tolerance is related to greater ability to sequester Na+ into sub-cellular compartments.

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APA: Copy

GHAFFARIAN, SARA, & Mohammadi, Seyyed Abolghesem. (2017). Quantitative gene expression pattern analysis of Na+ Transporter in barley under salinity stress. GENETIC ENGINEERING AND BIOSAFETY JOURNAL, 6(1 ), 105-116. SID. https://sid.ir/paper/270510/en

Vancouver: Copy

GHAFFARIAN SARA, Mohammadi Seyyed Abolghesem. Quantitative gene expression pattern analysis of Na+ Transporter in barley under salinity stress. GENETIC ENGINEERING AND BIOSAFETY JOURNAL[Internet]. 2017;6(1 ):105-116. Available from: https://sid.ir/paper/270510/en

IEEE: Copy

SARA GHAFFARIAN, and Seyyed Abolghesem Mohammadi, “Quantitative gene expression pattern analysis of Na+ Transporter in barley under salinity stress,” GENETIC ENGINEERING AND BIOSAFETY JOURNAL, vol. 6, no. 1 , pp. 105–116, 2017, [Online]. Available: https://sid.ir/paper/270510/en

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