جلد 13، شماره 64 - ( جلد 13، شماره 64، بهمن و اسفند 1403 )
جلد 13 شماره 64 صفحات 86-75 |
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Al-Aredhi A K, Pourakbar L, Rahmani F, Al-Fanharawi A A. Differential gene expression associated with heavy metal resistance and altering polyphenolic profile in Tamarix hispida grown in two different habitats differing in heavy metal pollution. Plant Process and Function 2025; 13 (64) : 8
URL: http://jispp.iut.ac.ir/article-1-2064-fa.html
URL: http://jispp.iut.ac.ir/article-1-2064-fa.html
Al-Aredhi Ameer Kadhim، Pourakbar Latifeh، Rahmani Fatemeh، Al-Fanharawi Ali Abdulhamza. Differential gene expression associated with heavy metal resistance and altering polyphenolic profile in Tamarix hispida grown in two different habitats differing in heavy metal pollution. فرآیند و کارکرد گیاهی. 1403; 13 (64) :75-86
1- Department of Biology, Faculty of Science, Urmia University, Urmia, Iran
2- Department of Biology, Faculty of Science, Urmia University, Urmia, Iran ،l.pourakbar@yahoo.com
3- Department of Biology, College of Science, University of Al-Muthanna, Samawa, Iraq
2- Department of Biology, Faculty of Science, Urmia University, Urmia, Iran ،
3- Department of Biology, College of Science, University of Al-Muthanna, Samawa, Iraq
چکیده: (112 مشاهده)
The issue of heavy metal pollution poses a significant environmental concern, exerting detrimental effects on the growth and viability of plant life. Plants have evolved various mechanisms to effectively manage heavy metal stress, including the ability to modify their gene expression patterns. This adaptive response allows plants to mitigate the detrimental effects caused by excessive heavy metal accumulation. By altering their gene expression, plants can regulate the production of specific proteins and enzymes that aid in heavy metal detoxification and tolerance. Also, the changes that the plant makes in the production rate of secondary metabolites, including polyphenols, can be a mechanism to deal with the toxicity of environments contaminated with heavy metals. This sophisticated adaptation enables plants to maintain their physiological functions and overall health in the presence of heavy metal stress. This study utilized real-time reverse transcription polymerase chain reaction (RT-PCR) to examine and compare the differential gene expression of the plant, Tamarix hispida in addition to using HPLC to identify the amount of polyphenols in this plant. The plant was harvested from areas with varying levels of heavy metal pollution, including both non-polluted and polluted environments. The findings of this study reveal a noteworthy increase in the all NAC studied genes in T. hispida, within the contaminated site when compared to the uncontaminated area. Also, the consistent and inconsistent changes in the amount of polyphenols in this plant show that some polyphenols such as tamarixtein, hesperidin, galic acid and protocatechuica acid increased and some decreased such as quercetin, rutin, carsnoic acid, naringin acid and apigenine in the polluted environment. These results suggest that these genes and expression of secondary metabolites may play a crucial role in the process of metal detoxification, which allows the plant to tolerate heavy metals. The findings of our study offer valuable insights into the intricate molecular mechanisms underlying the resistance of T. hispida plant to heavy metals. Additionally, we identify promising candidates that could be utilized in genetic engineering approaches for phytoremediation purposes.
شماره‌ی مقاله: 8
نوع مطالعه: پژوهشي |
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تنش فلزات سنگین
دریافت: 1403/2/22 | پذیرش: 1403/3/22 | انتشار: 1403/11/23
دریافت: 1403/2/22 | پذیرش: 1403/3/22 | انتشار: 1403/11/23
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