Study of the presence of DREB۱/ CBF gene family in Viola tricolor
سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 142
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شناسه ملی سند علمی:
JR_IJGPB-10-2_001
تاریخ نمایه سازی: 10 اسفند 1401
چکیده مقاله:
Transcription factors are known as factors having the ability to simultaneously activate several genes in plant and animal genomes. Because of their significance in responding to environmental stresses like salinity, drought, temperature changes, etc., a group of these transcription factors known as DREB۱/ CBF (Dehydration-Responsive Element Binding Protein ۱/ C-repeat binding factor) gene family has been extensively studied in various plant species. In this research, considering the particular and well-stablished role of the genes of this family in cold stress in plants, Viola tricolor (wild pansy), as a cold resistant species, was chosen to identify this gene family. For this purpose, viola plants in the multi-leaf stage were gradually transferred to a -۸ °C chamber and subjected to subfreezing treatment for ۱۸ h. Using bioinformatics analysis based on NCBI database, the initial identification of the AP۲/ ERF (APETALA۲/ Ethylene-Responsive Factor) conserved region in the genes of the members of this family was carried out and the consensus sequence was used for primer design. The sequencing result revealed considerable sequence similarity in this region with genes found in other plant species. Thus, as predicted, this work established the presence of the DREB۱ gene family in V. tricolor. The closest species to V. tricolor was also determined by drawing the phylogenetic tree based on the identified region. The gene expression pattern analysis revealed a significant increase in expression of this gene under cold stress conditions.
کلیدواژه ها:
نویسندگان
الیاس نظامی
Department of Biotechnology, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran.
علی دلجو
Department of Biotechnology, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran.
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