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Transcription factors evaluation in a transcriptome analysis on Chickpea (Cicer arietinum L.) under drought stress

Mahdavi Mashaki, K., Nasrollahnezhad Ghomi, A.A., Zaynali Nezhad, K., Yamchi, A., Soltanloo, H., Thudi, M. and Varshney, R.K.ORCID: 0000-0002-4562-9131 (2019) Transcription factors evaluation in a transcriptome analysis on Chickpea (Cicer arietinum L.) under drought stress. Journal of Crop Breeding, 11 (30). pp. 133-141.

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Drought causes detrimental effect on growth and productivity of many plants, including crops. Chickpea (Cicer arietinum L.) as one of the most important legume crops is subjected to terminal drought stress in arid and semi-arid regions. Transcription factors (TFs) play key roles during signal transduction and adaptation response to abiotic stresses such as drought. In the present study, TFs were assessed in a transcriptome analysis in the root and the shoot tissues of two contrasting drought responsive kabuli chickpea. Out of 4572 differentially expressed genes, 1806 TFs were identified using search on the plant transcription factor database (PTFD). The highest members (101) of the TFs belonged to bHLH family, followed by ERF (87), kinase superfamily (76), NAC (74), MYB (72), WRKY (72), etc. The comparison of the tolerant (Bivanij) and the sensitive (Hashem) cultivars under drought stress showed that the TFs were differently distributed based on the cultivars and the tissue types. The TF families including B3, NAC, MYB, WRKY, bHLH, etc. had most members in response to the drought stress. Furthermore, the results revealed that several TFs which were involved in abiotic stress-related responses and major biosynthetic pathways such as ABA and proline biosynthesis were up-regulated in the shoot of Bivanij as compared to Hashem indicating the vital role of the shoot for inducing drought tolerance in the tolerant cultivar. As result, these findings help the researches to better understanding of signal transduction and stress-related regulating networks in chickpea and provide the transferring of key TFs and promoting drought tolerance by genetic engineering.

Item Type: Journal Article
Publisher: Ethical Charter of Publications of Sari University of Agriculatural Sciences and Natural resources
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