Abstract
Transcription factors (TFs) are pivotal players in plant stress signaling and signal transduction pathways. Among the key TFs, NAC, ZF-HD, AP2-EREBP, WRKY and bHLH proteins play crucial roles in the regulation of reprogramming the transcriptome and associated responses in stress. Considering this, genome-wide identification of NAC, ZF-HD, AP2-EREBP, WRKY and bHLH TF families were performed in the C3 model plant, Oryza sativa. The computational study identified 144 NAC, 15 ZF-HD, 164 AP2-EREBP, 103 WRKY, and 135 bHLH proteins and their physicochemical properties and, expression profiling by computational analysis. Genome-wide in silico expression analysis of NAC, ZF-HD, AP2-EREBP, WRKY, bHLH genes showed their differential expression profiling in different tissues. Expression patterns, gene structure, subcellular localization, gene ontology of 17 NAC, 3 ZF-HD, 13 AP2-EREBP, 11 WRKY, 8 bHLH key genes suggested the putative novel variants in stress and signal transduction. These key players are needed to be studied in order to categorize and outline their functional roles in AbS signaling network.
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Abbreviations
- AbS:
-
Abiotic stress
- AbSR:
-
Abiotic stress responsive
- GO:
-
Gene ontology
- TFs:
-
Transcription factors
References
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PM acknowledges Alagappa University Research Fund (Ph.D./1215/AURF Fellowship/2015 dated 25.11.2015), Karaikudi, Tamil Nadu, India for providing Research Fellowship. The authors gratefully acknowledge the use of Bioinformatics Infrastructure Facility, Alagappa University funded by Department of Biotechnology, Ministry of Science and Technology, Government of India Grant (No.BT/BI/25/015/2012).
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Muthuramalingam, P., Krishnan, S.R., Saravanan, K. et al. Genome-wide identification of major transcription factor superfamilies in rice identifies key candidates involved in abiotic stress dynamism. J. Plant Biochem. Biotechnol. 27, 300–317 (2018). https://doi.org/10.1007/s13562-018-0440-3
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DOI: https://doi.org/10.1007/s13562-018-0440-3