@ARTICLE{TreeBASE2Ref25629, author = {JEYA NASIM and Neha Malviya and Rajendra kumar and Dinesh Yadav}, title = {Genome wide bioinformatics analysis of Dof transcription factor gene family of chickpea and its comparative phylogenetic assessment with Arabidopsis and rice}, year = {2016}, keywords = {Dof genes, Chickpea, Phylogenetic tree, Divergence, Gene duplication, Bioinformatics}, doi = {}, url = {http://}, pmid = {}, journal = {Plant Systematics and Evolution}, volume = {}, number = {}, pages = {}, abstract = {The genome mining of chickpea (Cicer arietinum L.) revealed a total of 37 putative Dof genes using NCBI BLAST search against the genome with a highly conserved Dof domain. The translated Dof proteins possessed 150-493 amino acid residues with molecular weight ranging from 16.9 to 54.4 kD and pI varied from 4.98 to 9.64 as revealed by Expasy server Protparam. The exon-intron organization showed predominance of intron-less Dof genes in chickpea. The predicted Dof genes were distributed among the eight chromosomes with a maximum of 9 Dof genes present on chromosome 7 and a single Dof gene was found on chromosome 8. The predominance of segmental gene duplication as compared to tandem duplication was observed which might be the prime cause of Dof gene family expansion in chickpea. The cis-regulatory element analysis revealed presence of light responsive, hormone responsive, endosperm specific, meristem specific and stress responsive elements. Comprehensive phylogenetic analyses of Dof genes of chickpea with Arabidopsis, rice, soybean and pigeonpea revealed several orthologs and paralogs assisting in understanding the putative functions of CaDof genes. The functional divergence and site specific selective pressures of chickpea Dof genes have been investigated. The bioinformatics based genome wide assessment of Dof gene family of chickpea attempted in the present study could be a significant step for deciphering novel Dof genes based on genome wide expression profiling. } }

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