In Silico Analysis of Mobilome Response to Salt Stress in Phaseolus vulgaris L.
2018
İNAL, Behcet
Common bean is an important legume that grown and consumed as animal feed and for human nutrition. It is also an important source of protein in developing countries. Transposable elements (TEs) constitute a large part of the genome in various eukaryotic species. TE was described as garbage DNA by researchers for a long time. Recently, it has been found that TEs can move near stress response genes and they have known effects on plant resistance to diverse stresses. With the acquisition of common bean genome sequence, one of the next step is to annotate the genome and define the functional DNA elements. TEs are the most abundant genetic elements of plant genomes and have an important impact on genome stress evolution and genetic variation. So, it is important to determine TEs in the common bean genome. In the current study, genome-wide transposon annotation and definition were achieved in root and leaf tissues of common bean under salt stress. Homology and sequence structure-based methods were used. Tont2-I-Copia and Copia-39 Copia retrotransposons were found to be more in salt-treated roots and leaves respectively. As a result of the analysis, we found TEs number ranging from 46 to 50 belonging to about twenty different plants. Gene ontology analysis of transposon sequences brought the light on diverse important pathways related to abiotic stress conditions. Keywords:
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