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    Genome-wide analysis of Phaseolus vulgaris C2C2-YABBY transcription factors under salt stress conditions
    (Springer Heidelberg, 2017) Inal, Behcet; Buyuk, Ilker; Ilhan, Emre; Aras, Sumer
    The aim of this study was to identify and characterize the C2C2-YABBY family of genes by a genome-wide scale in common bean. Various in silico approaches were used for the study and the results were confirmed through common molecular biology techniques. Quantitative real-time PCR (qPCR) analysis was performed for identified putative PvulYABBY genes in leaf and root tissues of two common bean cultivars, namely Yakutiye and Zulbiye under salt stress condition. Eight candidate PvulYABBY proteins were discovered and the length of these proteins ranged from 173 to 256 amino acids. The isoelectric points (pIs) of YABBY proteins were between 5.18 and 9.34 and ranged from acidic to alkaline, and the molecular weight of PvulYABBYs were between 18978.4 and 28916.8 Da. Three segmentally duplicated gene couples among the identified eight PvulYABBY genes were detected. These segmentally duplicated gene couples were PvulYABBY-1/PvulYABBY-3, PvulYABBY-5/PvulYABBY-7 and PvulYABBY-6/PvulYABBY-8. The predicted number of exons among the PvulYABBY genes varied from 6 to 8 exons. Additionally, all genes found included introns within ORFs. PvulYABBY-2, -4, -5 and -7 genes were targeted by miRNAs of five plant species and a total of five miRNA families (miR5660, miR1157, miR5769, miR5286 and miR8120) were detected. According to RNA-seq analysis, all genes were up- or down-regulated except for PvulYABBY-1 and PvulYABBY-6 after salt stress treatment in leaf and root tissues of common bean. According to the qPCR analysis, six out of eight genes were expressed in the leaves but only four out of eight genes were expressed in the roots and these genes exhibited tissue-and cultivar-specific expression patterns.
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    Genome-wide and expression analysis of Phaseolus vulgaris L. mTERF genes under salt stress
    (Elsevier Science Bv, 2017) Ilhan, Emre; Mustagini, Abdullah; Buyuk, Ilker; Inal, Behcet; Aras, Sumer
    [Abstract Not Available]
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    Genome-wide identification of salinity responsive HSP70s in common bean
    (Springer, 2016) Buyuk, Ilker; Inal, Behcet; Ilhan, Emre; Tanriseven, Mehmet; Aras, Sumer; Erayman, Mustafa
    The present study is aimed to identify and characterize HSP70 (PvHSP70) genes in two different common bean cultivars under salt stress. For this purpose various in silico methods such as RNAseq data and qRT-PCR analysis were used. A total of 24 candidate PvHSP70 gene were identified. Except for chromosome 4 and 7, these candidate PvHSP70 genes were distributed on the remaining chromosomes. While the lowest number of PvHSP70 genes was determined on chromosomes 1, 3, 5, 7, 9, 10 and 11 (one HSP70 gene), the highest number of PvHSP70s was on chromosomes 6 and 8 (seven HSP70 genes each). Three genes; PvHSP70-5, -9, and -10 were found to have no-introns. In addition, four tandemly and six segmentally duplicated gene couples were detected. A total of 13 PvHSP70 genes were targeted by miRNAs of 44 plant species and the most targeted genes were PvHSP70-5 and -23. The expression profile of PvHSP70 genes based on publicly available RNA-seq data was identified and salt treated leaf tissue was found to have more gene expression levels compared to the root. qRT-PCR analysis showed that the transcript concentrations of upregulated PvHSP70 genes in leaves of Zulbiye (sensitive) were mostly higher than those of Yakutiye (resistant). The present study revealed that PvHSP70 genes might play an important role in salt stress response for common bean cultivars and variability between cultivars also suggests that these genes could be used as functional markers for salt tolerance in common bean.