Browsing by Author "Reager, Madan Lal"

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    Genome-wide analysis of the pleiotropic drug resistance (PDR) gene family and putative PDR specific miRNAs: deciphering their functions in development processes and varied stresses in Triticum aestivum L.
    (Springer Nature, 2026-01-13) Kesawat, Mahipal Singh; Kherawat, Bhagwat Singh; Reager, Madan Lal; Lenka, Sangram K.; Chung, Sang-Min; Masika, Fred Bwayo
    Background The pleiotropic drug resistance (PDR) transporter stands out as one of the largest subfamilies within ABC transporters. These transporters play crucial roles in a multitude of biological processes, including detoxification, phytohormone transportation, stomatal movement, the translocation of various secondary metabolites, tolerance to heavy metal and adaptation to the diverse stress conditions. However, the structural and functional characterization of PDR gene family members in wheat has yet to be fully elucidated. Results In this investigation, we identified 66 TaPDR genes in the genome of wheat. The subsequent phylogenetic tree revealed that the genes clustered into four subfamilies. Chromosomal mapping unveiled the dispersal of 66 TaPDR genes across 17 wheat chromosomes. The twenty-two pairs of duplicated gene were identified in the PDR family. Ka/Ks ratio revealed that 22 duplicated TaPDR genes went through purifying selection. It was noted that the TaPDR genes displayed significant diversity in their gene structures. In addition, the presence of numerous cis-regulatory elements in the promoter regions of the TaPDR genes were identified. Differential expression patterns were observed among TaPDR family members across various tissues and in response to multiple stress conditions. Moreover, this investigation explored the miRNAs targeting TaPDR genes and their expression profiles in various tissues. Conclusion Thus, the results of this study establish a strong basis for further investigation of the functions of TaPDR genes across different tissues, developmental stages, phytohormone responses, and diverse stress in wheat.
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    Genome-wide identification and expression analysis of the Small Ubiquitin-like Modifier (SUMO) gene family in Triticum aestivum L.
    (Springer Nature, 2025-12-11) Kesawa, Mahipal Singh; Kherawat, Bhagwat Singh; Reager, Madan Lal; Badu, Meenakshi; Kabi, Mandakini; Mohanty, Ankita; Raju, Kalidindi Krishnam; Lenka, Sangram K.; Alamery, Salman Freeh; Al-ateeq, Talak K.; Masika, Fred Bwayo; Hong, Choo Bong
    Background: Post-translational modification of proteins by SUMO is critical for a wide range of cellular and developmental processes. Although SUMO proteins have been extensively studied in animals and, to some extent, in Arabidopsis, their precise functions in other crop plants are still largely unknown. Results: In this research, we identified 31 TaSUMO genes in genome of wheat. Phylogenetic tree unveiled that genes clustered into thirteen subfamilies. Chromosomal mapping unveiled the dispersal of 31 TaSUMO genes across 11 wheat chromosomes. The eleven pairs of duplicated gene were identified in the SUMO family. Ka/Ks ratio revealed that 8 duplicated TaSUMO genes went through purifying purification. Furthermore, it was noted that TaSUMO genes displayed significant conversation in their gene structure. In addition, analysis of promoters uncovered the presence of numerous cis-regulatory elements in the promoter region of the TaSUMO genes. The differential expression patterns were observed among TaSUMO family members across various tissues and in response to multifaceted stress conditions. Moreover, this investigation explored the miRNAs targeted to TaSUMO genes and expression profile in various tissues. Conclusion: Thus, the results of this study establish a strong basis for further investigation of the functions of TaSUMO genes across different tissues, developmental stages, phytohormone responses, and diverse stress in wheat.