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Article

Investigation and Computational Analysis of the Sulfotransferase (SOT) Gene Family in Potato (Solanum tuberosum): Insights into Sulfur Adjustment for Proper Development and Stimuli Responses

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Department of Plant Breeding, Faculty of Crop Science, Sari Agricultural Sciences and Natural Resources University (SANRU), Sari 4818166996, Iran
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Faculty of Agriculture, Shahrood University of Technology, Shahrood 3619995161, Iran
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Department of Crop and Animal Production, Cilimli Vocational School, Duzce University, 81750 Duzce, Turkey
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Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
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Finnish Museum of Natural History, University of Helsinki, P.O. Box 7, 00014 Helsinki, Finland
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Faculty of Biological and Environmental Sciences, University of Helsinki, P.O. Box 65, 00065 Helsinki, Finland
*
Authors to whom correspondence should be addressed.
Academic Editors: Jesús Pascual and Mónica Escandón
Plants 2021, 10(12), 2597; https://doi.org/10.3390/plants10122597
Received: 16 October 2021 / Revised: 22 November 2021 / Accepted: 24 November 2021 / Published: 26 November 2021
Various kinds of primary metabolisms in plants are modulated through sulfate metabolism, and sulfotransferases (SOTs), which are engaged in sulfur metabolism, catalyze sulfonation reactions. In this study, a genome-wide approach was utilized for the recognition and characterization of SOT family genes in the significant nutritional crop potato (Solanum tuberosum L.). Twenty-nine putative StSOT genes were identified in the potato genome and were mapped onto the nine S. tuberosum chromosomes. The protein motifs structure revealed two highly conserved 5′-phosphosulfate-binding (5′ PSB) regions and a 3′-phosphate-binding (3′ PB) motif that are essential for sulfotransferase activities. The protein–protein interaction networks also revealed an interesting interaction between SOTs and other proteins, such as PRTase, APS-kinase, protein phosphatase, and APRs, involved in sulfur compound biosynthesis and the regulation of flavonoid and brassinosteroid metabolic processes. This suggests the importance of sulfotransferases for proper potato growth and development and stress responses. Notably, homology modeling of StSOT proteins and docking analysis of their ligand-binding sites revealed the presence of proline, glycine, serine, and lysine in their active sites. An expression essay of StSOT genes via potato RNA-Seq data suggested engagement of these gene family members in plants’ growth and extension and responses to various hormones and biotic or abiotic stimuli. Our predictions may be informative for the functional characterization of the SOT genes in potato and other nutritional crops. View Full-Text
Keywords: sulfur; sulfotransferase; potato; bioinformatics; protein structure; stimuli coping sulfur; sulfotransferase; potato; bioinformatics; protein structure; stimuli coping
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MDPI and ACS Style

Faraji, S.; Heidari, P.; Amouei, H.; Filiz, E.; Abdullah; Poczai, P. Investigation and Computational Analysis of the Sulfotransferase (SOT) Gene Family in Potato (Solanum tuberosum): Insights into Sulfur Adjustment for Proper Development and Stimuli Responses. Plants 2021, 10, 2597. https://doi.org/10.3390/plants10122597

AMA Style

Faraji S, Heidari P, Amouei H, Filiz E, Abdullah, Poczai P. Investigation and Computational Analysis of the Sulfotransferase (SOT) Gene Family in Potato (Solanum tuberosum): Insights into Sulfur Adjustment for Proper Development and Stimuli Responses. Plants. 2021; 10(12):2597. https://doi.org/10.3390/plants10122597

Chicago/Turabian Style

Faraji, Sahar, Parviz Heidari, Hoorieh Amouei, Ertugrul Filiz, Abdullah, and Peter Poczai. 2021. "Investigation and Computational Analysis of the Sulfotransferase (SOT) Gene Family in Potato (Solanum tuberosum): Insights into Sulfur Adjustment for Proper Development and Stimuli Responses" Plants 10, no. 12: 2597. https://doi.org/10.3390/plants10122597

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