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Genome-Wide Identification and Characterization of SET Domain Family Genes in L. | LitMetric

Genome-Wide Identification and Characterization of SET Domain Family Genes in L.

Int J Mol Sci

Key Laboratory of Biology and Genetics Improvement of Oil Crops, Oil Crops Research Institute of Chinese Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China.

Published: February 2022

AI Article Synopsis

  • SET domain group encoding proteins act as histone lysine methyltransferases and play key roles in plant development and environmental adaptation by modifying chromatin structures.
  • A genome-wide analysis identified 122 SET domain genes in a specific genome, classifying them into seven groups based on evolutionary relationships and functional characteristics.
  • In-depth expression analysis indicated these genes are crucial in various developmental stages and stress responses in plants, laying groundwork for future functional studies.

Article Abstract

SET domain group encoding proteins function as histone lysine methyltransferases. These proteins are involved in various biological processes, including plant development and adaption to the environment by modifying the chromatin structures. So far, the SET domain genes () have not been systematically investigated in (). In the current study, through genome-wide analysis, a total of 122 were identified in the genome. These were subdivided into seven (I-VII) classes based on phylogeny analysis, domain configurations, and motif distribution. Segmental duplication was involved in the evolution of this family, and the duplicated genes were under strong purifying selection. The promoter sequence of consisted of various growth, hormones, and stress-related cis-acting elements along with transcription factor binding sites (TFBSs) for 20 TF families in 59 of the 122 . The gene ontology (GO) analysis revealed that BnSDGs were closely associated with histone and non-histone methylation and metal binding capacity localized mostly in the nucleus. The in silico expression analysis at four developmental stages in leaf, stem root, floral organ, silique, and seed tissues showed a broad range of tissue and stage-specific expression pattern. The expression analysis under four abiotic stresses (dehydration, cold, ABA, and salinity) also provided evidence for the importance of in stress environments. Based on expression analysis, we performed reverse transcription-quantitative PCR for 15 target in eight tissues (young leaf, mature leaf, root, stem, carpel, stamen, sepal, and petals). Our results were in accordance with the in silico expression data, suggesting the importance of these genes in plant development. In conclusion, this study lays a foundation for future functional studies on in .

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8879272PMC
http://dx.doi.org/10.3390/ijms23041936DOI Listing

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