ArticleGenes & genomics2024
Comparative analysis of the transcriptomes from regenerated plants and root explants of endangered Oplopanax elatus.
Article in Genes & genomics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Abstract
backgroundOplopanax elatus is a plant of therapeutic significance in oriental medicine; however, its mass cultivation is limited owing to the difficulties in propagating it from seeds.
methodsIn this study, we investigated the transcriptome profiles and transcriptional regulatory factors expressed during plantlet regeneration from root tissues of the endangered O. elatus.
resultsThe RNA-seq results for the control and regenerated plants cultured in liquid medium for 8 weeks showed that the clean length of the control group was 11,901,667,912 and that of the 8-week sample was 10,115,155,171, indicating a clean value of 97% for both samples. The number of mapped paired-end reads was 63,922,480 for the control group and 54,146,902 for the 8-week sample. The number of genes for which at least one clean data point was mapped was 43,177 in the control group and 42,970 in the 8-week sample. The results of the differentially expressed gene analysis indicate that the number of upregulated genes in the 8-week sample was 158, and the number of downregulated genes was 424. Gene Ontology (GO) analysis of the upregulated genes revealed that GO terms were classified into 14 categories, and genes expressed in the biological process category occurred most frequently. GO terms of the downregulated genes were evenly distributed into two categories: biological process and molecular function. From the upregulated genes, eight reference genes with significant differences in expression were selected and analyzed using real-time PCR. The Oe38836 gene (late embryogenesis abundant protein M17-like isoform X1) showed the highest expression rate that was more than tenfold that of the control. Oe40610 (auxin-responsive protein SAUR21-like) and Oe07114 (glucose-1-phosphate adenyl transferase-like protein) genes showed expression levels that were increased eightfold relative to the control.
conclusionsThe RNA sequencing (RNA-seq) results from the plants regenerated through liquid culture of O. elatus root tissue were confirmed using real-time PCR, indicating their reliability.
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