Project description:The complete mitochondrial genome of Paragorgia papillata Li et al. 2021, a deep-sea gorgonian inhabiting at 858 m in Caroline Ridge, was obtained in this study. The length of the mitochondrial genome is 19,018 bp with 14 protein coding genes, one transfer RNA (tRNA-Met) and two ribosomal RNA genes contained in this circular molecule. Phylogenetic analysis indicated that P. papillata and P. coralloides Bayer, 1993 were two closely related species, and a total of 26 mutational sites (four nonsynonymous mutations included) can be detected between their mitochondrial genomes. This exhibits a case that mitochondrial genomes can be applied to differentiate closely related species in gorgonians. The phylogenetic tree constructed with mitochondrial genomes showed that the families in Octocorallia are reciprocally monophyletic, provided that the family names were revised according to the systematic revision of Octocorallia guided by phylogenomics. However, the relationships of the families within each order were different between the previous phylogenomic work and ours. Integrating mitochondrial genomes from a wider array of Octocorallia families is essential for a more accurate comparison of phylogenies derived from nuclear and mitochondrial sequences in future study.

| S-EPMC11411558 | biostudies-literature

Quantitative profiling of differentially expressed miRNAs in siCTL- and siOASL-transfected HUVECs

Project description:Purpose: The goal of this study is to compare endothelial small RNA transcriptome to identify the target of OASL under basal or stimulated conditions by utilizing miRNA-seq. Methods: Endothelial miRNA profilies of siCTL or siOASL transfected HUVECs were generated by illumina sequencing method, in duplicate. After sequencing, the raw sequence reads are filtered based on quality. The adapter sequences are also trimmed off the raw sequence reads. rRNA removed reads are sequentially aligned to reference genome (GRCh38) and miRNA prediction is performed by miRDeep2. Results: We identified known miRNA in species (miRDeep2) in the HUVECs transfected with siCTL or siOASL. The expression profile of mature miRNA is used to analyze differentially expressed miRNA(DE miRNA). Conclusions: Our study represents the first analysis of endothelial miRNA profiles affected by OASL knockdown with biologic replicates.

2022-09-06 | GSE186354 | GEO

Sequencing of siRNA from soybean containing silencing vectors and empty vectors

Project description:A cDNA library was constructed by Novogene (CA, USA) using a Small RNA Sample Pre Kit, and Illumina sequencing was conducted according to company workflow, using 20 million reads. Raw data were filtered for quality as determined by reads with a quality score > 5, reads containing N < 10%, no 5' primer contaminants, and reads with a 3' primer and insert tag. The 3' primer sequence was trimmed and reads with a poly A/T/G/C were removed

2021-07-21 | GSE180131 | GEO

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