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Thermal stress, encountered frequently in aquaculture, affects diverse physiological processes and behavior of fish; however, the mechanism underlying these effects may vary among species. Half-smooth tongue sole (Cynoglossus semilaevis) widely inhabits Asian coastal waters and has been intensively cultured in China. In this study, the transcriptomes of three tissues (gill, liver and muscle) of half-smooth...
Next generation sequencing technology has identified a series of miRNA variants (named “isomiRs”), which might be associated with cancer progression. We provide a new strategy to reanalyze the miR-seq datasets through a view of the isomiR spectrum. Firstly, differentially expressed (DE) isomiRs were detected with the DESeq algorithm based on negative binomial distribution. Secondly, the rank-based...
microRNAs (miRNAs) are a class of small non-coding RNAs that deregulate and/or decrease the expression of target messenger RNAs (mRNAs), which specifically contribute to complex diseases. In our study, we reanalyzed an integrated data to promote classification performance by rebuilding miRNA–mRNA modules, in which a group of deregulated miRNAs cooperatively regulated a group of significant mRNAs....
Accumulating evidence suggests that a single microRNA (miRNA) locus can generate a series of sequences during miRNA maturation process. These multiple sequences, called miRNA variants, or isomiRs, have different lengths and different 5′ and 3′ ends. Some of these isomiRs are detected as varied nucleotides and 3′ additional non-template nucleotides. As physiological miRNA isoforms, they have drawn...
Many microRNAs (miRNAs) are clustered on chromosomes and co-transcribed as polycistronic transcripts. Here, an integrated evolutionary analysis of human miRNA gene clusters and families was performed. Generally, miRNA gene clusters include 2–8 members, but some larger clusters have been found to have more members (over 40 miRNAs). 62.22% of them have been shown to be involved in homologous miRNA genes,...
A mature miRNA may be generated from 5p or 3p arm of a hairpin precursor. The selection may be flexible via “arm switching”. However, accumulating evidences suggest that both arms of many pre-miRNAs can yield mature functional miRNAs. Herein, we attempted to compare the isomiR expression profiles between the two arms through analyzing in-house and published small RNA deep sequencing datasets. Although...
The aim of this study was to estimate the allelic frequencies of the 19 STR loci with the Goldeneye™ DNA ID system 20A kit in a sample of 150 Manchu individuals from China to be used for forensic purposes and population studies. The observed heterozygosity(HO)values of these 19 STR loci ranged from 0.600 (D3S1358) to 0.914 (D18S51), the expected (HE) ranged from 0.615 (TPOX) to 0.876 (D16S1043). The...
MicroRNAs (miRNAs) are crucial negative regulators of gene expression at the post-transcriptional level. Next-generation sequencing technologies have identified a series of miRNA variants (named isomiRs). In this study, paralogous isomiR assemblies (from the miRNA locus) were systematically analyzed based on data acquired from deep sequencing data sets. Evolutionary analysis of paralogous (members...
The pathogenesis of lung cancer in the never-smokers could possibly be different from the one in smokers. PPP1R13L and CD3EAP on chromosome 19q13.3 are mainly involved in apoptosis and transcription. PPP1R13L and CD3EAP variants may be associated with cancer risk. We addressed the effects of variants/haplotypes of PPP1R13L rs1970764 and CD3EAP rs967591 and rs735482 on susceptibility of lung cancer...
Natural or endogenous sense/antisense miRNAs, located on sense and antisense strands in the same genomic region, respectively, are detected recently. However, little is known about these miRNA pairs, especially for their distributions in different animal species. We herein present systematic analysis of them in human, mouse and rat miRNAs, and their expression patterns based on deep sequencing datasets...
In the present study, we investigated the genetic polymorphisms of 6 autosomal STR loci Hum-CSF1PO, D13S317, D5S818, D16S539, TH01, and TPOX in the Xibo population of Liaoning, northeastern China as well as its genetic relationships with other populations in China. No significant deviations from Hardy–Weinberg equilibrium could be found for all loci. Allele frequencies in the Xibo population ranged...
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