Identifies cis-natural antisense transcripts (cis-NATs) pairs using strand-specific RNA sequencing (ssRNA-seq) data. NASTIseq provides an R package based on model comparison for characterizing the mechanism by which cis-NAT pairs regulate gene expression. This method first calculates a score based on Bayesian information criterion (BIC), and then identifies candidate cis-NAT pairs that have small intergenic distances and are on opposite strands in the genome.
An effective and efficient computational pipeline for detecting and visualizing editing sites and SNPs in miRNAs. The unique idea is the three-round alignment strategy with a strict control of false positive predictions. MiRME is different from the existing approaches at several aspects. First, MiRME has three progressive rounds of sequence alignment steps to reach a high sensitivity without loosing speed. Second, reads mapped to multiple loci in the genome are normalized using the cross-mapping correction method to reduce the number of false positive predictions. Third, MiRME can identify and visualize all types of editing and mutation sites at one system. Compared with six existing studies or methods, MiRME has shown much superior performance for the identification and visualization of the mutation and editing (M/E) sites of miRNAs from the ever-increasing sRNA high-throughput sequencing profiles.
A web-based tool for the analysis of 3' modifications of microRNAs including the loss or gain of nucleotides relative to the canonical sequence. miTRATA employs parallel processing modules to enhance its scalability when analyzing multiple small RNA (sRNA) sequencing datasets. It utilizes miRBase, currently version 21, as a source of known microRNAs for analysis. miTRATA notifies user(s) via email to download as well as visualize the results online. miTRATA's strengths lies in 1) its biologist-focused web interface, 2) improved scalability via parallel processing, and 3) its uniqueness as a webtool to perform microRNA truncation and tailing analysis.
A webserver for the identification of mature microRNA editing events using deep sequencing data. Raw microRNA sequencing reads can be provided as input, the reads are aligned against the genome and custom scripts process the data, search for potential editing sites and assess the statistical significance of the findings.
Determines thresholds in deep-sequencing datasets of short RNA transcripts. Threshold-seq addresses the critical question of how many reads need to support a short RNA molecule in a given dataset before it can be considered different from “background. It can work with individual datasets; i.e. it does not require the availability of technical or of biological replicates. The tool achieves a good balance between sensitivity and specificity by resampling the distinct sequences of the dataset at hand.
A highly interactive application that visualizes the sequence alignment, secondary structure and normalized read counts in synchronous multi-panel windows. This helps users to easily examine the relationships between the structure of precursor and the sequences and abundance of final products and thereby will facilitate the studies on miRNA biogenesis and regulation. The project manager handles multiple samples of multiple groups. The read alignment is imported in BAM file format. Implemented features comprise sorting, zooming, highlighting, editing, filtering, saving, exporting, etc. Currently, miRseqViewer supports 84 organisms whose annotation is available at miRBase.
An open-source, bioinformatics tool to aid scientists in identifying differentially expressed miRNAs which could be further mined for biological significance. mirnaTA is expected to provide researchers with a means of interpreting raw data to statistical summaries in a fast and intuitive manner.
Predicts novel miRNA candidates. mirDBA is based on alignment of read profiles generated from short RNA-seq data. It aligns ncRNA read profiles from ENCODE against the miRBase read profiles (cleaned for self-matches) and are able to separate ENCODE miRNAs from the other ncRNAs by a Matthews Correlation Coefficient (MCC) of 0.8 and obtain an area under the curve of 0.93. The method can predict 523 novel miRNA candidates. Known human and mouse miRNA read profiles were analyzed and the method found two distinct classes; the first containing two blocks and the second containing >2 blocks of reads.
Facilitates descriptive data investigation including quality control and determination of screen hits. ProFED employs pooled shRNA libraries and Ion Proton next generation sequencing (NGS) -based deconvolution method to proceed. It is useful to find tumor cell-specific targets and synthetic lethal dependencies. This tool offers a function to study read count data in box plots, correlation plots, cluster plots, and principal component analyses.
Analyzes and stores small RNA cloning data. Ebbie is a semi-automated smRNA cloning data processing algorithm that excises multiple instances of smRNA sequence from a DNA file, deposits the smRNA sequences into a MySQL database and performs BlastN searches of these inserts against various databases. The software can identify single and multiple inserts. It can be used for any type of sequence analysis where two constant regions flank the sequence of interest.
Allows to automatically perform analysis of extracellular RNA (exRNAs). TIGER is a data analysis pipeline designed for the study of lipoprotein small RNA sequencing sRNAs; but it has great applicability to all exRNA studies. The software integrates host and non-host sRNA analysis through both genome and database alignments. It allowed for extensive comparisons between lipoproteins, biofluids, and liver samples across many different levels and features.
Quantifies individual immune response based on a recombination landscape of genes encoding B and T cell receptors (BCR and TCR). ImReP is a computational method for rapid and accurate profiling of the adaptive immune repertoire from regular RNA-Seq data. It is able to efficiently extract TCR- and BCR- derived reads from the RNA-Seq data and accurately assemble clonotypes (defined as clones with identical CDR3 amino acid sequences) and detect corresponding V(D)J recombinations. Using CAST clustering technique, ImReP is able to correct assembled clonotypes for PCR and sequencing errors.
Generates a visual representation of sRNAs and user-imported genomic features. VisSR is a platform that can be run as a standalone software or as a module for an external application such as miRCat. This program supplies features enabling the browsing and the overview of a sequence of interest. It also includes options for highlighting specific points in a sequence and ease its investigation.
Identifies miRNA precursors (MIRs) or tasiRNA precursor (TASs) of input small RNA (sRNA). PreMIR detector is part of SoMART, the Server for plant miRNA/tasiRNA Analysis Resources and Tools. PreMIR detector identifies precursor sequences of input sRNAs and checks whether the precursor sequence can fold into the pre-miRNA structure. As input, it uses a FASTA format sRNA sequence and a selection of DNA database(s). The background program uses BLASTN to query the input sRNA sequence(s) against the selected DNA databases to find perfect matching DNA sequences, retrieves up to 200 nt flanking sequences, and reports the DNA sequence as sRNA precursor. Next it uses the UNAFold program to fold the precursor and predict the coding arms for the miRNA, and coordinates for the miRNA. If a perfect matching sequence is found that does not fold into a pre-miRNA structure, no miRNA coding arm or miRNA coordinates are predicted. Multiple sRNA FASTA sequences and multiple DNA databases can be used concurrently.
Detects small RNAs that can potentially target user’s gene of interest from sRNA-seq libraries in Arabidopsis, potato, tomato, and tobacco. Slicer Detector is part of SoMART, the Server for plant miRNA/tasiRNA Analysis Resources and Tools. Slicer Detector is linked to the fRNAdb database, which contains sRNA sequences in FASTA format. As input, it uses a FASTA format sequence and an fRNAdb selected from the pull-down menu. The background script uses BLASTN to query the input sequence against the selected fRNAdb with very low stringency and retrieves all matching sRNAs. For each alignment, sequences of approximately 30 nt covering the aligned input region are retrieved and aligned to the matching sRNAs using a modified Smith-Waterman algorithm. Finally, the new alignment is examined for cleavability and cleavable slicer-target pairs are reported in two files. One shows the FASTA format sequences of potential slicers for the input. The other shows the alignments between the input and each slicer, with the predicted cleavage site on the target.
Determines sRNA loci. CoLIde integrates dynamic sRNA expression levels and size class with genomic location to assist in finding distinct loci. It was applied to a total of four plant data sets on Arabidopsis thaliana, Solanum lycopersicum, and the Drosophila melanogaster, animal data set. This tool can preserve patterns from the sRNA level to locus level. It tends to predict compact loci for which the probability of hitting two distinct annotations is low.
Assists in obtaining quantitative profiles of known and novel miRNAs. Deep_sequencing is an automated computation pipeline for analysis of deep sequencing data and quantitative expression. This customized application uses statistical analysis of the Solexa technology sequences for generation of expression profiles and a number of different methods for prediction of novel miRNAs.
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