Research Briefing |
Featured
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Analysis |
Large-scale benchmarking of circRNA detection tools reveals large differences in sensitivity but not in precision
This study describes benchmarking and validation of computational tools for detecting circRNAs, finding most to be highly precise with variations in sensitivity and total detection. The study also finds over 315,000 putative human circRNAs.
- Marieke Vromman
- , Jasper Anckaert
- & Pieter-Jan Volders
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Comment |
The variables on RNA molecules: concert or cacophony? Answers in long-read sequencing
Long-read sequencing has become a widely employed technology that enables a comprehensive view of RNA transcripts. Here, we discuss the importance of long-read sequencing in interpreting the variables along RNA molecules, such as polyadenylation sites, transcription start sites, splice sites and other RNA modifications. In addition, we highlight the history of short-read and long-read technologies and their advantages and disadvantages, as well as future directions in the field.
- Careen Foord
- , Justine Hsu
- & Hagen U. Tilgner
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Research Highlight |
Enhanced protein isoform characterization
Long-read proteogenomics helps delineate isoform diversity in full-length proteins.
- Arunima Singh
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Research Highlight |
Spatial RNA mapping
Tagging and sequencing RNAs that are in close spatial proximity in the nucleus shows how the transcriptome is partitioned.
- Nicole Rusk
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Brief Communication |
Deep-learning augmented RNA-seq analysis of transcript splicing
DARTS first uses public domain data to train a deep neural network to predict differential alternative splicing; the predictions are then combined with observed RNA-seq data in a Bayesian framework to infer changes in alternative splicing between biological samples.
- Zijun Zhang
- , Zhicheng Pan
- & Yi Xing
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Brief Communication |
Detection of splice isoforms and rare intermediates using multiplexed primer extension sequencing
MPE-seq uses pools of reverse-transcription primers to facilitate enrichment of splice isoforms and pre-mRNA splicing intermediates.
- Hansen Xu
- , Benjamin J. Fair
- & Jeffrey A. Pleiss
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Research Highlight |
Transcripts from a spliceosome
Two new methods provide high-resolution profiles of splicing events in yeast.
- Tal Nawy
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Article |
Highly parallel direct RNA sequencing on an array of nanopores
Direct sequencing of RNA molecules in real time using nanopores allows for the detection of splice variants and hold promises for profiling RNA modifications.
- Daniel R Garalde
- , Elizabeth A Snell
- & Daniel J Turner
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Article |
Spliced synthetic genes as internal controls in RNA sequencing experiments
Synthetic spike-in standards (‘sequins’), representing spliced mRNA isoforms, provide internal controls for assessing transcript assembly and quantification within and between RNA sequencing libraries. Sequins representing fused genes can be used to determine the sensitivity limit for oncogenic fusions in cancer samples.
- Simon A Hardwick
- , Wendy Y Chen
- & Tim R Mercer
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Article |
m6A-LAIC-seq reveals the census and complexity of the m6A epitranscriptome
m6A-LAIC-seq quantifies the levels of N6-methyladenosine in isoforms of the same gene in a cell-type-specific manner.
- Benoit Molinie
- , Jinkai Wang
- & Cosmas C Giallourakis
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Methods in Brief |
Synthetic data feed machine-learning predictors of splicing
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Brief Communication |
Quantitative gene profiling of long noncoding RNAs with targeted RNA sequencing
CaptureSeq was used to quantitatively profile transcripts with low expression, resulting in a catalog of long noncoding RNA expression in 20 human tissues.
- Michael B Clark
- , Tim R Mercer
- & Marcel E Dinger
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Tools in Brief |
Seeking genetic variants that affect splicing
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Methods in Brief |
Cellular imaging of single-splice variants
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Research Highlights |
Timing an intron's departure
An in vitro RNA-labeling technique with single-molecule resolution offers a look into the kinetics and the location of splicing.
- Nicole Rusk
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Article |
Analysis and design of RNA sequencing experiments for identifying isoform regulation
The mixture of isoforms model (MISO) assesses the confidence in estimates of the abundance of spliced exons or isoforms from paired-end RNA-seq data and detects their differential expression.
- Yarden Katz
- , Eric T Wang
- & Christopher B Burge
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Article |
Conditional gene expression and RNAi using MEC-8–dependent splicing in C. elegans
A conditional gene expression system in Caenorhabditis elegans is reported. It should permit the generation of temperature-sensitive alleles for most genes.
- Andrea Calixto
- , Charles Ma
- & Martin Chalfie