Table 2

circRNA identification software

SoftwareFeatureWebsite
Acfs129Allows for de novo sequencing, and accurate identification and quantification of circRNAs from single- and double-ended RNA datacode.google.com/p/acfs
CIRCfinder22Recognizes intron circular RNAgithub.com/YangLab/CIRCfinder
circRNA_ finder130Has high accuracy, independently of gene annotation informationgithub.com/orzechoj/circRNA_finder.git
CIRI-full131Recognizes circRNA, assembles the complete nucleotide sequences, and quantifies alternative splicing products of circRNAssourceforge.net/projects/ciri-full
Circseq_cup132Assembles full-length circRNA sequences on the basis of back-splicing RNA-seq and double-terminal RNA-seq dataibi.zju.edu.cn/bioinplant
CircExplorer2133Uses integrated multiple alignment algorithms to detect alternative splicing of circRNA, de novo synthesis, and assembly of full-length circRNA transcriptsgithub.com/YangLab/CIRCexplorer2
CIRI2134Based on multiple sub-matching strategies and maximum likelihood estimation models; identifies back-splicing reads and filters false positives from repeated sequences and mapping errorssourceforge.net/projects/ciri/files/CIRI2
CircView135Reveals the structure of circRNA on the basis of species annotation information, allowing users to view the regulatory elements of circRNAs and predict potential functionsgb.whu.edu.cn/CircView
CircSplice136Specific recognition of alternative splicing events within circRNA, enabling comparison of differences between groups of alternative splicing events of circRNAsgb.whu.edu.cn/CircSplice
DCC137Depends on filters and integrated data across repetitive sets to evaluate expression between circRNAs and host genesgithub.com/dieterich-lab/DCC
find_circ138Uses only the fasta sequence of the genome, independently of the gene annotation informationgithub.com/marvin-jens/find_circ
FUCHS139On the basis of long read sequencing data, analyzes alternative splicing events in circRNAs, single and double breakpoint events, and the read coverage of circRNAsgithub.com/dieterich-lab/FUCHS
KNIFE140Relies on Bowtie2 for multi-stage correction, combined with read mapping quality and correction quality for static modeling detection of circRNAsgithub.com/lindaszabo/KNIFE
MapSplice141Tag alignment and splice inference (two-step method)www.netlab.uky.edu/p/bioinfo/MapSplice
PRAPI142Vector drawing of circRNAswww.bioinfor.org/bioinfor/tool/PRAPI
segemehl143Recognizes circRNAs and detects splicing, trans-splicing, and gene fusion eventswww.bioinf.uni-leipzig.de/Software/segemehl
UROBORUS144On the basis of total RNA sequencing data, accurately predicts circRNAs with low expression, but cannot predict circRNAs and circRNAs formed by gene spacersuroborus.openbioinformatics.org