期刊
BMC BIOINFORMATICS
卷 21, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12859-019-3143-4
关键词
RNA-RNA interaction; sRNA; Target prediction; Seed; Accessibility; Constraints
类别
资金
- German Research Foundation (DFG) [BA2168/16-1, BA2168/21-1, BA2168/3-3, EXC-2189, 390939984]
- DFG
- University of Freiburg
- Deutsche Forschungsgemeinschaft (DFG) [EXC-2189, 390939984]
Background Seed and accessibility constraints are core features to enable highly accurate sRNA target screens based on RNA-RNA interaction prediction. Currently, available tools provide different (sets of) constraints and default parameter sets. Thus, it is hard to impossible for users to estimate the influence of individual restrictions on the prediction results. Results Here, we present a systematic assessment of the impact of established and new constraints on sRNA target prediction both on a qualitative as well as computational level. This is done exemplarily based on the performance of IntaRNA, one of the most exact sRNA target prediction tools. IntaRNA provides various ways to constrain considered seed interactions, e.g. based on seed length, its accessibility, minimal unpaired probabilities, or energy thresholds, beside analogous constraints for the overall interaction. Thus, our results reveal the impact of individual constraints and their combinations. Conclusions This provides both a guide for users what is important and recommendations for existing and upcoming sRNA target prediction approaches.We show on a large sRNA target screen benchmark data set that only by altering the parameter set, IntaRNA recovers 30% more verified interactions while becoming 5-times faster. This exemplifies the potential of seed, accessibility and interaction constraints for sRNA target prediction.
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