Journal
NAR GENOMICS AND BIOINFORMATICS
Volume 3, Issue 1, Pages -Publisher
OXFORD UNIV PRESS
DOI: 10.1093/nargab/lqaa108
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Funding
- National Institutes of Health (NIH) [GM128145]
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The task of eukaryotic genome annotation remains challenging and the new BRAKER2 pipeline is an automatic method that outperforms other pipelines in terms of accuracy and performance, yet further innovations are required to achieve highly accurate annotation.
The task of eukaryotic genome annotation remains challenging. Only a few genomes could serve as standards of annotation achieved through a tremendous investment of human curation efforts. Still, the correctness of all alternative isoforms, even in the best-annotated genomes, could be a good subject for further investigation. The new BRAKER2 pipeline generates and integrates external protein support into the iterative process of training and gene prediction by GeneMark-EP+ and AUGUSTUS. BRAKER2 continues the line started by BRAKER1 where self-training GeneMark-ET and AUGUSTUS made gene predictions supported by transcriptomic data. Among the challenges addressed by the new pipeline was a generation of reliable hints to proteincoding exon boundaries from likely homologous but evolutionarily distant proteins. In comparison with other pipelines for eukaryotic genome annotation, BRAKER2 is fully automatic. It is favorably compared under equal conditions with other pipelines, e.g. MAKER2, in terms of accuracy and performance. Development of BRAKER2 should facilitate solving the task of harmonization of annotation of proteincoding genes in genomes of different eukaryotic species. However, we fully understand that several more innovations are needed in transcriptomic and proteomic technologies as well as in algorithmic development to reach the goal of highly accurate annotation of eukaryotic genomes.
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