NextPolish: a fast and efficient genome polishing tool for long-read assembly
Jiang Hu1, Junpeng Fan1, Zongyi Sun1
1GrandOmics Biosciences, Beijing, 102200, China.
Bioinformatics (Oxford, England)
|November 29, 2019
Summary
NextPolish is a new tool that corrects errors in long-read genome sequencing data. It efficiently polishes genome assemblies, improving accuracy and speed compared to existing methods.
Area of Science:
- Genomics
- Bioinformatics
- Computational Biology
Background:
- Long-read sequencing technologies offer high genome contiguity but are limited by significant error rates.
- Accurate genome assembly is crucial for various biological and medical applications.
Purpose of the Study:
- To develop an efficient and accurate tool for correcting sequence errors in long-read genome assemblies.
- To improve the quality of genome sequences generated by long-read sequencing technologies.
Main Methods:
- Developed NextPolish, a tool with two modules for scoring and counting K-mers from short reads.
- Utilized high-quality short reads to polish genome assemblies with high error rates.
Main Results:
- NextPolish demonstrated superior speed and efficiency in correcting sequence errors.
- The tool achieved higher correction accuracy compared to Pilon when tested on human and Arabidopsis thaliana genomes.
Conclusions:
- NextPolish provides an effective solution for error correction in long-read genome assemblies.
- This tool enhances the utility of long-read sequencing for generating high-accuracy genomes.
