期刊
BIOINFORMATICS
卷 28, 期 11, 页码 1455-1462出版社
OXFORD UNIV PRESS
DOI: 10.1093/bioinformatics/bts162
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资金
- National Natural Science Foundation of China [30970667, 30770499, 11021463, 61131003]
- National Basic Research Program of China [2011CB707500]
- Excellent Doctoral Dissertation Supervisor Funding of Beijing [YB 20101000102]
Motivation: A high-quality assembly of reads generated from shotgun sequencing is a substantial step in metagenome projects. Although traditional assemblers have been employed in initial analysis of metagenomes, they cannot surmount the challenges created by the features of metagenomic data. Result: We present a de novo assembly approach and its implementation named MAP (metagenomic assembly program). Based on an improved overlap/layout/consensus (OLC) strategy incorporated with several special algorithms, MAP uses the mate pair information, resulting in being more applicable to shotgun DNA reads (recommended as > 200 bp) currently widely used in metagenome projects. Results of extensive tests on simulated data show that MAP can be superior to both Celera and Phrap for typical longer reads by Sanger sequencing, as well as has an evident advantage over Celera, Newbler and the newest Genovo, for typical shorter reads by 454 sequencing.
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