BatMeth: improved mapper for bisulfite sequencing reads on DNA methylation.

BatMeth: improved mapper for bisulfite sequencing reads on DNA methylation.
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DOI:
10.1186/gb-2012-13-10-r82
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发表时间:
2012-10-03
期刊:
影响因子:
12.3
通讯作者:
Sung WK
Sung WK
中科院分区:
生物学1区
文献类型:
--
作者:
Lim JQ;Tennakoon C;Li G;Wong E;Ruan Y;Wei CL;Sung WK

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DNA methylation plays a crucial role in higher organisms. Coupling bisulfite treatment with next generation sequencing enables the interrogation of 5-methylcytosine sites in the genome. However, bisulfite conversion introduces mismatches between the reads and the reference genome, which makes mapping of Illumina and SOLiD reads slow and inaccurate. BatMeth is an algorithm that integrates novel Mismatch Counting, List Filtering, Mismatch Stage Filtering and Fast Mapping onto Two Indexes components to improve unique mapping rate, speed and precision. Experimental results show that BatMeth is faster and more accurate than existing tools. BatMeth is freely available at http://code.google.com/p/batmeth/.
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