Complexity reduction of polymorphic sequences (CRoPS): a novel approach for large-scale polymorphism discovery in complex genomes.

Complexity reduction of polymorphic sequences (CRoPS): a novel approach for large-scale polymorphism discovery in complex genomes.
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多态性序列的复杂性降低(农作物):复杂基因组中大规模多态性发现的新方法。

DOI:
10.1371/journal.pone.0001172
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发表时间:
2007-11-14
期刊:
影响因子:
3.7
通讯作者:
van Eijk, Michiel J. T.
van Eijk, Michiel J. T.
中科院分区:
综合性期刊3区
文献类型:
--
作者:
van Orsouw, Nathalie J.;Hogers, Rene C. J.;Janssen, Antoine;Yalcin, Feyruz;Snoeijers, Sandor;Verstege, Esther;Schneiders, Harrie;van der Poel, Hein;van Oeveren, Jan;Verstegen, Harold;van Eijk, Michiel J. T.

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Application of single nucleotide polymorphisms (SNPs) is revolutionizing human bio-medical research. However, discovery of polymorphisms in low polymorphic species is still a challenging and costly endeavor, despite widespread availability of Sanger sequencing technology. We present CRoPS™ as a novel approach for polymorphism discovery by combining the power of reproducible genome complexity reduction of AFLP® with Genome Sequencer (GS) 20/GS FLX next-generation sequencing technology. With CRoPS, hundreds-of-thousands of sequence reads derived from complexity-reduced genome sequences of two or more samples are processed and mined for SNPs using a fully-automated bioinformatics pipeline. We show that over 75% of putative maize SNPs discovered using CRoPS are successfully converted to SNPWave® assays, confirming them to be true SNPs derived from unique (single-copy) genome sequences. By using CRoPS, polymorphism discovery will become affordable in organisms with high levels of repetitive DNA in the genome and/or low levels of polymorphism in the (breeding) germplasm without the need for prior sequence information.
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