Skip the Alignment: Degenerate, Multiplex Primer and Probe Design Using K-mer Matching Instead of Alignments

被引:29
作者
Hysom, David A. [1 ]
Naraghi-Arani, Pejman [1 ]
Elsheikh, Maher [1 ]
Carrillo, A. Celena [1 ]
Williams, Peter L. [2 ]
Gardner, Shea N. [1 ]
机构
[1] Lawrence Livermore Natl Lab, Livermore, CA USA
[2] Lawrence Berkeley Natl Lab, Joint Genome Inst, Walnut Creek, CA USA
来源
PLOS ONE | 2012年 / 7卷 / 04期
关键词
SOFTWARE;
D O I
10.1371/journal.pone.0034560
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
PriMux is a new software package for selecting multiplex compatible, degenerate primers and probes to detect diverse targets such as viruses. It requires no multiple sequence alignment, instead applying k-mer algorithms, hence it scales well for large target sets and saves user effort from curating sequences into alignable groups. PriMux has the capability to predict degenerate primers as well as probes suitable for TaqMan or other primer/probe triplet assay formats, or simply probes for microarray or other single-oligo assay formats. PriMux employs suffix array methods for efficient calculations on oligos 10-similar to 100 nt in length. TaqMan (R) primers and probes for each segment of Rift Valley fever virus were designed using PriMux, and lab testing comparing signatures designed using PriMux versus those designed using traditional methods demonstrated equivalent or better sensitivity for the PriMux-designed signatures compared to traditional signatures. In addition, we used PriMux to design TaqMan (R) primers and probes for unalignable or poorly alignable groups of targets: that is, all segments of Rift Valley fever virus analyzed as a single target set of 198 sequences, or all 2863 Dengue virus genomes for all four serotypes available at the time of our analysis. The PriMux software is available as open source from http:/sourceforge.net/projects/PriMux.
引用
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页数:12
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