摘要: 随着环境基因组学及深度测序技术的发展,基于16S rRNA基因序列研究微生物种群结构取得了长足进展。然而,由于环境样本的复杂性,尤其缺少真实背景信息,定量研究环境微生物种群结构仍是当前的研究难点。测序算法仿真平台研究,不仅有助于定量、定性分析微生物种群组成及结构,而且有助于建立基准数据库来评价当前微生物数据分析算法。分别基于易错PCR误差模型和正态分布过程,模拟454测序仪乳液PCR过程及边合成边测序过程,提出454测序仪模拟测序算法 (Tsim) 。仿真结果表明:该模拟算法能较好地模拟454测序过程。
[1] Grice E A,Kong H H,Conlan S,et al.Topographical and temporal diversity of the human skin microbiome [J].Science,2009,324(5931):1190-1192 [2] 蒋德明,孙玉华,李丹,等.基于16S rRNA基因序列分析受砷和硫酸盐污染的土壤细菌多样性 [J].微生物学通报,2011,38(10):1592-1601 [3] Oakley B B,Fiedler T L,Marrazzo J M,et al.Diversity of human vaginal bacterial communities and associations with clinically defined bacterial vaginosis [J].Appl Environ Microbial,2008,74(15):4898-4909 [4] Kellenberger E.Exploring the unknown:The silent revolution of microbiology [J].Embo Rep,2001,2(1):5-7 [5] Margulies M,Egholm M,William E,et al.Genome sequencing in microfabricated high-density picolitre reactors [J].Nature,2005,437(7057):376-380 [6] 刘玮琦,茆振川,杨宇红,等.应用16S rRNA基因文库技术分析土壤细菌群落的多样性[J].微生物学报,2008,5(10):1344-1350 [7] Ley R E,Backhed F,Turnbaugh P,et al.Obesity alters gut microbial ecology [J].PNAS,2005,102:11070-11075 [8] 曹波,杨红,许强华,等.基于16S rRNA技术的长江口微生物分子生物学鉴定与分析 [J].上海大学学报,2011(2):191-197 [9] Benoit M R,Li W,Stodieck LS,et al.Microbial antibiotic production aboard the International Space Station [J].Appl Microbial Biotechnology,2006,70:403-411 [10] Richter D C,Ott F,Auch A F,et al.MetaSim-A Sequencing Simulator for Genomics and Metagenomics [J].PLoS ONE,2008,3(10):e3373 [11] Balzer S,Malde K,Lanzén A,et al.Characteristics of 454pyrosequencing data — enabling realistic simulation with flowsim [J].Bioinformatics,2010,26(18):i420-i425 [12] Lysholm F,Andersson B,Persson B.An efficient simulator of 454data using configurable statistical models [J].BMC Research Notes,2011,4:449 [13] Huang Wei-chun,Li Le-ping,Myers J R,et al.ART:a next-ge-neration sequencing read simulator [J].Bioinformatics,2012,28(4):593-594 [14] 宣黎明,韦朝春,李亦学.基于GPU运算的宏基因组第二代测序模拟软件 [J].华东理工大学学报,2012(4):472-476 [15] Huse S M,Welch D M,Morrison H G,et al.Ironing out the wrinkles in the rare biosphere through improved OTU clustering [J].Environ Microbial,2010,12(7):1889-1898 [16] Sharpton mail T J,Samantha,et al.PhylOTU:A High-Th-roughput Procedure Quantifies Microbial Community Diversity and Resolves Novel Taxa from Metagenomic Data [J].PLoS Comput Biol,2011,7(1):1-13 [17] Pritchard L,Corne D,Kell D,et al.A general model of error-prone PCR [J].J Theor Biol,2005,234(4):497-509 [18] Wang Q,Garrity G M,Tiedje J M,et al.Naive Bayesian classifier for rapid assignment of rRNA sequences into the new bacterial taxonomy [J].Appl Environ Microbiology,2007,73(16):5261-5267 |
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