Are Differences in Genomic Data Sets due to True Biological Variants or Errors in Genome Assembly: An Example from Two Chloroplast Genomes

doi:10.1371/journal.pone.0118019

	Are Differences in Genomic Data Sets due to True Biological Variants or Errors in Genome Assembly: An Example from Two Chloroplast Genomes
	Wu, Zhiqiang ; Tembrock, Luke R.; Ge, Song
	2015
发表期刊	PLOS ONE
ISSN	1932-6203
卷号	10 期号:2
摘要	DNA sequencing has been revolutionized by the development of high-throughput sequencing technologies. Plummeting costs and the massive throughput capacities of second and third generation sequencing platforms have transformed many fields of biological research. Concurrently, new data processing pipelines made rapid de novo genome assemblies possible. However, high quality data are critically important for all investigations in the genomic era. We used chloroplast genomes of one Oryza species (O. australiensis) to compare differences in sequence quality: one genome (GU592209) was obtained through Illumina sequencing and reference-guided assembly and the other genome (KJ830774) was obtained via target enrichment libraries and shotgun sequencing. Based on the whole genome alignment, GU592209 was more similar to the reference genome (O. sativa: AY522330) with 99.2% sequence identity (SI value) compared with the 98.8% SI values in the KJ830774 genome; whereas the opposite result was obtained when the SI values in coding and noncoding regions of GU592209 and KJ830774 were compared. Additionally, the junctions of two single copies and repeat copies in the chloroplast genome exhibited differences. Phylogenetic analyses were conducted using these sequences, and the different data sets yielded dissimilar topologies: phylogenetic replacements of the two individuals were remarkably different based on whole genome sequencing or SNP data and insertions and deletions (indels) data. Thus, we concluded that the genomic composition of GU592209 was heterogeneous in coding and non-coding regions. These findings should impel biologists to carefully consider the quality of sequencing and assembly when working with next-generation data.
学科领域	Multidisciplinary Sciences
DOI	10.1371/journal.pone.0118019
收录类别	SCI
语种	英语
WOS关键词	PHYLOGENETIC ANALYSIS ; GENE ORGANIZATION ; DNA ; SEQUENCE ; INDELS ; DIVERSIFICATION ; IDENTIFICATION ; TRANSFORMATION ; CHALLENGES ; EVOLUTION
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000349444900251
出版者	PUBLIC LIBRARY SCIENCE
文献子类	Article
出版地	SAN FRANCISCO
资助机构	National Natural Science Foundation of China [30990240]
作者邮箱	wu.zhiqiang.1020@gmail.com
作品OA属性	Green Published, Green Submitted, gold
引用统计	被引频次：43[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/26022
专题	系统与进化植物学国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing, Peoples R China 2.Wu, Zhiqiang; Tembrock, Luke R.] Colorado State Univ, Dept Biol, Ft Collins, CO 80523 USA
推荐引用方式 GB/T 7714	Wu, Zhiqiang,Tembrock, Luke R.,Ge, Song. Are Differences in Genomic Data Sets due to True Biological Variants or Errors in Genome Assembly: An Example from Two Chloroplast Genomes[J]. PLOS ONE,2015,10(2).
APA	Wu, Zhiqiang,Tembrock, Luke R.,&Ge, Song.(2015).Are Differences in Genomic Data Sets due to True Biological Variants or Errors in Genome Assembly: An Example from Two Chloroplast Genomes.PLOS ONE,10(2).
MLA	Wu, Zhiqiang,et al."Are Differences in Genomic Data Sets due to True Biological Variants or Errors in Genome Assembly: An Example from Two Chloroplast Genomes".PLOS ONE 10.2(2015).

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