Direct chloroplast sequencing: comparison of sequencing platforms and analysis tools for whole chloroplast barcoding.
Web of Science
AuthorBrozynska, M; Furtado, A; Henry, RJ
Source TitlePLoS One
PublisherPublic Library of Science (PLoS)
University of Melbourne Author/sBROZYNSKA, MARTA
AffiliationSchool of BioSciences
Document TypeJournal Article
CitationsBrozynska, M., Furtado, A. & Henry, R. J. (2014). Direct chloroplast sequencing: comparison of sequencing platforms and analysis tools for whole chloroplast barcoding.. PLoS One, 9 (10), pp.e110387-. https://doi.org/10.1371/journal.pone.0110387.
Access StatusOpen Access
Open Access at PMChttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC4201551
Direct sequencing of total plant DNA using next generation sequencing technologies generates a whole chloroplast genome sequence that has the potential to provide a barcode for use in plant and food identification. Advances in DNA sequencing platforms may make this an attractive approach for routine plant identification. The HiSeq (Illumina) and Ion Torrent (Life Technology) sequencing platforms were used to sequence total DNA from rice to identify polymorphisms in the whole chloroplast genome sequence of a wild rice plant relative to cultivated rice (cv. Nipponbare). Consensus chloroplast sequences were produced by mapping sequence reads to the reference rice chloroplast genome or by de novo assembly and mapping of the resulting contigs to the reference sequence. A total of 122 polymorphisms (SNPs and indels) between the wild and cultivated rice chloroplasts were predicted by these different sequencing and analysis methods. Of these, a total of 102 polymorphisms including 90 SNPs were predicted by both platforms. Indels were more variable with different sequencing methods, with almost all discrepancies found in homopolymers. The Ion Torrent platform gave no apparent false SNP but was less reliable for indels. The methods should be suitable for routine barcoding using appropriate combinations of sequencing platform and data analysis.
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