Genome sequencing of endosymbiotic bacterial Streptomyces sp. from Antartic lichen using Single Molecule Real-time Sequencing (SMRT) technology.

Author(s): Kim, Sujin and Shin, Seung-Chul and Park, Hyun and Lee, Jong-Eun

Along with the advent of next-generation sequencing (NGS) techniques, it has become possible to sequence a microbial genome very quickly with high coverage. Recently, PacificBioscience developed single molecule real-time sequencing (SMRT) technology, 3rd generation sequencing platform, which provide much longer (average read length: 1.5Kb) reads without PCR amplification. We did de novo sequencing of Streptomyces sp. using Illumina GAIIx, Roche 454 and PacBio RS system and compared the data. The endosymbiotic bacteria Streptomyces sp. PAMC 26508 was isolated from Antarctic lichen Psoroma sp. that grows attached rocks on Barton Peninsula, King George Island, Antarctica (62, 13’S, 58, 47’W). With 4 SMRT cells, we could get more than 15x coverage of corrected sequence data for de novo assembly. Comparing the performance of other sequencing platforms, PacBio platform could generate data on similar manner with general mid-level GC content organism. In conclusion, PacBio RS system, SMRT technology, shows better performance with high GC content organisms and is expected to be the new tool to improve the de novo sequencing and assembly.

Organization: DNA Link
Year: 2012

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