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Extensive sequencing of seven human genomes to characterize benchmark reference materials.

ABSTRACT: The Genome in a Bottle Consortium, hosted by the National Institute of Standards and Technology (NIST) is creating reference materials and data for human genome sequencing, as well as methods for genome comparison and benchmarking. Here, we describe a large, diverse set of sequencing data for seven human genomes; five are current or candidate NIST Reference Materials. The pilot genome, NA12878, has been released as NIST RM 8398. We also describe data from two Personal Genome Project trios, one of Ashkenazim Jewish ancestry and one of Chinese ancestry. The data come from 12 technologies: BioNano Genomics, Complete Genomics paired-end and LFR, Ion Proton exome, Oxford Nanopore, Pacific Biosciences, SOLiD, 10X Genomics GemCode WGS, and Illumina exome and WGS paired-end, mate-pair, and synthetic long reads. Cell lines, DNA, and data from these individuals are publicly available. Therefore, we expect these data to be useful for revealing novel information about the human genome and improving sequencing technologies, SNP, indel, and structural variant calling, and de novo assembly.

SUBMITTER: Zook JM

PROVIDER: S-EPMC4896128 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature

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Extensive sequencing of seven human genomes to characterize benchmark reference materials.

Zook Justin M JM Catoe David D McDaniel Jennifer J Vang Lindsay L Spies Noah N Sidow Arend A Weng Ziming Z Liu Yuling Y Mason Christopher E CE Alexander Noah N Henaff Elizabeth E McIntyre Alexa B R AB Chandramohan Dhruva D Chen Feng F Jaeger Erich E Moshrefi Ali A Pham Khoa K Stedman William W Liang Tiffany T Saghbini Michael M Dzakula Zeljko Z Hastie Alex A Cao Han H Deikus Gintaras G Schadt Eric E Sebra Robert R Bashir Ali A Truty Rebecca M RM Chang Christopher C CC Gulbahce Natali N Zhao Keyan K Ghosh Srinka S Hyland Fiona F Fu Yutao Y Chaisson Mark M Xiao Chunlin C Trow Jonathan J Sherry Stephen T ST Zaranek Alexander W AW Ball Madeleine M Bobe Jason J Estep Preston P Church George M GM Marks Patrick P Kyriazopoulou-Panagiotopoulou Sofia S Zheng Grace X Y GX Schnall-Levin Michael M Ordonez Heather S HS Mudivarti Patrice A PA Giorda Kristina K Sheng Ying Y Rypdal Karoline Bjarnesdatter KB Salit Marc M

Scientific data 20160607

The Genome in a Bottle Consortium, hosted by the National Institute of Standards and Technology (NIST) is creating reference materials and data for human genome sequencing, as well as methods for genome comparison and benchmarking. Here, we describe a large, diverse set of sequencing data for seven human genomes; five are current or candidate NIST Reference Materials. The pilot genome, NA12878, has been released as NIST RM 8398. We also describe data from two Personal Genome Project trios, one o ...[more]

PMID: 27271295

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Project description:BackgroundThe marine diatoms Thalassiosira pseudonana and Phaeodactylum tricornutum are valuable model organisms for exploring the evolution, diversity and ecology of this important algal group. Their reference genomes, published in 2004 and 2008, respectively, were the product of traditional Sanger sequencing. In the case of T. pseudonana, optical restriction site mapping was employed to further clarify and contextualize chromosome-level scaffolds. While both genomes are considered highly accurate and reasonably contiguous, they still contain many unresolved regions and unordered/unlinked scaffolds.ResultsWe have used Oxford Nanopore Technologies long-read sequencing to update and validate the quality and contiguity of the T. pseudonana and P. tricornutum genomes. Fine-scale assessment of our long-read derived genome assemblies allowed us to resolve previously uncertain genomic regions, further characterize complex structural variation, and re-evaluate the repetitive DNA content of both genomes. We also identified 1862 previously undescribed genes in T. pseudonana. In P. tricornutum, we used transposable element detection software to identify 33 novel copia-type LTR-RT insertions, indicating ongoing activity and rapid expansion of this superfamily as the organism continues to be maintained in culture. Finally, Bionano optical mapping of P. tricornutum chromosomes was combined with long-read sequence data to explore the potential of long-read sequencing and optical mapping for resolving haplotypes.ConclusionDespite its potential to yield highly contiguous scaffolds, long-read sequencing is not a panacea. Even for relatively small nuclear genomes such as those investigated herein, repetitive DNA sequences cause problems for current genome assembly algorithms. Determining whether a long-read derived genomic assembly is 'better' than one produced using traditional sequence data is not straightforward. Our revised reference genomes for P. tricornutum and T. pseudonana nevertheless provide additional insight into the structure and evolution of both genomes, thereby providing a more robust foundation for future diatom research.

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Extensive sequencing of seven human genomes to characterize benchmark reference materials.

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Extensive sequencing of seven human genomes to characterize benchmark reference materials.

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