Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 533930
Title De Novo Assembly of a New Solanum pennellii Accession Using Nanopore Sequencing
Author(s) Schmidt, Maximilian H.W.; Vogel, Alexander; Denton, Alisandra K.; Istace, Benjamin; Wormit, Alexandra; Geest, H.C. van de; Bolger, Marie E.; Alseekh, Saleh; Mass, Janina; Pfaff, Christian; Schurr, Ulrich; Chetelat, Roger; Maumus, Florian; Aury, Jean-Mary; Koren, Sergey; Fernie, Alisdair Robert; Zamir, Dani; Bolger, Anthony; Usadel, Björn
Source The Plant Cell 29 (2017)10. - ISSN 1040-4651 - p. 2336 - 2348.
DOI https://doi.org/10.1105/tpc.17.00521
Department(s) PRI BIOS Applied Bioinformatics
Publication type Refereed Article in a scientific journal
Publication year 2017
Abstract Updates in nanopore technology have made it possible to obtain gigabases of sequence data. Prior to this, nanopore sequencing technology was mainly used to analyze microbial samples. Here, we describe the generation of a comprehensive nanopore sequencing data set with a median read length of 11,979 bp for a self-compatible accession of the wild tomato species Solanum pennellii. We describe the assembly of its genome to a contig N50 of 2.5 MB. The assembly pipeline comprised initial read correction with Canu and assembly with SMARTdenovo. The resulting raw nanopore-based de novo genome is structurally highly similar to that of the reference S. pennellii LA716 accession but has a high error rate and was rich in homopolymer deletions. After polishing the assembly with Illumina reads, we obtained an error rate of <0.02% when assessed versus the same Illumina data. We obtained a gene completeness of 96.53%, slightly surpassing that of the reference S. pennellii. Taken together, our data indicate that such long read sequencing data can be used to affordably sequence and assemble gigabase-sized plant genomes.
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