Citation: M. Mascher (2014-07-25): Supporting material for the article 'A sequence-ready physical map of barley anchored genetically by two million SNPs'. DOI:10.5447/ipk/2013/1

Abstract: Barley (Hordeum vulgare L.) is an important cereal crop and a model species for Triticeae genomics. To lay the foundation for hierarchical map-based sequencing, a genome-wide physical map of its large and complex 5.1 billion base pair genome was constructed by high-information content fingerprinting of almost 600,000 bacterial artificial chromosomes (BACs) representing 14x haploid genome coverage. The resultant physical map comprises 9,265 contigs with a cumulative size of 4.9 Gb representing 96 % of the physical length of the barley genome. The reliability of the map was verified through extensive genetic marker information and the analysis of topological networks of clone overlaps. A minimum tiling path of 66,772 minimally overlapping clones was defined that will serve as template for hierarchical clone-by-clone map-based shotgun sequencing. We integrated whole-genome shotgun sequence (WGS) data from the individuals of two mapping populations with published BAC survey sequence information to genetically anchor the physical map. This novel approach in combination with the comprehensive WGS datasets allowed us to independently validate and improve a previously reported physical and genetic framework. The resources developed in this study will underpin fine-mapping and cloning of agronomically important genes and the assembly of a draft genome sequence.

License: GNU GENERAL PUBLIC LICENSE Version 2, June 1991

DOI: 10.5447/ipk/2013/1

Content: 0 Directories 1 Files (7.3 MB)

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Metadata
CONTRIBUTOR:
Martin Mascher, Uwe Scholz, Nils Stein [Show full information]
CREATOR:
Martin Mascher [Show full information]
PUBLISHER: e!DAL - Plant Genomics and Phenomics Research Data Repository (PGP), IPK Gatersleben, Seeland OT Gatersleben, Corrensstraße 3, D-06466, Germany
SIZE: 7.3 MB
SUBJECT: Hordeum vulgare, physical map, genetic mapping, minimum tiling path, map-based cloning
COVERAGE: none
DATE: Event: event
UPDATED: TimePoint: Fri Jul 25 10:05:40 CEST 2014
CREATED: TimePoint: Fri Nov 08 10:05:35 CET 2013
LANGUAGE: en
RELATION: none
SOURCE: none
Revision: 2 - CreationDate: Fri Jul 25 10:05:34 CEST 2014 - RevisionDate: Fri Jul 25 10:05:40 CEST 2014