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Plant J. 1998 Jun;14(5):633-42.

A YAC contig map of Arabidopsis thaliana chromosome 3.

Author information

1
Laboratoire de Biologie Cellulaire, INRA, Versailles, France.

Abstract

We have constructed a YAC contig map of Arabidopsis thaliana chromosome 3. From an estimated total size of 25 Mb, about 21 Mb were covered by 148 clones arranged into nine YAC contigs, which represented most of the low-copy regions of the chromosome. YAC clones were anchored with 259 molecular markers, including 111 for which linkage information was previously available. Most of the genetic map was included in the YAC coverage, and more than 60% of the genetic markers from the reference recombinant inbred line map were anchored, giving a high level of integration between the genetic and physical maps. The submetacentric structure of the chromosome was confirmed by physical data; 3R (the top arm of the linkage map) was about 12 Mb, and 3L (the bottom arm of the linkage map) was about 9 Mb. This YAC physical map will aid in chromosome walking experiments and provide a framework for large-scale DNA sequencing of chromosome 3.

PMID:
9675906
[Indexed for MEDLINE]
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