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Identification of COS Markers Specific for Thinopyrum Elongatum Chromosomes Preliminary Revealed High Level of Macrosyntenic Relationship Between the Wheat and Th. Elongatum Genomes

Overview
Journal PLoS One
Date 2018 Dec 13
PMID 30540828
Citations 8
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Abstract

Thinopyrum elongatum (Host) D.R. Dewey has served as an important gene source for wheat breeding improvement for many years. The exact characterization of its chromosomes is important for the detailed analysis of prebreeding materials produced with this species. The major aim of this study was to identify and characterize new molecular markers to be used for the rapid analysis of E genome chromatin in wheat background. Sixty of the 169 conserved orthologous set (COS) markers tested on diverse wheat-Th. elongatum disomic/ditelosomic addition lines were assigned to various Th. elongatum chromosomes and will be used for marker-assisted selection. The macrosyntenic relationship between the wheat and Th. elongatum genomes was investigated using EST sequences. Several rearrangements were revealed in homoeologous chromosome groups 2, 5, 6 and 7, while chromosomes 1 and 4 were conserved. Molecular cytogenetic and marker analysis showed the presence of rearranged chromosome involved in 6ES and 2EL arms in the 6E disomic addition line. The selected chromosome arm-specific COS markers will make it possible to identify gene introgressions in breeding programmes and will also be useful in the development of new chromosome-specific markers, evolutionary analysis and gene mapping.

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References
1.
Lukaszewski A . Physical distribution of translocation breakpoints in homoeologous recombinants induced by the absence of the Ph1 gene in wheat and triticale. Theor Appl Genet. 2013; 90(5):714-9. DOI: 10.1007/BF00222138. View

2.
Dvorak J, Edge M, Ross K . On the evolution of the adaptation of Lophopyrum elongatum to growth in saline environments. Proc Natl Acad Sci U S A. 1988; 85(11):3805-9. PMC: 280308. DOI: 10.1073/pnas.85.11.3805. View

3.
Mayer K, Martis M, Hedley P, Simkova H, Liu H, Morris J . Unlocking the barley genome by chromosomal and comparative genomics. Plant Cell. 2011; 23(4):1249-63. PMC: 3101540. DOI: 10.1105/tpc.110.082537. View

4.
Talbert L, Bruckner P, Smith L, Sears R, Martin T . Development of PCR markers linked to resistance to wheat streak mosaic virus in wheat. Theor Appl Genet. 2013; 93(3):463-7. DOI: 10.1007/BF00223191. View

5.
Xu G, Su W, Shu Y, Cong W, Wu L, Guo C . RAPD and ISSR-assisted identification and development of three new SCAR markers specific for the Thinopyrum elongatum E (Poaceae) genome. Genet Mol Res. 2012; 11(2):1741-51. DOI: 10.4238/2012.June.29.7. View