Chloroplast DNA microsatellite analysis supports a polyphyletic origin for barley

Chloroplast DNA microsatellite analysis supports a polyphyletic origin for barley

Five barley chloroplast DNA microsatellites (cpSSRs) were used to study genetic relationships among a set of 186 barley accessions-34 Hordeum vulgare ssp. spontaneum (HS accessions) from Morocco, Ethiopia, Cyprus, Crete, Libya, Iraq, Iran, Turkey, Afghanistan and Israel, 122 H. vulgare ssp. vulgare...

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Bibliographic Details
Published in:Theoretical and applied genetics Vol. 110; no. 4; pp. 613 - 619
Main Authors: Molina-Cano, J.L, Russell, J.R, Moralejo, M.A, Escacena, J.L, Arias, G, Powell, W
Format: Journal Article
Language:English
Published: Heidelberg Springer 01-02-2005
Berlin Springer Nature B.V
Subjects:
alleles
alleles per locus
Biological and medical sciences
center of origin
chloroplast DNA
Classical genetics, quantitative genetics, hybrids
Cluster analysis
Crops, Agricultural
Cultivars
DNA, Chloroplast
DNA, Plant
Fundamental and applied biological sciences. Psychology
genetic polymorphism
Genetics of eukaryotes. Biological and molecular evolution
Haplotypes
Hordeum - classification
Hordeum - genetics
Hordeum vulgare
Hordeum vulgare subsp. spontaneum
Hordeum vulgare subsp. vulgare
landraces
loci
Microsatellite Repeats
Phylogeny
Pteridophyta, spermatophyta
spring barley
Vegetals
wild relatives
Mediterranean region
Europe
Ethiopia
Origin
Monocotyledones
Hordeum vulgare
Gramineae
Analysis
Microsatellite DNA
Angiospermae
Chloroplast DNA
Genetics
Spermatophyta
Agriculture
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Summary:Five barley chloroplast DNA microsatellites (cpSSRs) were used to study genetic relationships among a set of 186 barley accessions-34 Hordeum vulgare ssp. spontaneum (HS accessions) from Morocco, Ethiopia, Cyprus, Crete, Libya, Iraq, Iran, Turkey, Afghanistan and Israel, 122 H. vulgare ssp. vulgare landraces (HV landraces) from Spain, Bolivia (old Spanish introductions), Morocco, Libya and Ethiopia and 20 modern European spring barleys (HV cultivars). All loci were polymorphic in the material studied, with the number of alleles per locus ranging from two to three. Fifteen multi-locus haplotypes were observed, 11 in HS accessions and seven in HV landraces and cultivars. Of the seven haplotypes found in the HV lines, three were shared with the HS accessions, and four were unique. Cluster analysis revealed two main groups, one consisting of HS accessions from Ethiopia and the HV landraces from Spain, Bolivia (old Spanish), Morocco and Ethiopia, whereas the other larger group contained all of the other accessions studied. Based on these grouping and the existence of haplotypes found in the HV landraces and cultivars but not in the HS wild barley, a polyphyletic origin is proposed for barley, with further centres of origin in Ethiopia and the Western Mediterranean.
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ISSN:0040-5752
1432-2242
DOI:10.1007/s00122-004-1878-3