ArticleAnnals of botany2013
The evolutionary history of sea barley (Hordeum marinum) revealed by comparative physical mapping of repetitive DNA.
Article in Annals of botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 22 citations in OpenAlex.
- Exploring WildPlants (Basel, Switzerland) · 2023Article
- The genome and gene editing system of sea barleygrass provide a novel platform for cereal domestication and stress tolerance studies.Plant communications · 2022Article
- The Genomics of Plant Satellite DNA.Progress in molecular and subcellular biology · 2021Review
- Phylogenetic analysis of two single-copy nuclear genes revealed origin of tetraploid barley Hordeum marinum.PloS one · 2020Article
- Molecular Cytogenetics ofBioMed research international · 2018Article
- On the allopolyploid origin and genome structure of the closely related species Hordeum secalinum and Hordeum capense inferred by molecular karyotyping.Annals of botany · 2017Article
- Collinearity of homoeologous group 3 chromosomes in the genus Hordeum and Secale cereale as revealed by 3H-derived FISH analysis.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2016Article
- Chromosomal organization of repetitive DNAs inComparative cytogenetics · 2016Article
- Species-Level Phylogeny and Polyploid Relationships in Hordeum (Poaceae) Inferred by Next-Generation Sequencing and In Silico Cloning of Multiple Nuclear Loci.Systematic biology · 2015Article
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5 authors at 1 institution in 1 country.
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Abstract
BACKGROUND AND
aimsHordeum marinum is a species complex that includes the diploid subspecies marinum and both diploid and tetraploid forms of gussoneanum. Their relationships, the rank of the taxa and the origin of the polyploid forms remain points of debate. The present work reports a comparative karyotype analysis of six H. marinum accessions representing all taxa and cytotypes.
methodsKaryotypes were determined by analysing the chromosomal distribution of several tandemly repeated sequences, including the Triticeae cloned probes pTa71, pTa794, pAs1 and pSc119·2 and the simple sequence repeats (SSRs) (AG)10, (AAC)5, (AAG)5, (ACT)5 and (ATC)5. KEY
resultsThe identification of each chromosome pair in all subspecies and cytotypes is reported for the first time. Homologous relationships are also established. Wide karyotypic differences were detected within marinum accessions. Specific chromosomal markers characterized and differentiated the genomes of marinum and diploid gussoneanum. Two subgenomes were detected in the tetraploids. One of these had the same chromosome complement as diploid gussoneanum; the second subgenome, although similar to the chromosome complement of diploid H. marinum sensu lato, appeared to have no counterpart in the marinum accessions analysed here.
conclusionsThe tetraploid forms of gussoneanum appear to have come about through a cross between a diploid gussoneanum progenitor and a second, related-but unidentified-diploid ancestor. The results reveal the genome structure of the different H. marinum taxa and demonstrate the allopolyploid origin of the tetraploid forms of gussoneanum.
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