ArticleInternational journal of molecular sciences2016
Use of Repetitive Sequences for Molecular and Cytogenetic Characterization of Avena Species from Portugal.
Article in International journal of molecular sciences, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Transposable element dynamics drive rapid evolution of centromere architecture in the Avena genus.Genome biology · 2026Article
- Participation of Wild Species GenusPlants (Basel, Switzerland) · 2025Article
- Genome Variability in Artificial Allopolyploid Hybrids ofInternational journal of molecular sciences · 2024Article
- Genome-wide expansion and reorganization during grass evolution: from 30 Mb chromosomes in rice and Brachypodium to 550 Mb in Avena.BMC plant biology · 2023Article
- The comparison of polymorphism among Avena species revealed by retrotransposon-based DNA markers and soluble carbohydrates in seeds.Journal of applied genetics · 2023Article
- Cytogenomics ofPlants (Basel, Switzerland) · 2021Article
- A universal karyotypic system for hexaploid and diploid Avena species brings oat cytogenetics into the genomics era.BMC plant biology · 2021Article
- Molecular cytogenetics of valuable Arctic and sub-Arctic pasture grass species from the Aveneae/Poeae tribe complex (Poaceae).BMC genetics · 2019Article
- 45S rDNA external transcribed spacer organization reveals new phylogenetic relationships in Avena genus.PloS one · 2017Article
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6 authors.
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Abstract
Genomic diversity of Portuguese accessions of Avena species--diploid A. strigosa and hexaploids A. sativa and A. sterilis--was evaluated through molecular and cytological analysis of 45S rDNA, and other repetitive sequences previously studied in cereal species--rye subtelomeric sequence (pSc200) and cereal centromeric sequence (CCS1). Additionally, retrotransposons and microsatellites targeting methodologies--IRAP (inter-retrotransposon amplified polymorphism) and REMAP (retrotransposon-microsatellite amplified polymorphism)--were performed. A very high homology was detected for ribosomal internal transcribed sequences (ITS1 and ITS2) between the species analyzed, although nucleolar organizing regions (NOR) fluorescent in situ hybridization (FISH) analysis revealed distinct number of Nor loci between diploid and hexaploid species. Moreover, morphological diversity, evidenced by FISH signals with different sizes, was observed between distinct accessions within each species. pSc200 sequences were for the first time isolated from Avena species but proven to be highly similar in all genotypes analyzed. The use of primers designed for CCS1 unraveled a sequence homologous to the Ty3/gypsy retrotransposon Cereba, that was mapped to centromeric regions of diploid and hexaploid species, being however restricted to the more related A and D haplomes. Retrotransposon-based methodologies disclosed species- and accessions-specific bands essential for the accurate discrimination of all genotypes studied. Centromeric, IRAP and REMAP profiles therefore allowed accurate assessment of inter and intraspecific variability, demonstrating the potential of these molecular markers on future oat breeding programs.
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