ArticleAnnals of botany2011
Alien introgression in the grasses Lolium perenne (perennial ryegrass) and Festuca pratensis (meadow fescue): the development of seven monosomic substitution lines and their molecular and cytological characterization.
Article in Annals of botany, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed.
- Cytogenetic Study and Pollen Viability ofPlants (Basel, Switzerland) · 2023Article
- Chromosome behavior during meiosis in pollen mother cells from Saccharum officinarum × Erianthus arundinaceus FBMC plant biology · 2021Article
- Development and use of chromosome segment substitution lines as a genetic resource for crop improvement.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Review
- Root imaging showing comparisons in root distribution and ontogeny in novelFood and energy security · 2018Article
- Characterization of chromosome composition of sugarcane in nobilization by using genomic in situ hybridization.Molecular cytogenetics · 2018Article
- Article
- Fluorescence chromosome banding and FISH mapping in perennial ryegrass, Lolium perenne L.BMC genomics · 2016Article
- Genome-dependent chromosome dynamics in three successive generations of the allotetraploid Festuca pratensis × Lolium perenne hybrid.Protoplasma · 2015Article
- Comparative transcriptome analysis within the Lolium/Festuca species complex reveals high sequence conservation.BMC genomics · 2015Article
- Characterization of Chromosome Inheritance of the Intergeneric BC2 and BC3 Progeny between Saccharum spp. and Erianthus arundinaceus.PloS one · 2015Article
- Fructan synthesis, accumulation, and polymer traits. I. Festulolium chromosome substitution lines.Frontiers in plant science · 2015Article
- Delivering sustainable crop protection systems via the seed: exploiting natural constitutive and inducible defence pathways.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2014Review
- Article
- The perennial ryegrass GenomeZipper: targeted use of genome resources for comparative grass genomics.Plant physiology · 2013Article
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9 authors.
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Abstract
BACKGROUND AND
aimsTo address the issues associated with food security, environmental change and bioenergy in the context of crop plants, the production, identification and evaluation of novel plant phenotypes is fundamental. One of the major routes to this end will be wide hybridization and introgression breeding. The transfer of chromosomes and chromosome segments between related species (chromosome engineering or alien introgression) also provides an important resource for determining the genetic control of target traits. However, the realization of the full potential of chromosome engineering has previously been hampered by the inability to identify and characterize interspecific introgressions accurately.
methodsSeven monosomic substitution lines have been generated comprising Festuca pratensis as the donor species and Lolium perenne as the recipient. Each of the seven lines has a different L. perenne chromosome replaced by the homoeologous F. pratensis chromosome (13 L. perenne + 1 F. pratensis chromosome). Molecular markers and genomic in situ hybridization (GISH) were used to assign the F. pratensis chromosomes introgressed in each of the monosomic substitutions to a specific linkage group. Cytological observations were also carried out on metaphase I of meiosis in each of the substitution lines.
resultsA significant level of synteny was found at the macro-level between L. perenne and F. pratensis. The observations at metaphase I revealed the presence of a low level of interspecific chromosomal translocations between these species. DISCUSSION: The isolation of the seven monosomic substitution lines provides a resource for dissecting the genetic control of important traits and for gene isolation. Parallels between the L. perenne/F. pratensis system and the Pooideae cereals such as wheat, barley, rye, oats and the model grass Brachypodium distachyon present opportunities for a comparison across the species in terms of genotype and phenotype.
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