ArticleAnnals of botany2011
Sporophytic self-incompatibility genes and mating system variation in Arabis alpina.
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 26 papers.
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Who cites it
26 citing papers in PubMed, 56 citations in OpenAlex.
- Using Runs of Homozygosity and Machine Learning to Disentangle Sources of Inbreeding and Infer Self-Fertilization Rates.Genome biology and evolution · 2024Article
- Adventitious rooting in response to long-term cold: a possible mechanism of clonal growth in alpine perennials.Frontiers in plant science · 2024Article
- Adaptation of perennial flowering phenology across the European range ofProceedings. Biological sciences · 2023Article
- Purging due to self-fertilization does not prevent accumulation of expansion load.PLoS genetics · 2023Article
- Ancestral self-compatibility facilitates the establishment of allopolyploids in Brassicaceae.Plant reproduction · 2023Review
- Article
- Arabis alpina: A perennial model plant for ecological genomics and life-history evolution.Molecular ecology resources · 2022Review
- A chromosome-level genome assembly of an alpine plant Crucihimalaya lasiocarpa provides insights into high-altitude adaptation.DNA research : an international journal for rapid publication of reports on genes and genomes · 2022Article
- Genomic Signatures of Sexual Selection on Pollen-Expressed Genes in Arabis alpina.Molecular biology and evolution · 2022Article
- Evolution of floral scent in relation to self-incompatibility and capacity for autonomous self-pollination in the perennial herb Arabis alpina.Annals of botany · 2021Article
- Genomic signatures of convergent adaptation to Alpine environments in three Brassicaceae species.Molecular ecology · 2020Article
- Natural Variation in Adventitious Rooting in the Alpine PerennialPlants (Basel, Switzerland) · 2020Article
- Self-compatibility in peach [Horticulture research · 2020Article
- Genome ofProceedings of the National Academy of Sciences of the United States of America · 2019Article
- Demography and mating system shape the genome-wide impact of purifying selection inProceedings of the National Academy of Sciences of the United States of America · 2018Article
- The Evolutionary Interplay between Adaptation and Self-Fertilization.Trends in genetics : TIG · 2017Review
- Field Guide to Plant Model Systems.Cell · 2016Review
- Article
- Validation of outlier loci through replication in independent data sets: a test on Arabis alpina.Ecology and evolution · 2014Article
- Robust self-incompatibility in the absence of a functional ARC1 gene in Arabidopsis thaliana.The Plant cell · 2014Review
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
Abstract
BACKGROUND AND
aimsSporophytic self-incompatibility (SI) prevents inbreeding in many members of the Brassicaceae, and has been well documented in a variety of high-profile species. Arabis alpina is currently being developed as a model system for studying the ecological genetics of arctic-alpine environments, and is the focus of numerous studies on population structure and alpine phylogeography. Although it is highly inbreeding throughout most of its range, populations in central Italy have been identified that show inbreeding coefficients (F(IS)) more typical of self-incompatible relatives. The purpose of this study was to establish whether this variation is due to a functioning SI system.
methodsOutcrossing rate estimates were calculated based on 16 allozyme loci and self-compatibility assessed based on controlled pollinations for six Italian populations that have previously been shown to vary in F(IS) values. Putative SRK alleles (the gene controlling the female component of SI in other Brassicaceae) amplified from A. alpina were compared with those published for other species. Linkage of putative SRK alleles and SI phenotypes was assessed using a diallel cross. KEY
resultsFunctional avoidance of inbreeding is demonstrated in three populations of A. alpina, corresponding with previous F(IS) values. The presence is described of 15 putative SRK-like alleles, which show high sequence identity to known alleles from Brassica and Arabidopsis and the high levels of synonymous and nonsynonymous variation typical of genes under balancing selection. Also, orthologues of two other members of the S-receptor kinase gene family, Aly8 (ARK3) and Aly9 (AtS1) are identified. Further to this, co-segregation between some of the putative S-alleles and compatibility phenotypes was demonstrated using a full-sibling cross design.
conclusionsThe results strongly suggest that, as with other species in the Brassicaceae, A. alpina has a sporophytic SI system but shows variation in the strength of SI within and between populations.
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