ArticlePloS one2014
Genetics of cryptic speciation within an Arctic mustard, Draba nivalis.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
7 citing papers in PubMed, 29 citations in OpenAlex.
- The Ecology of Hybrid Incompatibilities.Cold Spring Harbor perspectives in biology · 2024Review
- Mating system and speciation I: Accumulation of genetic incompatibilities in allopatry.PLoS genetics · 2022Article
- Rapid evolution of post-zygotic reproductive isolation is widespread in Arctic plant lineages.Annals of botany · 2022Article
- The genome of Draba nivalis shows signatures of adaptation to the extreme environmental stresses of the Arctic.Molecular ecology resources · 2021Article
- The importance of intrinsic postzygotic barriers throughout the speciation process.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Review
- Determining levels of cryptic diversity within the endemic frog genera, Indirana and Walkerana, of the Western Ghats, India.PloS one · 2020Article
- Divergence and isolation of cryptic sympatric taxa within the annual legume Amphicarpaea bracteata.Ecology and evolution · 2016Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Crossing experiments indicate that hybrid sterility barriers frequently have developed within diploid, circumpolar plant species of the genus Draba. To gain insight into the rapid evolution of postzygotic reproductive isolation in this system, we augmented the linkage map of one of these species, D. nivalis, and searched for quantitative trait loci (QTLs) associated with reproductive isolation. The map adds 63 new dominant markers to a previously published dataset of 31 co-dominant microsatellites. These markers include 52 amplified fragment length polymorphisms (AFLPs) and 11 sequence-specific amplified polymorphisms (SSAPs) based on retrotransposon sequence. 22 markers displaying transmission ratio distortion were further included in the map. We resolved eight linkage groups with a total map length of 894 cM. Significant genotype-trait associations, or quantitative trait loci (QTL), were detected for reproductive phenotypes including pollen fertility (4 QTLs), seed set (3 QTLs), flowering time (3 QTLs) and number of flowers (4 QTLs). Observed patterns of inheritance were consistent with the influence of both nuclear-nuclear interactions and chromosomal changes on these traits. All seed set QTLs and one pollen fertility QTL displayed underdominant effects suggestive of the involvement of chromosomal rearrangements in hybrid sterility. Interestingly, D. nivalis is predominantly self-fertilizing, which may facilitate the establishment of underdominant loci and contribute to reproductive isolation.
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