ArticleBMC genomics2013
Genomic basis of ecological niche divergence among cryptic sister species of non-biting midges.
Article in BMC genomics, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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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
8 citing papers in PubMed, 20 citations in OpenAlex.
- Revision of the comose flame moths of the genusZooKeys · 2026Article
- Alternative reproductive strategies in two cryptic species of the European earwig complex.Die Naturwissenschaften · 2025Article
- Article
- Genomic divergence landscape in recurrently hybridizingEvolution letters · 2021Article
- A High-Quality Genome Assembly from Short and Long Reads for the Non-biting MidgeG3 (Bethesda, Md.) · 2020Article
- The Globin Gene Family in Arthropods: Evolution and Functional Diversity.Frontiers in genetics · 2020Article
- Support for the evolutionary speed hypothesis from intraspecific population genetic data in the non-biting midge Chironomus riparius.Proceedings. Biological sciences · 2016Article
- Ecological genomics in Xanthomonas: the nature of genetic adaptation with homologous recombination and host shifts.BMC genomics · 2015Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThere is a lack of understanding the evolutionary forces driving niche segregation of closely related organisms. In addition, pinpointing the genes driving ecological divergence is a key goal in molecular ecology. Here, larval transcriptome sequences obtained by next-generation-sequencing are used to address these issues in a morphologically cryptic sister species pair of non-biting midges (Chironomus riparius and C. piger).
resultsMore than eight thousand orthologous open reading frames were screened for interspecific divergence and intraspecific polymorphisms. Despite a small mean sequence divergence of 1.53% between the sister species, 25.1% of 18,115 observed amino acid substitutions were inferred by α statistics to be driven by positive selection. Applying McDonald-Kreitman tests to 715 alignments of gene orthologues identified eleven (1.5%) genes driven by positive selection.
conclusionsThree candidate genes were identified as potentially responsible for the observed niche segregation concerning nitrite concentration, habitat temperature and water conductivity. Additionally, signs of positive selection in the hydrogen sulfide detoxification pathway were detected, providing a new plausible hypothesis for the species' ecological differentiation. Finally, a divergently selected, nuclear encoded mitochondrial ribosomal protein may contribute to reproductive isolation due to cytonuclear coevolution.
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