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Fig. 2 | BMC Evolutionary Biology

Fig. 2

From: Karyotype differentiation in 19 species of river loach fishes (Nemacheilidae, Teleostei): extensive variability associated with rDNA and heterochromatin distribution and its phylogenetic and ecological interpretation

Fig. 2

Phylogenetic relationships and karyotype characteristics of inspected nemacheilids. 2n, karyotype characteristics, FN, 45S and 5S rDNA patterns are plotted onto phylogenetic tree obtained by Bayesian analysis based on the mitochondrial (cytochrome b) and nuclear (RAG1, IRBP) genes. Idiograms represent partial karyotypes with chromosomes bearing 45S rDNA (red signals) and 5S rDNA (green signals). Polymorphic rDNA sites are in brackets. Note higher numbers of 5S rDNA sites in the majority of endemic species (whose taxonomic names are in bold italics). Note: in P. elongata, only the karyotype version from one individual is presented, to avoid confusion due to the high number and variability of rDNA sites in this species

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BMC Ecology and Evolution

ISSN: 2730-7182

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