ArticlePloS one2015
Implications of hybridization, NUMTs, and overlooked diversity for DNA Barcoding of Eurasian ground squirrels.
Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Accurate Identification of Key Groups of Microeukaryotes Using Multimodal Deep Learning: An Integrated Classification Model Combining Morphological and Molecular Data.Molecular ecology resources · 2026Article
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- Phylogenetic Relationship Between Two Squirrel Species, Callosciurus pygerythrus and Funambulus pennantii, Inferred From Mitochondrial Cytochrome b Gene Sequences.Veterinary medicine and science · 2025Article
- Surrounded by Kindred:Biology · 2023Article
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- DNA barcoding of Austrian snow scorpionflies (Mecoptera, Boreidae) reveals potential cryptic diversity inPeerJ · 2021Article
- Singleton molecular species delimitation based on COI-5P barcode sequences revealed high cryptic/undescribed diversity for Chinese katydids (Orthoptera: Tettigoniidae).BMC evolutionary biology · 2019Article
- Impacts of late Quaternary environmental change on the long-tailed ground squirrel (Zoological research · 2018Article
- Species affiliation of the complete mitochondrial genome of Daurian ground squirrelMitochondrial DNA. Part B, Resources · 2017Article
- Chimeric mitochondrial peptides from contiguous regular and swinger RNA.Computational and structural biotechnology journal · 2016Article
- Correction: implications of hybridization, NUMTs, and overlooked diversity for DNA barcoding of eurasian ground squirrels.PloS one · 2015Article
Corrections and comments
- Erratum issued
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The utility of DNA Barcoding for species identification and discovery has catalyzed a concerted effort to build the global reference library; however, many animal groups of economical or conservational importance remain poorly represented. This study aims to contribute DNA barcode records for all ground squirrel species (Xerinae, Sciuridae, Rodentia) inhabiting Eurasia and to test efficiency of this approach for species discrimination. Cytochrome c oxidase subunit 1 (COI) gene sequences were obtained for 97 individuals representing 16 ground squirrel species of which 12 were correctly identified. Taxonomic allocation of some specimens within four species was complicated by geographically restricted mtDNA introgression. Exclusion of individuals with introgressed mtDNA allowed reaching a 91.6% identification success rate. Significant COI divergence (3.5-4.4%) was observed within the most widespread ground squirrel species (Spermophilus erythrogenys, S. pygmaeus, S. suslicus, Urocitellus undulatus), suggesting the presence of cryptic species. A single putative NUMT (nuclear mitochondrial pseudogene) sequence was recovered during molecular analysis; mitochondrial COI from this sample was amplified following re-extraction of DNA. Our data show high discrimination ability of 100 bp COI fragments for Eurasian ground squirrels (84.3%) with no incorrect assessments, underscoring the potential utility of the existing reference librariy for the development of diagnostic 'mini-barcodes'.
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