Linking karyotypes with DNA barcodes: proposal for a new standard in chromosomal analysis with an example based on the study of Neotropical Nymphalidae (Lepidoptera).

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2019
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Abstract
Chromosomal data are important for taxonomists, cytogeneticists and evolutionary biologists; however, the value of these data decreases sharply if they are obtained for individuals with inaccurate species identification or unclear species identity. To avoid this problem, here we suggest linking each karyotyped sample with its DNA barcode, photograph and precise geographic data, providing an opportunity for unambiguous identification of described taxa and for delimitation of undescribed species. Using this approach, we present new data on chromosome number diversity in neotropical butterflies of the subfamily Biblidinae (genus Kirby, 1871) and the tribe Ithomiini (genera Hübner, 1816, Hübner, 1816, Boisduval, 1870, Hübner, 1821, Bates, 1862, Godman et Salvin, 1879 and Godman et Salvin, 1879). Combining new and previously published data we show that the species complex (Hewitson, [1852]) includes three discrete chromosomal clusters (with haploid chromosome numbers n = 15, n = 22 and n = 30) and at least four DNA barcode clusters. Then we discuss how the incomplete connection between these chromosomal and molecular data (karyotypes and DNA barcodes were obtained for different sets of individuals) complicates the taxonomic interpretation of the discovered clusters.
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lukhtanov2019linkingcomparative Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Lukhtanov, Vladimir A;Iashenkova, Yaroslavna;
Journal comparative cytogenetics
Year 2019
DOI
10.3897/CompCytogen.v13i4.48368
URL
Keywords
dna barcoding meiosis karyotype peru biblidinae danainae ithomiini lepidoptera nymphalidae coi metaphase

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