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The only representatives of Emballonuridae in the Neotropics are Diclidurini from the subfamily Emballonurinae. In this tribe, karyotype comparison based on G-banding patterns has revealed extensive chromosomal divergence. Here, we… Click to show full abstract
The only representatives of Emballonuridae in the Neotropics are Diclidurini from the subfamily Emballonurinae. In this tribe, karyotype comparison based on G-banding patterns has revealed extensive chromosomal divergence. Here, we present for the first time a detailed karyotype analysis of a Diclidurini species, Saccopteryx bilineata (SBI), by G-banding and cross-species fluorescence in-situ hybridization (FISH) with Myotis myotis (Vespertilionidae) painting probes. The 25 evolutionarily conserved units (ECUs) ancestral to all Chiroptera were found as 37 segments on the 2n = 26 SBI karyotype. Comparison with the karyotype of another Emballonuridae (Emballonura monticola) from South-East Asia revealed a single common derived segment combination, MMY3+MMY22i, pointing to a fast karyotype evolution in Emballonurinae.
Journal Title: Acta Chiropterologica
Year Published: 2020
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