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Compensatory base changes illuminate morphologically difficult taxonomy |
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| Authors: | Michael W Ruhl Matthias Wolf Tracie M Jenkins |
| Institution: | 1. University of Georgia, Griffin Campus, Department of Entomology, Griffin, GA 30223, USA;2. Department of Bioinformatics, Biocenter, University of Würzburg, Am Hubland, D-97074 Würzburg, Germany;1. Marine College, Shandong University at Weihai, Weihai 264209, China;2. State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China;1. Department of Molecular Biology and Genetics, Faculty of Science, Cumhuriyet University, Sivas 58140, Turkey;2. Department of Biology, Faculty of Science, Cumhuriyet University, Sivas 58140, Turkey;3. Vocational School of Health Services, Cumhuriyet University, Sivas 58140, Turkey;1. Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China;2. Zoology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia |
| Abstract: | Compensatory base changes (CBCs) in the ribosomal RNA (rRNA) internal transcribed spacer 2 (ITS2) secondary structures have been used to successfully verify the taxonomy of closely related species. CBCs have never been used to distinguish morphologically indistinct species. Under the hypothesis that CBCs will differentiate species in higher eukaryotes, novel software for CBC analysis was applied to morphologically indistinguishable insect species in the genus Altica. The analysis was species-specific for sympatric Altica beetles collected across four ecoregions and concordant with scanning electron microscopy data. This research shows that mining for CBCs in ITS2 rRNA secondary structures is an effective method for eukaryotic taxon analysis. |
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