Population studies on pyrenean troglobitic beetles: Local genetic differentiation and microgeographic variations in natural populations |
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| Affiliation: | 1. Department of Women''s and Children''s Health, Uppsala University, Uppsala, 75185, Sweden;2. University of Rio de Janeiro State, Souza Marques School of Medicine, Pediatric Urodynamic Unit, Rio de Janeiro, Brazil;3. Yale New Haven Children''s Bladder and Continence Program, Yale-New Haven Hospital, New Haven, CT, 06520, USA;4. Department of Urology, Shiga University of Medical Science, Seta Tsukinowa-Cho, Otsu, Shiga, 520-2192, Japan;5. Michigan State University, Department of Pediatric Urology, Children''s Hospital of Michigan, 3901 Beaubien Blvd, Detroit, MI, 48201, USA;6. Department of Medical Psychology and Social Work, Urology, Wilhelmina Children''s Hospital, University Medical Center Utrecht, PO Box 85090, Utrecht, 3508 AB, The Netherlands;7. Department of Pediatric Nephrology, Ghent University Hospital, C. Heymanslaan 10, Gent, 9000, Belgium;8. Hacettepe University, Department of Pediatric Urology, Ankara, Turkey;9. Department of Urology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi University, New Taipei, Taiwan;10. Department of Pediatrics, Skejby Sygehus, Aarhus University Hospital, Aarhus N, 8200, Denmark;1. Heilongjiang Provincial Key Laboratory of CO2 Resource Utilization and Energy Catalytic Materials, School of Material Science and Chemical Engineering, Harbin University of Science and Technology, Harbin, Heilongjiang, 150080, China;2. Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588, United States;3. Department of Materials Science & Engineering, City University of Hong Kong, Kowloon, Hong Kong, China;1. Department of Oral and Maxillofacial Surgery/Pathology, VU University Medical Center and Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands;2. Department of Maxillofacial Surgery, University of Turin, Turin, Italy;3. Department of Maxillofacial Surgery, University Hospital Dubrava, Zagreb, Croatia;4. Maxillofacial Department, UKC Ljubljana, Slovenia;5. Clinic of Maxillofacial Surgery, School of Dentistry, University of Belgrade, Serbia;6. Department of Oral and Maxillofacial Surgery, Royal London Hospital, Barts Health NHS, London, UK;7. Department of Maxillo-facial Surgery, Medical University, Plovdiv, Bulgaria;8. Department for Oral and Maxillo-facial Surgery, Bogomolets National Medical University, Kiev, Ukraine;9. Department of Maxillofacial Surgery, Oslo University Hospital, Oslo, Norway;10. Service de Stomatologie et Chirurgie Maxillo-faciale, Chu de Nantes, France;11. Department of Maxillofacial Surgery, University of Bergen, Bergen, Norway;12. Department of Oral and Maxillofacial Surgery, NHS Tayside, University of Dundee, Dundee, UK;13. Department of Maxillofacial Surgery, Stomatology Clinic, Tartu University, Tartu, Estonia |
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| Abstract: | Electromorphic variation of seventeen enzyme loci in four populations of a troglobitic coleoptera S. hydrophilus has been studied using polyacrylamide and starch gel electrophoresis. Our examination of geographically proximate populations has provided evidence for substantial local intraspecific differentiation. Three highly polymorphic loci display the highest level of allelic differentiation. The most divergent cave population, Espiougue G.30, presents some rare electrophoretic variants. The observed heterogeneities in the allele frequencies are not necessarily correlated with geographic distance. Several hypotheses are put forward and examined in relation with habitat (S.U.C. and cave) and biology of troglobitic animals. These observations suggest that genic divergences are not the consequence of populations of small size or of selection at the microecological level, but presumably partly correlated with restricted gene flow in relation with structural barriers. |
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