Genetic variation in a freshwater prawn species,Palaemon paucidens,in South Korea |
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| Affiliation: | 1. Department of Eco-database Research, National Institute of Ecology, Seocheon, 325-813, Republic of Korea;2. Department of Science Education, Ewha Womans University, Seoul, 120-750, Republic of Korea;3. School of Biological Sciences, Seoul National University, Seoul, 151-742, Republic of Korea;1. National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 17 Palchevskogo St, Vladivostok 690041, Russia;2. Far Eastern Federal University, Sukhanova St, 8, Russky Island, Vladivostok 690091, Russia;1. National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 17 Palchevskogo St, Vladivostok 690041, Russia;2. Far Eastern Federal University, Sukhanova St, 8, Russky Island, Vladivostok 690091, Russia;3. Senckenberg Research Institute and Natural History Museum, Department Marine Zoology, Section Crustacea, Senckenberganlage 25, 60325 Frankfurt am Main, Germany;4. Institute for Ecology, Evolution and Diversity, Goethe-University of Frankfurt, FB 15, Max-von-Laue-Str. 13, 60439 Frankfurt am Main, Germany;1. OCEA Consult’, 236B Chemin Concession 97432 LA RAVINE DES CABRIS, Reunion Island, France;2. Fédération Départementale de Pêche de La Réunion, 208 Route de la Passerelle 97480 SAINT JOSEPH, Reunion Island, France;3. ENTROPIE, IRD, CNRS, Université de La Réunion, Laboratoire d’Excellence CORAIL, SAINTE CLOTIDE Cedex, Reunion Island, France;4. Museum National d’Histoire Naturelle, Station Marine de Dinard - CRESCO, 38 rue du Port Blanc 35800 DINARD, France;1. Department of Botany, Faculty of Science, Jamia Hamdard (Hamdard University), New Delhi 110062 (India);2. Institute of Soil, Water and Environmental Sciences, Volcani Center, Bet Dagan 50250 (Israel);3. Department of Pharmacognosy, Faculty of Pharmacy, Jamia Hamdard (Hamdard University), New Delhi 110062 (India);1. Jiangsu Key Laboratory for Bioresources of Saline Soils, Yancheng Teachers University, Yancheng 224051, PR China;2. Jiangsu Synthetic Innovation Center for Coastal Bio-agriculture, Yancheng Teachers University, Yancheng 224051, PR China;3. Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, Yancheng Teachers University, Yancheng 224051, PR China;4. School of Ocean and Biological Engineering, Yancheng Teachers University, Yancheng 224051, PR China;1. Research and Planning Division, National Science Museum, Daejeon, 305-705, Korea;2. Natural History Museum, Ewha Womans University, Seoul, 120-150, Korea |
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| Abstract: | The biogeography of freshwater biota in the Korean Peninsula has been affected by recent geological processes and anthropogenic activity. The freshwater prawn, Palaemon paucidens, can serve as a non-fish model organism suitable for assessing these factors, as it is found in all river systems in the Korean Peninsula and may have been introduced by humans in some regions. In this study, we investigated the geographical distribution of genetic variation and the genetic structure of P. paucidens populations using mitochondrial DNA sequences and genotypes identified from four microsatellite loci. Our results showed that populations from westward-flowing river systems that drain into the Yellow Sea have more genetic diversity than those from southward-flowing river systems, and that the highest genetic variance revealed by analysis of molecular variance (AMOVA) using both genetic markers was observed in river systems grouped as HAN + GEUM, NAKDONG + JEJU, YOUNGSAN, and SEOMJIN. These results suggest that HAN and GEUM, in which freshwater prawn populations have higher levels of genetic diversity, were the most recently isolated river systems from Asian continental systems. Therefore, populations from HAN and GEUM experienced less severe bottlenecks than those from YOUNGSAN and SEOMJIN. |
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| Keywords: | Mitochondrial DNA Microsatellites Genetic structure Korea |
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