AFLP markers in the detection of Scirpus × mariqueter (CYPERACEAE) hybrid in China |
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| Institution: | 1. Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Institute of Biodiversity Science, Fudan University, Shanghai 200433, PR China;2. State Key Laboratory of Genetic Engineering, Fudan University, Shanghai 200433, PR China;1. Research Group Plant Biology and Nature Management, Vrije Universiteit Brussel (VUB), Pleinlaan 2, B-1050 Brussels, Belgium;2. Wetland and Marine Section, Centre for Biodiversity Department, National Museums of Kenya, P.O. Box 40658-00100, Nairobi, Kenya;3. Department of Biological Sciences, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa;1. College of Geography and Environmental Science, Northwest Normal University, Lanzhou, 730070, China;2. College of Geography and Environmental Science, Northwest Normal University, Research Center of Wetland Resources Protection and Industrial Development Engineering of Gansu Province, Lanzhou, 730070, China;1. School of the Environment, University of Technology, 123 Broadway, Sydney, NSW 2007, Australia;2. Greenward Consulting, Perth, WA, Australia;1. Environment Institute and School of Biological Sciences, The University of Adelaide, North Terrace, Adelaide, SA 5005, Australia;2. Department of Environmental Sciences, University of Virginia, VA, USA;3. State Herbarium of South Australia, Department of Environment, Water and Natural Resources, PO Box 1047, Adelaide, SA 5001, Australia |
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| Abstract: | Scirpus × mariqueter Tang & F.T. Wang (CYPERACEAE) is a pioneer plant of the tidal zone of estuaries of East Asia. Amplified fragment length polymorphisms (AFLP) were used to infer the relationship between S. × mariqueter and its putative progenitors, Scirpus planiculmis F. Schmidt and Scirpus triqueter L. The genetic distance between S. × mariqueter and S. triqueter was much higher than that between S. × mariqueter and S. planiculmis, and samples of S. × mariqueter and those of S. planiculmis did not form a monophyletic group, while the S. triqueter group formed a distinct monophyletic group. However, we also detected an apparent clustering of individuals of S. × mariqueter and S. planiculmis separately. Our results disprove the hybrid origin of S. × mariqueter and rather suggest that it is more closely related to S. planiculmis. |
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