Population Genetics and Speciation in the Plant Genus Silene (section Elisanthe)

435 39 752 10 1095 document 752 Harper09PhD.pdf application/pdf 09c35d0c4244b7ebe9ade5d6a6f533d3 MD5 2155837 2011-07-19 16:15:38 http://etheses.bham.ac.uk//id/eprint/435/1/Harper09PhD.pdf 435 1 1 application/pdf application/pdf en public

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http://eprints.org/relation/isVersionOf http://etheses.bham.ac.uk/id/document/752 http://eprints.org/relation/isVolatileVersionOf http://etheses.bham.ac.uk/id/document/752 http://eprints.org/relation/isIndexCodesVersionOf http://etheses.bham.ac.uk/id/document/752 archive 4031 disk0/00/00/04/35 2010-01-26 14:35:13 2019-01-23 09:52:09 2011-07-19 16:15:38 thesis show 0 Harper Andrea Louise andrea.harper@bbsrc.ac.uk Armstrong Susan J. Filatov Dmitry A. University of Birmingham Population Genetics and Speciation in the Plant Genus Silene (section Elisanthe) unpub QH426 QH301 10col_life This thesis is concerned with speciation and population genetics in the plant genus Silene (section Elisanthe). The introductory chapter is a literature review covering characteristics of the species studied, and the current literature on their evolutionary dynamics and population genetics. The second and third chapters cover techniques used in all experiments, such as DNA extraction, sequencing and genotyping protocols, and explain the rationale behind the initial experimental design. The fourth chapter focuses on the multi-locus analysis of autosomal gene sequences from S. latifolia and S. dioica. The relationship between the two species was investigated using various analyses such as isolation modeling and admixture analysis providing estimates of evolutionary distance and extent of historical gene flow. The maintenance of the species despite frequent hybridization at present-day hybrid zones is discussed. The fifth chapter discusses S. diclinis, a rare endemic found only in Valencia, Spain. The nature of population structuring and the evolutionary history of this species were investigated using a multilocus approach incorporating individuals from S. diclinis populations. The causes of the restricted distribution and low population size of this species is discussed The concluding chapter discusses how the species evolved from a common ancestor amidst changing climatic and environmental conditions. 2010-07 2009 graduation eng author checked This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder. public 248 University of Birmingham School of Biosciences d_ph bbsrc 2010-07 graduation