Now showing items 1-20 of 31

    • A cytogenetic analysis of reproduction in common shrews (Sorex araneus) from a karyotypic hybrid zone 

      Searle, J.B. (Mendelian Society of Lund, 1990-12)
      Sixteen pregnant female common shrews were collected near Oxford (U.K.) from a hybrid zone between two karyotypic races which differ by Robertsonian rearrangements. Some females were homozygotes and others were ‘simple’ ...
    • The hypothetical Old-Northern chromosome race of Sorex araneus found in the Ural Mts 

      Polyakov, A.V.; Borodin, P.M.; Luká?ová, L.; Searle, J.B.; Zima, J. (Finnish Zoological and Botanical Publishing Board, 1997)
      Chromosomes of two populations of the common shrew, Sorex araneus L. (Mammalia, Insectivora, Soricidae), from the northern Ural Mts. were investigated. In both sites, homozygous, all-metacentric autosomal complements were ...
    • House mice with metacentric chromosomes in the Middle East 

      Gündüz, I.; Tez, C.; Searle, J.B. (Wiley, 2000-10-30)
    • Pericentromeric organization at the fusion point of mouse Robertsonian translocation chromosomes 

      Garagna, Silvia; Marziliano, Nicola; Zuccotti, Maurizio; Searle, Jeremy B.; Capanna, Ernesto; Redi, Carlo Alberto (Proceedings of the National Academy of Sciences of the USA, 2001-01-02)
      In mammals, Robertsonian (Rb) translocation (the joining of two teloy acrocentric chromosomes at their centromere to form a metacentric) is the most effective process in chromosomal evolution leading to speciation; ...
    • A northern glacial refugium for bank voles (Clethrionomys glareolus) 

      Kotlík, Petr; Deffontaine, Valérie; Mascheretti, Silvia; Zima, Jan; Michaux, Johan R.; Searle, Jeremy B. (Proceedings of the National Academy of Sciences of the USA, 2006-10-03)
      There is controversy and uncertainty on how far north there were glacial refugia for temperate species during the Pleistocene glaciations and in the extent of the contribution of such refugia to present-day populations. ...
    • Staggered chromosomal hybrid zones in the house mouse: relevance to reticulate evolution and speciation 

      Gündüz, ?.; Pollock, C.L.; Giménez, M.D.; Förster, D.W.; White, T.A.; Sans-Fuentes, M.A.; Hauffe, H.C.; Ventura, J.; López-Fuster, M.J.; Searle, J.B. (Multidisciplinary Digital Publishing Insitute (MDPI), 2010-09)
      In the house mouse there are numerous chromosomal races distinguished by different combinations of metacentric chromosomes. These may come into contact with each other and with the ancestral all-acrocentric race, and form ...
    • Colonization, mouse-style 

      Gabriel, Sofia I; Jóhannesdóttir, Fríða; Jones, Eleanor P; Searle, Jeremy B. (BioMed Central, 2010-10-26)
      Several recent papers, including one in BMC Evolutionary Biology, examine the colonization history of house mice. As well as background for the analysis of mouse adaptation, such studies offer a perspective on the history ...
    • Of mice and ‘convicts’: origin of the Australian house mouse, Mus musculus 

      Gabriel, S.I.; Stevens, M.I.; Mathias, M.L.; Searle, J.B. (Public Library of Science (PLOS), 2011-12-12)
      The house mouse, Mus musculus, is one of the most ubiquitous invasive species worldwide and in Australia is particularly common and widespread, but where it originally came from is still unknown. Here we investigated this ...
    • Fellow travellers: A concordance of colonization patterns between mice and men in the North Atlantic region 

      Jones, E.P.; Skirnisson, K.; McGovern, T.H.; Gilbert, MTP; Willerslev, E.; Searle, Jeremy B. (BMC Evolutionary Biology, 2012-03-19)
      Background: House mice (Mus musculus) are commensals of humans and therefore their phylogeography can reflect human colonization and settlement patterns. Previous studies have linked the distribution of house mouse ...
    • Phenotypic variation across chromosomal hybrid zones of the common shrew (Sorex araneus) indicates reduced gene flow 

      Polly, P.D.; Polyakov, A.V.; Ilyashenko, V.B.; Onischenko, S.S.; White, T.A.; Shchipanov, N.A.; Bulatova, N.S.; Pavlova, S.V.; Borodin, P.M.; Searle, J.B. (Public Library of Science (PLOS), 2013-07-10)
      Sorex araneus, the Common shrew, is a species with more than 70 karyotypic races, many of which form parapatric hybrid zones, making it a model for studying chromosomal speciation. Hybrids between races have reduced fitness, ...
    • Genetic architecture of skewed X inactivation in the laboratory mouse 

      Calaway, J.D.; Lenarcic, A.B.; Didion, J.P.; Wang, J.R.; Searle, J.B.; McMillan, L.; Valdar, W.; Pardo-Manuel de Villena, F. (Public Library of Science (PLOS), 2013-10-03)
      X chromosome inactivation (XCI) is the mammalian mechanism of dosage compensation that balances X-linked gene expression between the sexes. Early during female development, each cell of the embryo proper independently ...
    • Divergent evolutionary processes associated with colonization of offshore islands 

      Martínková, Natália; Barnett, Ross; Cucchi, Thomas; Struchen, Rahel; Pascal, Marine; Pascal, Michel; Fischer, Martin C.; Higham, Thomas; Brace, Selina; Ho, Simon Y. W.; Quéré, Jean-Pierre; O'Higgins, Paul; Excoffier, Laurent; Heckel, Gerald; Hoelzel, A. Rus; Dobney, Keith M.; Searle, J.B. (Wiley, 2013-10-10)
      Oceanic islands have been a test ground for evolutionary theory, but here, we focus on the possibilities for evolutionary study created by offshore islands. These can be colonized through various means and by a wide range ...
    • Invading and expanding: range dynamics and ecological consequences of the greater white-toothed shrew (Crocidura russula) invasion in Ireland 

      McDevitt, A.D.; Montgomery, W.I.; Tosh, D.G.; Lusby, J; Reid, N.; White, T.A.; McDevitt, C.D.; O’Halloran, J.; Searle, J.B.; Yearsley, J.M. (Public Library of Science (PLOS), 2014-06-23)
      Establishing how invasive species impact upon pre-existing species is a fundamental question in ecology and conservation biology. The greater white-toothed shrew (Crocidura russula) is an invasive species in Ireland that ...
    • The Changing pace of Insular Life: 5000 Years of Microevolution in the Orkney Vole (microtus Arvalis Orcadensis) 

      Cucchi, T.; Barnett, R.; Martínková, N.; Renaud, S.; Renvoisé, E.; Evin, A.; Sheridan, A.; Mainland, I.; Wickham?Jones, C.; Tougard, C.; Quéré, J.P.; Pascal, M.; Pascal, M.; Heckel, G.; O'Higgins, P.; Searle, J.B.; Dobney, K.M. (Society for the Study of Evolution, 2014-06-23)
      Island evolution may be expected to involve fast initial morphological divergence followed by stasis. We tested this model using the dental phenotype of modern and ancient common voles (Microtus arvalis), introduced onto ...
    • Land-bridge calibration of molecular clocks and the post-glacial colonization of Scandinavia by the Eurasian field vole Microtus agrestis 

      Herman, J.S.; McDevitt, A.D.; Kawałko, A.; Jaarola, M.; Wójcik, J.M.; Searle, J.B. (Public Library of Science (PLOS), 2014-08-11)
      Phylogeography interprets molecular genetic variation in a spatial and temporal context. Molecular clocks are frequently used to calibrate phylogeographic analyses, however there is mounting evidence that molecular rates ...
    • Mapping 3' transcript ends in the bank vole (Clethrionomys glareolus) mitochondrial genome with RNA-Seq 

      Marková, S.; Filipi, K.; Searle, J.B.; Kotlík, P. (Springer Nature, 2015-10-26)
      Background: Although posttranscriptional modification of mitochondrial (mt) transcripts plays key roles in completion of the coding information and in the expression of mtDNA-encoded genes, there is little experimental ...
    • A voyage to Terra Australis: human-mediated dispersal of cats 

      Koch, K.; Algar, D.; Searle, J.B.; Pfenninger, M.; Schwenk, K. (BioMed Central, 2015-12-04)
      BACKGROUND: Cats have been transported as human commensals worldwide giving rise to many feral populations. In Australia, feral cats have caused decline and extinction of native mammals, but their time of introduction and ...
    • R2d2 Drives Selfish Sweeps in the House Mouse 

      Didion, John P.; Morgan, Andrew P.; Yadgary, Liran; Bell, Timothy A.; McMullan, Rachel C.; Ortiz de Solorzano, Lydia; Britton-Davidian, Janice; Bult, Carol J.; Campbell, Karl J.; Castiglia, Riccardo; Ching, Yung-Hao; Chunco, Amanda J.; Crowley, James J.; Chesler, Elissa J.; Förster, Daniel W.; French, John E.; Gabriel, Sofia I.; Gatti, Daniel M.; Garland, Theodore; Giagia-Athanasopoulou, Eva B.; Giménez, Mabel D.; Grize, Sofia A.; Gündüz, ?slam; Holmes, Andrew; Hauffe, Heidi C.; Herman, Jeremy S.; Holt, James M.; Hua, Kunjie; Jolley, Wesley J.; Lindholm, Anna K.; López-Fuster, María J.; Mitsainas, George; da Luz Mathias, Maria; McMillan, Leonard; da Graça Morgado Ramalhinho, Maria; Rehermann, Barbara; Rosshart, Stephan P.; Searle, J. B.; Shiao, Meng-Shin; Solano, Emanuela; Svenson, Karen L.; Thomas-Laemont, Patricia; Threadgill, David W.; Ventura, Jacint; Weinstock, George M.; Pomp, Daniel; Churchill, Gary A.; Pardo-Manuel de Villena, Fernando (Oxford University Press on behalf of the Society for Molecular Biology and Evolution, 2016-02-15)
      A selective sweep is the result of strong positive selection driving newly occurring or standing genetic variants to fixation, and can dramatically alter the pattern and distribution of allelic diversity in a population. ...
    • An Ecological and Evolutionary Framework for Commensalism in Anthropogenic Environments 

      Hulme-Beaman, A.; Dobney, K.; Cucchi, T.; Searle, J. B. (Elsevier, 2016-08)
      Commensalism within anthropogenic environments has not been extensively discussed, despite its impact on humans, and there is no formal framework for assessing this ecological relationship in its varied forms. Here, we ...