Armando Geraldes

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CONTACT INFORMATION

    Ecology and Evolutionary Biology
    333 Biosciences West
    1041 E. Lowell
    University of Arizona
    Tucson, AZ 85721
    Tel: (520) 626-4747
    FAX: (520) 621-9190
    E-mail: geraldes@email.arizona.edu

RESEARCH INTERESTS

    The ultimate goal of biology is to understand how variation at the genomic level translates into phenotypic variation within and between species. My current and past research aims at understanding how nucleotide variation is partitioned within and among species and how this partitioning is affected by genomic context and natural history. For my PhD I worked on the genetics of speciation in Oryctolagus cuniculus (European rabbit), by comparing patterns of introgression at different loci (namely, mtDNA, Y and X-linked loci) across a hybrid zone. For my post doctoral work I am taking a similar approach to understand the genetics of speciation in house mice. I am assembling a large polymorphism data set in three species of house mice (Mus domesticus, M. musculus and M. castaneus). We will use this data set to compare levels and patterns of polymorphism and divergence (i) at autosomal, X and Y-linked and mitochondrial loci and, (ii) in autosomal regions of the genome with significant differences in recombination rates.

PUBLICATIONS

Salcedo, T., Geraldes, A., and Nachman, M. W. 2007. Nucleotide variation in wild and inbred mice. Genetics, 177: 2277-2291.

Geraldes, A., Ferrand, N. and Nachman, M. W. 2006. Contrasting patterns of introgression at X-linked loci across the hybrid zone between subspecies of the European rabbit (Oryctolagus cuniculus). Genetics, 173: 919-933.

Geraldes, A. and Ferrand, N. 2006. A 7-bp insertion in the 3' untranslated region suggests the duplication and concerted evolution of the rabbit Sry gene. Genetics Selection and Evolution, 38: 313-320.

Geraldes, A., Rogel-Gaillard, C. and Ferrand, N. 2005. High levels of nucleotide diversity in the European rabbit (Oryctolagus cuniculus) SRY gene. Animal Genetics, 36: 349-351.

PRESENTATIONS

    Geraldes, A., Basset, P., Gibson, B., Smith, K.L., Nachman, M.W. Recent divergence with gene flow: the demography of speciation among three species of house mice. Society for Molecular Biology and Evolution meeting, Barcelona, Spain, June 2008. (Poster presentation)

    Geraldes, A., diPalma, F., Lindblad-Toh, K., Nachman, M.W., Ferrand, N. Rabbit genomics: from phenotypes to genotypes. 9th World Rabbit Congress, Verona, Italy, June 2008. (Poster presentation)

    Geraldes, A., Basset, P., Gibson, B. Smith, K. L., Nachman, M. W.. Gene genealogies among species of house mice (Mus spp.). SMBE, Dalhousie University, NS, Halifax, June 2007. (Poster presentation)

    Geraldes, A., Ferrand, N., Rambo, T., Wing, R., Nachman, M. W.. A mechanism for the preservation of males : extensive gene conversion drives the evolution of the Sry gene in european rabbits (Oryctolagus cuniculus). SMBE, Dalhousie University, NS, Halifax, June 2007. (Poster presentation)

    Geraldes, A., Ferrand, N., Nachman, M. W.. Contrasting patterns of introgression across a contact zone between subspecies of european rabbit (Oryctolagus cuniculus). SMBE, ASU, AZ, May 2006. (Oral presentation)

    Geraldes, A., Nachman, M. W., Ferrand, N.. Contrasting patterns of introgression at X-linked loci across the European rabbit hybrid zone. SMBE, State College, PA, June 2004. (Poster presentation)

    Geraldes, A. and Ferrand, N.. Evidence for two highly divergent Y chromosome lineages in rabbit (Oryctolagus cuniculus) populations from the Iberian Peninsula: implications for the evaluation of male-mediated gene flow. "Sex-specific genetic markers", University of Lausanne, La Sage, Switzerland. September 2002. (Oral presentation)

    Geraldes, A., Rogel-Gaillard, C., Piumi, F., Borgeuax, N., Ferrand, N.. Phylogeography of the rabbit (Oryctolagus cuniculus) Y chromosome in Southern Europe: evidence for two highly divergent lineages. SMBE,. Sorrento, Italy, June 2002. (Poster presentation)

    Geraldes, A., Rogel-Gaillard, C., Piumi, F., Borgeuax, N., Ferrand, N.. The European rabbit SRY gene. A useful marker for phylogeography?. Phylogeography in Southern European Refugia: Evolutionary perspectives on the origins and conservation of European biodiversity, Vairão, Portugal, March 2002. (Poster presentation)

EDUCATION

    2000 Universidade do Porto, Portugal. Biology degree

    2006 Universidade do Porto, Portugal. PhD