I Agnarsson

Summary

Publications

  1. doi request reprint Shark tales: a molecular species-level phylogeny of sharks (Selachimorpha, Chondrichthyes)
    Ximena Velez-Zuazo
    Department of Biology, University of Puerto Rico Rio Piedras UPRRP, San Juan, PR 00931 3360, PR, USA
    Mol Phylogenet Evol 58:207-17. 2011
  2. pmc Loss of genetic variability in social spiders: genetic and phylogenetic consequences of population subdivision and inbreeding
    I Agnarsson
    Department of Biology, University of Vermont, Burlington, VT, USA
    J Evol Biol 26:27-37. 2013
  3. pmc Phylogeography of a successful aerial disperser: the golden orb spider Nephila on Indian Ocean islands
    Matjaz Kuntner
    Institute of Biology, Scientific Research Centre, Slovenian Academy of Sciences and Arts, Ljubljana, Slovenia
    BMC Evol Biol 11:119. 2011
  4. doi request reprint Complete separation along matrilines in a social spider metapopulation inferred from hypervariable mitochondrial DNA region
    I Agnarsson
    Institute of Biology, Scientific Research Centre of the Slovenian Academy of Sciences and Arts, Novi trg 2, PO Box 306, SI 1001 Ljubljana, Slovenia
    Mol Ecol 19:3052-63. 2010
  5. doi request reprint Spider silk aging: initial improvement in a high performance material followed by slow degradation
    Ingi Agnarsson
    Department of Biology and Integrated Bioscience Program, The University of Akron, Akron, Ohio 44325 3908, USA
    J Exp Zool A Ecol Genet Physiol 309:494-504. 2008
  6. doi request reprint The phylogeny of Cetartiodactyla: the importance of dense taxon sampling, missing data, and the remarkable promise of cytochrome b to provide reliable species-level phylogenies
    Ingi Agnarsson
    Department of Biology, University of Akron, Akron, OH 44325 3908, USA
    Mol Phylogenet Evol 48:964-85. 2008
  7. pmc Bioprospecting finds the toughest biological material: extraordinary silk from a giant riverine orb spider
    Ingi Agnarsson
    Department of Biology, Faculty of Natural Sciences, University of Puerto Rico, San Juan, Puerto Rico
    PLoS ONE 5:e11234. 2010
  8. ncbi request reprint Taxonomy in a changing world: seeking solutions for a science in crisis
    Ingi Agnarsson
    Department of Zoology, University of British Columbia, 2370 6270 University Boulevard, Vancouver, BC, Canada
    Syst Biol 56:531-9. 2007
  9. doi request reprint Habitat patch size and isolation as predictors of occupancy and number of argyrodine spider kleptoparasites in Nephila webs
    Ingi Agnarsson
    Department of Biology, University of Puerto Rico Rio Piedras, San Juan, Puerto Rico, PR 00931 3360, USA
    Naturwissenschaften 98:163-7. 2011
  10. doi request reprint Dogs, cats, and kin: a molecular species-level phylogeny of Carnivora
    Ingi Agnarsson
    Biology Department, University of Puerto Rico Rio Piedras, San Juan, PR 00931, Puerto Rico
    Mol Phylogenet Evol 54:726-45. 2010

Detail Information

Publications23

  1. doi request reprint Shark tales: a molecular species-level phylogeny of sharks (Selachimorpha, Chondrichthyes)
    Ximena Velez-Zuazo
    Department of Biology, University of Puerto Rico Rio Piedras UPRRP, San Juan, PR 00931 3360, PR, USA
    Mol Phylogenet Evol 58:207-17. 2011
    ..In sum, our results offer the most detailed species-level phylogeny of sharks to date and a tool for comparative analyses...
  2. pmc Loss of genetic variability in social spiders: genetic and phylogenetic consequences of population subdivision and inbreeding
    I Agnarsson
    Department of Biology, University of Vermont, Burlington, VT, USA
    J Evol Biol 26:27-37. 2013
    ..Inbreeding and loss of genetic variability may thus limit diversification in social Anelosimus lineages and similarly pose a threat to many wild populations subject to habitat fragmentation or reduced population sizes...
  3. pmc Phylogeography of a successful aerial disperser: the golden orb spider Nephila on Indian Ocean islands
    Matjaz Kuntner
    Institute of Biology, Scientific Research Centre, Slovenian Academy of Sciences and Arts, Ljubljana, Slovenia
    BMC Evol Biol 11:119. 2011
    ..We employed Bayesian and parsimony methods to reconstruct phylogenies and haplotype networks, respectively, and calculated genetic distances, fixation indices, and estimated clade ages under a relaxed clock model...
  4. doi request reprint Complete separation along matrilines in a social spider metapopulation inferred from hypervariable mitochondrial DNA region
    I Agnarsson
    Institute of Biology, Scientific Research Centre of the Slovenian Academy of Sciences and Arts, Novi trg 2, PO Box 306, SI 1001 Ljubljana, Slovenia
    Mol Ecol 19:3052-63. 2010
    ..Genetic diversity is thus preserved to some extent at the metapopulation level...
  5. doi request reprint Spider silk aging: initial improvement in a high performance material followed by slow degradation
    Ingi Agnarsson
    Department of Biology and Integrated Bioscience Program, The University of Akron, Akron, Ohio 44325 3908, USA
    J Exp Zool A Ecol Genet Physiol 309:494-504. 2008
    ..However, our findings suggest an initial improvement in mechanical performance and that even old spider silk still retains impressive mechanical performance...
  6. doi request reprint The phylogeny of Cetartiodactyla: the importance of dense taxon sampling, missing data, and the remarkable promise of cytochrome b to provide reliable species-level phylogenies
    Ingi Agnarsson
    Department of Biology, University of Akron, Akron, OH 44325 3908, USA
    Mol Phylogenet Evol 48:964-85. 2008
    ..Therefore, an opportunity exists now to reconstruct detailed phylogenies of most of the major mammalian clades to rapidly provide much needed tools for species-level comparative studies...
  7. pmc Bioprospecting finds the toughest biological material: extraordinary silk from a giant riverine orb spider
    Ingi Agnarsson
    Department of Biology, Faculty of Natural Sciences, University of Puerto Rico, San Juan, Puerto Rico
    PLoS ONE 5:e11234. 2010
    ..Are we limited to 'blindly fishing' in efforts to discover extraordinary silks? Or, could scientists use ecology to predict which species are likely to spin silks exhibiting exceptional performance properties?..
  8. ncbi request reprint Taxonomy in a changing world: seeking solutions for a science in crisis
    Ingi Agnarsson
    Department of Zoology, University of British Columbia, 2370 6270 University Boulevard, Vancouver, BC, Canada
    Syst Biol 56:531-9. 2007
  9. doi request reprint Habitat patch size and isolation as predictors of occupancy and number of argyrodine spider kleptoparasites in Nephila webs
    Ingi Agnarsson
    Department of Biology, University of Puerto Rico Rio Piedras, San Juan, Puerto Rico, PR 00931 3360, USA
    Naturwissenschaften 98:163-7. 2011
    ..Hence, patch occupancy and inhabitant abundance is explained by a rather complex interplay between patch size and isolation...
  10. doi request reprint Dogs, cats, and kin: a molecular species-level phylogeny of Carnivora
    Ingi Agnarsson
    Biology Department, University of Puerto Rico Rio Piedras, San Juan, PR 00931, Puerto Rico
    Mol Phylogenet Evol 54:726-45. 2010
    ....
  11. doi request reprint Behavioural and biomaterial coevolution in spider orb webs
    A Sensenig
    Department of Biology and Integrated Bioscience Program, University of Akron, OH 44325 3908, USA
    J Evol Biol 23:1839-56. 2010
    ....
  12. ncbi request reprint Are the linnean and phylogenetic nomenclatural systems combinable? Recommendations for biological nomenclature
    Matjaz Kuntner
    Institute of Biology, Scientific Research Centre of the Slovenian Academy of Sciences and Arts, Ljubljana, Slovenia
    Syst Biol 55:774-84. 2006
    ..5) In contrast, species monophyly should not be required, because theory predicts that many species are not monophyletic. (6) It should be stressed that equal ranks do not imply comparable evolutionary histories...
  13. doi request reprint Evolutionary breakdown of pollination specialization in a Caribbean plant radiation
    Silvana Martén-Rodríguez
    Escuela de Biologia, Universidad de Costa Rica, San Pedro, San Jose, Costa Rica
    New Phytol 188:403-17. 2010
    ..Results suggest that pollinator depauperate faunas on islands select for the evolution of reproductive assurance mechanisms, including generalization and autogamy...
  14. ncbi request reprint The phylogeny of the social Anelosimus spiders (Araneae: Theridiidae) inferred from six molecular loci and morphology
    Ingi Agnarsson
    The University of British Columbia, Department of Zoology, Vancouver, BC, Canada
    Mol Phylogenet Evol 43:833-51. 2007
    ....
  15. doi request reprint Spider silk as a novel high performance biomimetic muscle driven by humidity
    Ingi Agnarsson
    Department of Biology, The University of Akron, Akron, OH 44325, USA
    J Exp Biol 212:1990-4. 2009
    ....
  16. doi request reprint How super is supercontraction? Persistent versus cyclic responses to humidity in spider dragline silk
    Todd A Blackledge
    Department of Biology, University of Akron, Akron, OH 44325, USA
    J Exp Biol 212:1981-9. 2009
    ..For example, dragline silk emerges as a model for a biomimetic muscle, the contraction of which is precisely controlled by humidity alone...
  17. doi request reprint Supercontraction forces in spider dragline silk depend on hydration rate
    Ingi Agnarsson
    Department of Biology, Integrated Bioscience Program, University of Akron, Akron, OH 44325 3908, USA
    Zoology (Jena) 112:325-31. 2009
    ..Ultimately, rate-dependent supercontraction may provide a mechanism to tailor the properties of silk or biomimetic fibers for various applications...
  18. pmc Reconstructing web evolution and spider diversification in the molecular era
    Todd A Blackledge
    Department of Biology and Integrated Bioscience Program, University of Akron, Akron, OH 44325 3908, USA
    Proc Natl Acad Sci U S A 106:5229-34. 2009
    ..These behavioral shifts in silk and web production by spiders thus likely played a key role in the dramatic evolutionary success and ecological dominance of spiders as predators of insects...
  19. ncbi request reprint Altitudinal patterns of spider sociality and the biology of a new midelevation social Anelosimus species in Ecuador
    Leticia Avilés
    Department of Zoology, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
    Am Nat 170:783-92. 2007
    ..We refer to these as the "maternal survival" and "prey size" hypotheses, respectively, and suggest that both in combination may explain the geographical distribution of sociality in the genus...
  20. ncbi request reprint Sociality in theridiid spiders: repeated origins of an evolutionary dead end
    Ingi Agnarsson
    Department of Zoology, University of British Columbia, 2370 6270 University Boulevard, Vancouver, British Columbia V6T 1Z4, Canada
    Evolution 60:2342-51. 2006
    ....
  21. ncbi request reprint Cytochrome b and Bayesian inference of whale phylogeny
    Laura May-Collado
    Department of Biological Sciences, Florida International University, 11200 SW 8th Street, Miami, 33199, USA
    Mol Phylogenet Evol 38:344-54. 2006
    ..They furthermore suggest that dense taxon sampling, like dense character sampling, can overcome problems in phylogenetic reconstruction...
  22. ncbi request reprint From a comb to a tree: phylogenetic relationships of the comb-footed spiders (Araneae, Theridiidae) inferred from nuclear and mitochondrial genes
    Miquel A Arnedo
    Division of Insect Biology, ESPM, 201 Wellman Hall, University of California Berkeley, Berkeley, CA 94720 3112, USA
    Mol Phylogenet Evol 31:225-45. 2004
    ..However, the interrelationships of these clades are sensitive to data perturbations and changes in the analysis assumptions...
  23. pmc Phylogenetic review of tonal sound production in whales in relation to sociality
    Laura J May-Collado
    Florida International University, Department of Biological Sciences, 11200 SW 8th Street, Miami, FL 33199, USA
    BMC Evol Biol 7:136. 2007
    ..Here we summarize data from over 300 studies on cetacean tonal sounds and social structure and phylogenetically test existing hypotheses on their co-evolution...