Karin S Pfennig

Summary

Affiliation: University of North Carolina
Country: USA

Publications

  1. doi request reprint A suite of molecular markers for identifying species, detecting introgression and describing population structure in spadefoot toads (Spea spp.)
    Karin S Pfennig
    Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
    Mol Ecol Resour 12:909-17. 2012
  2. pmc Asymmetric reproductive character displacement in male aggregation behaviour
    Karin S Pfennig
    Department of Biology, University of North Carolina, CB no 3280, Coker Hall, Chapel Hill, NC 27599 3280, USA
    Proc Biol Sci 278:2348-54. 2011
  3. pmc Relaxed genetic constraint is ancestral to the evolution of phenotypic plasticity
    Aaron R Leichty
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599 3280, USA
    Integr Comp Biol 52:16-30. 2012
  4. pmc Diet alters species recognition in juvenile toads
    Karin S Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599 3280, USA
    Biol Lett 9:20130599. 2013
  5. ncbi request reprint Differential selection to avoid hybridization in two toad species
    Karin S Pfennig
    Section of Integrative Biology, University of Texas, Austin 78712, USA
    Evolution 56:1840-8. 2002
  6. pmc Character displacement: ecological and reproductive responses to a common evolutionary problem
    Karin S Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599 3280, USA
    Q Rev Biol 84:253-76. 2009
  7. pmc Reproductive character displacement generates reproductive isolation among conspecific populations: an artificial neural network study
    Karin S Pfennig
    Department of Biology, University of North Carolina, CB 3280 Chapel Hill, NC 27599, USA
    Proc Biol Sci 273:1361-8. 2006
  8. ncbi request reprint A test of alternative hypotheses for the evolution of reproductive isolation between spadefoot toads: support for the reinforcement hypothesis
    Karin S Pfennig
    Section of Integrative Biology, University of Texas, Austin, Texas 78712, USA
    Evolution 57:2842-51. 2003
  9. pmc Character displacement and the evolution of mate choice: an artificial neural network approach
    Karin S Pfennig
    Section of Integrative Biology, University of Texas, C0390, Austin, TX 78712, USA
    Philos Trans R Soc Lond B Biol Sci 362:411-9. 2007
  10. ncbi request reprint Character displacement as the "best of a bad situation": fitness trade-offs resulting from selection to minimize resource and mate competition
    Karin S Pfennig
    Department of Biology, CB 3280, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Evolution 59:2200-8. 2005

Detail Information

Publications16

  1. doi request reprint A suite of molecular markers for identifying species, detecting introgression and describing population structure in spadefoot toads (Spea spp.)
    Karin S Pfennig
    Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
    Mol Ecol Resour 12:909-17. 2012
    ..Moreover, those markers that show variation within each species can be used in conjunction with existing molecular markers in studies of population structure and gene flow...
  2. pmc Asymmetric reproductive character displacement in male aggregation behaviour
    Karin S Pfennig
    Department of Biology, University of North Carolina, CB no 3280, Coker Hall, Chapel Hill, NC 27599 3280, USA
    Proc Biol Sci 278:2348-54. 2011
    ..Such clustering can generate spatial or temporal segregation of reproductive activities among species and ultimately promote reproductive isolation...
  3. pmc Relaxed genetic constraint is ancestral to the evolution of phenotypic plasticity
    Aaron R Leichty
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599 3280, USA
    Integr Comp Biol 52:16-30. 2012
    ..Thus, relaxed genetic constraint may be a cause--not a consequence--of the evolution of phenotypic plasticity, and thereby contribute to the evolution of novel traits...
  4. pmc Diet alters species recognition in juvenile toads
    Karin S Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599 3280, USA
    Biol Lett 9:20130599. 2013
    ..Evaluating such effects is important for understanding variation in hybridization between species and the nature of species boundaries. ..
  5. ncbi request reprint Differential selection to avoid hybridization in two toad species
    Karin S Pfennig
    Section of Integrative Biology, University of Texas, Austin 78712, USA
    Evolution 56:1840-8. 2002
    ..bombifrons females that hybridize with S. multiplicata if their breeding pond is highly ephemeral. Generally, the strength of selection to avoid hybridization may differ for hybridizing species, possibly impeding reinforcement...
  6. pmc Character displacement: ecological and reproductive responses to a common evolutionary problem
    Karin S Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599 3280, USA
    Q Rev Biol 84:253-76. 2009
    ..In short, understanding how organisms respond to competitive and reproductive interactions with heterospecifics offers key insights into the evolutionary causes and consequences of species coexistence and diversification...
  7. pmc Reproductive character displacement generates reproductive isolation among conspecific populations: an artificial neural network study
    Karin S Pfennig
    Department of Biology, University of North Carolina, CB 3280 Chapel Hill, NC 27599, USA
    Proc Biol Sci 273:1361-8. 2006
    ..Thus, reproductive character displacement may promote reproductive isolation and, ultimately, speciation among conspecific populations...
  8. ncbi request reprint A test of alternative hypotheses for the evolution of reproductive isolation between spadefoot toads: support for the reinforcement hypothesis
    Karin S Pfennig
    Section of Integrative Biology, University of Texas, Austin, Texas 78712, USA
    Evolution 57:2842-51. 2003
    ....
  9. pmc Character displacement and the evolution of mate choice: an artificial neural network approach
    Karin S Pfennig
    Section of Integrative Biology, University of Texas, C0390, Austin, TX 78712, USA
    Philos Trans R Soc Lond B Biol Sci 362:411-9. 2007
    ..Such a pattern could potentially explain cases where reproductive character displacement is expected, but not observed...
  10. ncbi request reprint Character displacement as the "best of a bad situation": fitness trade-offs resulting from selection to minimize resource and mate competition
    Karin S Pfennig
    Department of Biology, CB 3280, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Evolution 59:2200-8. 2005
    ..Consequently, character displacement may not always promote diversification in the manner that is often expected...
  11. pmc Development and evolution of character displacement
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Ann N Y Acad Sci 1256:89-107. 2012
    ..We conclude by highlighting future directions for research that would test these predictions...
  12. doi request reprint Social signals increase monoamine levels in the tegmentum of juvenile Mexican spadefoot toads (Spea multiplicata)
    Verónica G Rodriguez Moncalvo
    Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 3280, USA
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 199:681-91. 2013
    ..We suggest that changes in monoamine levels in the juvenile tegmentum may reflect the effects of social signals on arousal state and could contribute to context-dependent modulation of social behavior. ..
  13. pmc Why do species co-occur? A test of alternative hypotheses describing abiotic differences in sympatry versus allopatry using spadefoot toads
    Amanda J Chunco
    Department of Geography, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
    PLoS ONE 7:e32748. 2012
    ..This work has implications for predicting how interacting species will respond to climate change, because species interactions may facilitate survival in extreme habitats...
  14. pmc Failed sperm development as a reproductive isolating barrier between species
    Lisa K Wünsch
    Department of Animal Physiology, Institute for Neurobiology, University of Tubingen, Auf der Morgenstelle 28, D 72076, Tubingen, Germany Department of Biology, CB 3280, University of North Carolina, Chapel Hill, NC, 25799 3280, USA
    Evol Dev 15:458-65. 2013
    ..The nature of this breakdown highlights the possibilities that hybrid males may vary in fertility and that fertility could possibly be recovered in introgressed males. ..
  15. pmc Character displacement and the origins of diversity
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Am Nat 176:S26-44. 2010
    ..Generally, character displacement is well supported empirically, and it remains a vital explanation for how new species arise and diversify...
  16. ncbi request reprint Facultative mate choice drives adaptive hybridization
    Karin S Pfennig
    Department of Biology, Campus Box 3280, Coker Hall, University of North Carolina, Chapel Hill, NC 27599, USA
    Science 318:965-7. 2007
    ..Thus, when the benefits of mate choice vary, females may radically alter their mate selection in response to their own phenotype and their environment, even to the point of choosing males of other species...