Derek Roff

Summary

Affiliation: University of California
Country: USA

Publications

  1. doi request reprint The costs of being dark: the genetic basis of melanism and its association with fitness-related traits in the sand cricket
    D A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Evol Biol 26:1406-16. 2013
  2. doi request reprint A test of the hypothesis that correlational selection generates genetic correlations
    Derek A Roff
    Department of Biology, University of California, Riverside, California 92521, USA
    Evolution 66:2953-60. 2012
  3. doi request reprint The evolution of trade-offs under directional and correlational selection
    Derek A Roff
    Department of Biology, University of California, Riverside, California 92521, USA
    Evolution 66:2461-74. 2012
  4. doi request reprint There is more than one way to skin a G matrix
    D A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Evol Biol 25:1113-26. 2012
  5. ncbi request reprint The importance of growth and mortality costs in the evolution of the optimal life history
    D A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Evol Biol 19:1920-30. 2006
  6. ncbi request reprint Epistasis and dominance: evidence for differential effects in life-history versus morphological traits
    Derek A Roff
    Department of Biology, University of California, Riverside, California 92521, USA
    Evolution 60:1981-90. 2006
  7. ncbi request reprint Contributions of genomics to life-history theory
    Derek A Roff
    Department of Biology, University of California, Riverside, California 92521, USA
    Nat Rev Genet 8:116-25. 2007
  8. ncbi request reprint The evolution of trade-offs: where are we?
    D A Roff
    Department of Biology, University of California, Riverside, CA 92507, USA
    J Evol Biol 20:433-47. 2007
  9. ncbi request reprint A centennial celebration for quantitative genetics
    Derek A Roff
    Department of Biology, University of California, Riverside, California 92521, USA
    Evolution 61:1017-32. 2007
  10. ncbi request reprint Laboratory evolution of the migratory polymorphism in the sand cricket: combining physiology with quantitative genetics
    Derek A Roff
    Department of Biology, University of California, 900 University Avenue, Riverside, California 92507, USA
    Physiol Biochem Zool 80:358-69. 2007

Detail Information

Publications34

  1. doi request reprint The costs of being dark: the genetic basis of melanism and its association with fitness-related traits in the sand cricket
    D A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Evol Biol 26:1406-16. 2013
    ..Our results support the general hypothesis that melanization is costly for insects and negatively impacts investment in early reproduction. ..
  2. doi request reprint A test of the hypothesis that correlational selection generates genetic correlations
    Derek A Roff
    Department of Biology, University of California, Riverside, California 92521, USA
    Evolution 66:2953-60. 2012
    ..Our results are consistent with both predictions and hence support the underlying hypothesis that correlational selection generates a genetic correlation between the two traits and hence orients the bivariate G matrix...
  3. doi request reprint The evolution of trade-offs under directional and correlational selection
    Derek A Roff
    Department of Biology, University of California, Riverside, California 92521, USA
    Evolution 66:2461-74. 2012
    ..Our results support the predictions and illustrate the complexity of trade-off evolution when component traits are subject to both directional and correlational selection...
  4. doi request reprint There is more than one way to skin a G matrix
    D A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Evol Biol 25:1113-26. 2012
    ..We recommend applying all the tests described in this article, with the exception of the T method, and provide R functions for this purpose...
  5. ncbi request reprint The importance of growth and mortality costs in the evolution of the optimal life history
    D A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Evol Biol 19:1920-30. 2006
    ..We find that the PJM model is unacceptable but that the SSJM model produces fits suggesting that, within the two species studied, juvenile mortality is proportional to adult mortality but the value differs between the two species...
  6. ncbi request reprint Epistasis and dominance: evidence for differential effects in life-history versus morphological traits
    Derek A Roff
    Department of Biology, University of California, Riverside, California 92521, USA
    Evolution 60:1981-90. 2006
    ..For both dominance and epistatic components, the ratio of the nonadditive component to additive effects in life-history traits is approximately twice as large as that for morphological traits...
  7. ncbi request reprint Contributions of genomics to life-history theory
    Derek A Roff
    Department of Biology, University of California, Riverside, California 92521, USA
    Nat Rev Genet 8:116-25. 2007
    ..Genomic approaches are proving useful in addressing this issue...
  8. ncbi request reprint The evolution of trade-offs: where are we?
    D A Roff
    Department of Biology, University of California, Riverside, CA 92507, USA
    J Evol Biol 20:433-47. 2007
    ..Although this lack is discouraging, we suggest that it provides a rich ground for further study and the integration of many disciplines, including the emerging field of genomics...
  9. ncbi request reprint A centennial celebration for quantitative genetics
    Derek A Roff
    Department of Biology, University of California, Riverside, California 92521, USA
    Evolution 61:1017-32. 2007
    ..Bivariate experiments that combine both selection and functional analyses are urgently needed. Finally, I discuss the importance of gaining more insight, both theoretical and empirical, on the evolution of the G and P matrices...
  10. ncbi request reprint Laboratory evolution of the migratory polymorphism in the sand cricket: combining physiology with quantitative genetics
    Derek A Roff
    Department of Biology, University of California, 900 University Avenue, Riverside, California 92507, USA
    Physiol Biochem Zool 80:358-69. 2007
    ..These results demonstrate the power of combining quantitative genetic and physiological approaches for understanding the evolution of complex traits...
  11. ncbi request reprint Comparing sire and dam estimates of heritability: jackknife and likelihood approaches
    D A Roff
    Department of Biology, University of California, Riverside, CA, USA
    Heredity (Edinb) 100:32-8. 2008
    ..An approximate power analysis can be done using the data from the jackknife method but the estimated power is typically a substantial underestimate of the true power and its use is not recommended...
  12. ncbi request reprint Defining fitness in evolutionary models
    Derek A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Genet 87:339-48. 2008
    ..Defining fitness in a social environment or when there is frequency-dependence requires special consideration...
  13. doi request reprint Alternative strategies: the evolution of switch points
    Derek A Roff
    Department of Biology, University of California, Riverside, CA 9521, USA
    Curr Biol 21:R285-7. 2011
    ..In animals, the frequency of alternative morphs, characterized by different morphologies and mating tactics, can be both condition-dependent and subject to rapid evolutionary change...
  14. doi request reprint Path analysis of the genetic integration of traits in the sand cricket: a novel use of BLUPs
    D A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Evol Biol 24:1857-69. 2011
    ..Our results illustrate the benefits of combining a quantitative genetic analysis, which examines statistical correlations between traits, with a path model that focuses upon the causal components of variation...
  15. ncbi request reprint The evolution of fledging age in songbirds
    D A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Evol Biol 18:1425-33. 2005
    ..3-0.4 of nesting mortality (i.e. mortality declines rapidly after fledging) produces predictions which, on average, equal the observed values. Data are presented showing that mortality does indeed decline rapidly upon fledging...
  16. ncbi request reprint The evolution of the phenotypic covariance matrix: evidence for selection and drift in Melanoplus
    D A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Evol Biol 18:1104-14. 2005
    ....
  17. ncbi request reprint The evolution of trade-offs: geographic variation in call duration and flight ability in the sand cricket, Gryllus firmus
    D A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Evol Biol 16:744-53. 2003
    ..But in the Bermuda and South Carolina populations the probability of a female selecting a macropterous male is less than P, indicating a preference for the micropterous male even after differences in call duration are accounted for...
  18. ncbi request reprint Comparing G matrices: a MANOVA approach
    Derek Roff
    Department of Biology, University of California, Riverside 92521, USA
    Evolution 56:1286-91. 2002
    ..pennsylvanicus; and (2) variation in G matrices associated with habitat and history in the amphipod Gammarus minus...
  19. ncbi request reprint Evolution. Evolutionary danger for rainforest species
    Derek Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    Science 301:58-9. 2003
  20. ncbi request reprint Geographic variation in the G matrices of wild populations of the barn swallow
    D A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    Heredity (Edinb) 93:8-14. 2004
    ..The significant variation among the populations in the G matrices appears to be due in large measure to the most geographically distant population...
  21. ncbi request reprint Extra-nuclear effects on growth and development in the sand cricket Gryllus firmus
    D A Roff
    Department of Biology, University of California, Riverside, CA, USA
    J Evol Biol 17:663-71. 2004
    ..This study demonstrates that extra-nuclear effects are important contributors to the phenotypic variation in life history traits of G. firmus...
  22. ncbi request reprint The quantitative genetics of fluctuating asymmetry: a comparison of two models
    Derek Roff
    Department of Biology, University of California, Riverside, California 92521, USA
    Evolution 58:47-58. 2004
    ..02, the environmental responsiveness model is more consistent with the data than the character-state model. A review of other data suggests that both sources of variation might be found in some species...
  23. ncbi request reprint Phenotypic plasticity and the evolution of trade-offs: the quantitative genetics of resource allocation in the wing dimorphic cricket, Gryllus firmus
    D A Roff
    Department of Biology, University of California, Riverside, CA 92521, USA
    J Evol Biol 16:55-63. 2003
    ..Analysis further indicates a very high genetic correlation between environments (food ration) supporting the hypothesis of a strong functional constraint between reproduction and flight capability...
  24. ncbi request reprint Inbreeding depression: tests of the overdominance and partial dominance hypotheses
    Derek A Roff
    Department of Biology, University of California, Riverside 92521, USA
    Evolution 56:768-75. 2002
    ..These results provide support for the partial dominance hypothesis and are inconsistent with the overdominance hypothesis...
  25. doi request reprint Modeling the evolution of phenotypic plasticity in resource allocation in wing-dimorphic insects
    Elizabeth G King
    Department of Biology, University of California, Riverside, California 92521, USA
    Am Nat 175:702-16. 2010
    ..Specifically, selection favors higher investment in flight under poor conditions in predictable environments and lower investment in unpredictable environments...
  26. ncbi request reprint The evolution of trade-offs: testing predictions on response to selection and environmental variation
    Derek A Roff
    Department of Biology, University of California, Riverside 92521, USA
    Evolution 56:84-95. 2002
    ....
  27. ncbi request reprint Effect of extrinsic mortality on the evolution of senescence in guppies
    David N Reznick
    Department of Biology, University of California, Riverside, California 92521, USA
    Nature 431:1095-9. 2004
    ..This mosaic pattern of senescence challenges the generality of the association between decreased extrinsic mortality and delayed senescence and invites consideration of more derived theories for the evolution of senescence...
  28. pmc Conflicting processes in the evolution of body size and development time
    H Frederik Nijhout
    Department of Biology, Duke University, Durham, NC 27708, USA
    Philos Trans R Soc Lond B Biol Sci 365:567-75. 2010
    ..Therefore, simultaneous directional selection on body size and development time can be neither synergistic nor antagonistic but leads to conflicting selection on the underlying developmental parameters...
  29. ncbi request reprint The constancy of the G matrix through species divergence and the effects of quantitative genetic constraints on phenotypic evolution: a case study in crickets
    Mattieu Bégin
    Department of Biology, McGill University, 1205 Dr Penfield Avenue, Montreal, Quebec H3A 1B1, Canada
    Evolution 57:1107-20. 2003
    ..Overall, this study provided some support for the validity of the predictive power of quantitative genetics over evolutionary time scales...
  30. ncbi request reprint Inbreeding, developmental stabilty, and canalization in the sand cricket Gryllus firmus
    Denis Reale
    Department of Biology, McGill University, Montreal, Quebec H3A 1B1, Canada
    Evolution 57:597-605. 2003
    ..For most of the traits, morphological variation and fluctuating asymmetry were not significantly correlated, which support the hypothesis that canalization and DS consist in two distinct mechanisms...
  31. ncbi request reprint From micro- to macroevolution through quantitative genetic variation: positive evidence from field crickets
    Mattieu Bégin
    Department of Biology, McGill University, Montreal, Quebec, H3A 1B1, Canada
    Evolution 58:2287-304. 2004
    ..Alternative explanations are discussed...
  32. ncbi request reprint Dissecting the variance-covariance structure in insect physiology: the multivariate association between metabolism and morphology in the nymphs of the sand cricket (Gryllus firmus)
    Roberto F Nespolo
    Instituto de Ecologia y Evolucion, Facultad de Ciencias, Universidad Austral de Chile, Casilla 567 Valdivia, Chile
    J Insect Physiol 51:913-21. 2005
    ..Activity metabolism was mostly explained by body mass rather than body parts, which could be a result of resting rates being chronic consequences of the functioning of the metabolic machinery that the insect must maintain...
  33. ncbi request reprint Quantitative genetic variation of metabolism in the nymphs of the sand cricket, Gryllus firmus, inferred from an analysis of inbred-lines
    Roberto F Nespolo
    Instituto de Ecologia y Evolucion, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile
    Biol Res 40:5-12. 2007
    ..Our results indicate that the heritabilities of metabolic measures are large enough to potentially respond to selection...
  34. ncbi request reprint The effect of fasting on activity and resting metabolism in the sand cricket, Gryllus firmus: a multivariate approach
    Roberto F Nespolo
    Instituto de Ecologia y Evolucion, Facultad de Ciencias, Universidad Austral de Chile, Casilla 567 Valdivia, Chile
    J Insect Physiol 51:61-6. 2005
    ..Our results suggest that there is a general effect of fasting in metabolic rate but with a graded response: the larger the influence of activity on the metabolic variable, the less is the effect of fasting that was detected...