All Stories

  1. Effects of two seminal fluid transcripts on post‐mating behaviour in the simultaneously hermaphroditic flatworm Macrostomum lignano

    Article • Journal of Evolutionary Biology, March 2020, Wiley

    Dr Steven A Ramm

  2. The free-living flatworm Macrostomum lignano

    Article • EvoDevo, March 2020, Springer Science + Business Media

    Dr Steven A Ramm

  3. Evidence for inter-population variation in waiting times in a self-fertilizing flatworm

    Article • Invertebrate Reproduction & Development, February 2020, Taylor & Francis

    Dr Steven A Ramm

  4. Seminal Fluid-Mediated Manipulation of Post-mating Behavior in a Simultaneous Hermaphrodite

    Article • Current Biology, January 2020, Elsevier

    Dr Steven A Ramm

  5. Genotype‐by‐environment interactions for seminal fluid expression and sperm competitive ability

    Article • Journal of Evolutionary Biology, November 2019, Wiley

    Dr Steven A Ramm

  6. Seminal fluid‐mediated fitness effects in the simultaneously hermaphroditic flatworm Macrostomum lignano

    Article • Ecology and Evolution, November 2019, Wiley

    Dr Steven A Ramm

  7. Impact of low sperm competition on male reproductive trait allometries in a bush-cricket

    Article • BMC Evolutionary Biology, October 2019, Springer Science + Business Media

    Dr Steven A Ramm

  8. Genotype-by-environment interactions for seminal fluid expression and sperm competitive ability

    Article • August 2019, Cold Spring Harbor Laboratory Press

    Dr Steven A Ramm

  9. Sex allocation plasticity on a transcriptome scale: socially‐sensitive gene expression in a simultaneous hermaphrodite

    Article • Molecular Ecology, March 2019, Wiley

    Dr Steven A Ramm

  10. Plastic expression of seminal fluid protein genes in a simultaneously hermaphroditic snail

    Article • Behavioral Ecology, March 2019, Oxford University Press (OUP)

    Dr Steven A Ramm

  11. Genetic and environmental variation in transcriptional expression of seminal fluid proteins

    Article • Heredity, October 2018, Springer Science + Business Media

    Dr Steven A Ramm

  12. Experimental evidence for reduced male allocation under selfing in a simultaneously hermaphroditic animal

    Article • Biology Letters, October 2018, Royal Society Publishing

    Dr Steven A Ramm

  13. A targeted in situ hybridization screen identifies putative seminal fluid proteins in a simultaneously hermaphroditic flatworm

    Article • BMC Evolutionary Biology, May 2018, Springer Science + Business Media

    Dr Steven A Ramm

  14. Divergent testis allometry in two subspecies of the bushcricket Poecilimon veluchianus

    Article • Biological Journal of the Linnean Society, March 2018, Oxford University Press (OUP)

    Dr Steven A Ramm

  15. Promiscuity punishes sexual deviants

    Article • Molecular Ecology, October 2017, Wiley

    Dr Steven A Ramm

  16. The evolution of gonad expenditure and gonadosomatic index (GSI) in male and female broadcast-spawning invertebrates

    Article • Biological Reviews, September 2017, Wiley

    Dr Steven A Ramm

  17. Strategic Investment in Sperm Removal Behaviour in a Bushcricket

    Article • Journal of Insect Behavior, March 2017, Springer Science + Business Media

    Dr Steven A Ramm

  18. Self-fertilization, sex allocation and spermatogenesis kinetics in the hypodermically-inseminating flatworm Macrostomum pusillum

    Article • Journal of Experimental Biology, February 2017, The Company of Biologists

    Dr Steven A Ramm

  19. Exploring the sexual diversity of flatworms: Ecology, evolution, and the molecular biology of reproduction

    Article • Molecular Reproduction and Development, July 2016, Wiley

    Dr Steven A Ramm

  20. Experimentally evolved and phenotypically plastic responses to enforced monogamy in a hermaphroditic flatworm

    Article • Journal of Evolutionary Biology, June 2016, Wiley

    Dr Steven A Ramm

  21. Sperm competition-induced plasticity in the speed of spermatogenesis

    Article • BMC Evolutionary Biology, March 2016, Springer Science + Business Media

    Dr Steven A Ramm

  22. Integrating Perspectives on Rodent Sperm Competition

    Article • January 2016, Elsevier

    Dr Steven A Ramm

  23. Hermaphrodites

    Article • January 2016, Elsevier

    Dr Steven A Ramm

  24. Male birch catkin bugs vary copula duration to invest more in matings with novel females

    Article • Animal Behaviour, November 2015, Elsevier

    Dr Steven A Ramm

  25. Sperm competition risk drives plasticity in seminal fluid composition

    Article • BMC Biology, October 2015, Springer Science + Business Media

    Dr Steven A Ramm

  26. Hypodermic self-insemination as a reproductive assurance strategy

    Article • Proceedings of the Royal Society B Biological Sciences, July 2015, Royal Society Publishing

    Dr Steven A Ramm

  27. Sperm competition and the evolution of spermatogenesis

    Article • Molecular Human Reproduction, October 2014, Oxford University Press (OUP)

    Dr Steven A Ramm

  28. Sperm competition and the evolution of reproductive systems

    Article • Molecular Human Reproduction, October 2014, Oxford University Press (OUP)

    Dr Steven A Ramm

  29. Making the complex simple: a comment on Valcu and Kempenaers

    Article • Behavioral Ecology, September 2014, Oxford University Press (OUP)

    Dr Steven A Ramm

  30. Sexual Conflict in Hermaphrodites

    Article • Cold Spring Harbor Perspectives in Biology, September 2014, Cold Spring Harbor Laboratory Press

    Dr Steven A Ramm

  31. Sequential male mate choice under sperm competition risk

    Article • Behavioral Ecology, March 2014, Oxford University Press (OUP)

    Dr Steven A Ramm

  32. The evolutionary ecology of testicular function: size isn't everything

    Article • Biological Reviews, February 2014, Wiley

    Dr Steven A Ramm

  33. Comment on "Bateman in Nature: Predation on Offspring Reduces the Potential for Sexual Selection"

    Article • Science, May 2013, American Association for the Advancement of Science

    Dr Steven A Ramm

  34. Baculum morphology predicts reproductive success of male house mice under sexual selection

    Article • BMC Biology, January 2013, Springer Science + Business Media

    Dr Steven A Ramm

  35. Male control of sperm transfer dynamics in a spermatophore-donating bushcricket

    Article • Behavioral Ecology and Sociobiology, November 2012, Springer Science + Business Media

    Dr Steven A Ramm

  36. Occurrence, costs and heritability of delayed selfing in a free-living flatworm

    Article • Journal of Evolutionary Biology, October 2012, Wiley

    Dr Steven A Ramm

  37. Sperm competition roles and ejaculate investment in a promiscuous mammal

    Article • Journal of Evolutionary Biology, April 2012, Wiley

    Dr Steven A Ramm

  38. Heterogenous Turnover of Sperm and Seminal Vesicle Proteins in the Mouse Revealed by Dynamic Metabolic Labeling

    Article • Molecular & Cellular Proteomics, February 2012, American Society for Biochemistry & Molecular Biology (ASBMB)

    Dr Steven A Ramm

  39. Inbreeding avoidance behaviour of male bank voles in relation to social status

    Article • Animal Behaviour, February 2012, Elsevier

    Dr Steven A Ramm

  40. Genital morphology linked to social status in the bank vole (Myodes glareolus)

    Article • Behavioral Ecology and Sociobiology, September 2011, Springer Science + Business Media

    Dr Steven A Ramm

  41. Social cues of sperm competition influence accessory reproductive gland size in a promiscuous mammal

    Article • Proceedings of the Royal Society B Biological Sciences, September 2010, Royal Society Publishing

    Dr Steven A Ramm

  42. Sperm competition and brain size evolution in mammals

    Article • Journal of Evolutionary Biology, November 2009, Wiley

    Dr Steven A Ramm

  43. Sperm competition and sperm length influence the rate of mammalian spermatogenesis

    Article • Proceedings of the Royal Society B Biological Sciences, October 2009, Royal Society Publishing

    Dr Steven A Ramm

  44. Male house mice do not adjust sperm allocation in response to odours from related or unrelated rivals

    Article • Animal Behaviour, September 2009, Elsevier

    Dr Steven A Ramm

  45. Sexual selection and the rodent baculum: an intraspecific study in the house mouse (Mus musculus domesticus)

    Article • Genetica, July 2009, Springer Science + Business Media

    Dr Steven A Ramm

  46. Adaptive plasticity of mammalian sperm production in response to social experience

    Article • Proceedings of the Royal Society B Biological Sciences, February 2009, Royal Society Publishing

    Dr Steven A Ramm

  47. Comparative Proteomics Reveals Evidence for Evolutionary Diversification of Rodent Seminal Fluid and Its Functional Significance in Sperm Competition

    Article • Molecular Biology and Evolution, October 2008, Oxford University Press (OUP)

    Dr Steven A Ramm

  48. Encoding choosiness: female attraction requires prior physical contact with individual male scents in mice

    Article • Proceedings of the Royal Society B Biological Sciences, August 2008, Royal Society Publishing

    Dr Steven A Ramm

  49. Sexual Selection and the Adaptive Evolution of Mammalian Ejaculate Proteins

    Article • Molecular Biology and Evolution, November 2007, Oxford University Press (OUP)

    Dr Steven A Ramm

  50. Sexual Selection and Genital Evolution in Mammals: A Phylogenetic Analysis of Baculum Length

    Article • The American Naturalist, March 2007, University of Chicago Press

    Dr Steven A Ramm

  51. Ejaculate allocation under varying sperm competition risk in the house mouse, Mus musculus domesticus

    Article • Behavioral Ecology, February 2007, Oxford University Press (OUP)

    Dr Steven A Ramm

  52. Sexual Selection and Genital Evolution in Mammals: A Phylogenetic Analysis of Baculum Length

    Article • The American Naturalist, January 2007, JSTOR

    Dr Steven A Ramm

  53. Sperm competition and the evolution of male reproductive anatomy in rodents

    Article • Proceedings of the Royal Society B Biological Sciences, May 2005, Royal Society Publishing

    Professor Geoff A. Parker, Dr Steven A Ramm