S Charlat

Summary

Affiliation: University College London
Country: UK

Publications

  1. pmc Exploring the evolution of Wolbachia compatibility types: a simulation approach
    Sylvain Charlat
    Institut Jacques Monod, Laboratoire Dynamique du Genome et Evolution, Paris, France
    Genetics 170:495-507. 2005
  2. ncbi request reprint Extraordinary flux in sex ratio
    Sylvain Charlat
    Department of Biology, University College London, 4 Stephenson Way, London NW1 2HE, UK
    Science 317:214. 2007
  3. ncbi request reprint Male-killing bacteria trigger a cycle of increasing male fatigue and female promiscuity
    Sylvain Charlat
    Department of Biology, University College London, 4 Stephenson Way, London NW1 2HE, United Kingdom
    Curr Biol 17:273-7. 2007
  4. pmc Disrupting the timing of Wolbachia-induced male-killing
    Sylvain Charlat
    Department of Biology, University College London, 4 Stephenson Way, London NW1 2HE, UK
    Biol Lett 3:154-6. 2007
  5. ncbi request reprint Competing selfish genetic elements in the butterfly Hypolimnas bolina
    Sylvain Charlat
    Department of Biology, University College London, 4 Stephenson Way, London NW1 2HE, United Kingdom
    Curr Biol 16:2453-8. 2006
  6. ncbi request reprint Prevalence and penetrance variation of male-killing Wolbachia across Indo-Pacific populations of the butterfly Hypolimnas bolina
    Sylvain Charlat
    Department of Biology, University College London, London NW1 2HE, United Kingdom
    Mol Ecol 14:3525-30. 2005
  7. ncbi request reprint What maintains noncytoplasmic incompatibility inducing Wolbachia in their hosts: a case study from a natural Drosophila yakuba population
    S Charlat
    Institut Jacques Monod, CNRS Universités Paris 627, Laboratoire Dynamique du Genome et Evolution, Jussieu, Paris, France
    J Evol Biol 17:322-30. 2004
  8. ncbi request reprint Incipient evolution of Wolbachia compatibility types
    Sylvain Charlat
    Institut Jacques Monod, CNRS Universite Paris 6, Laboratoire Dynamique du Genome et Evolution, 2 place Jussieu, 75251 Paris 05, France
    Evolution 58:1901-8. 2004
  9. pmc On the mod resc model and the evolution of Wolbachia compatibility types
    S Charlat
    Institut Jacques Monod, Laboratoire Dynamique du Genome et Evolution, CNRS, Université Paris 6 and 7, 75251 Paris, Cedex 05 France
    Genetics 159:1415-22. 2001
  10. ncbi request reprint Wolbachia segregation dynamics and levels of cytoplasmic incompatibility in Drosophila sechellia
    S Charlat
    Institut Jacques Monod, Laboratoire Dynamique du Genome et Evolution, CNRS Universités Paris 6 and 7, 2 place Jussieu 75251 Paris cedex 05, France
    Heredity (Edinb) 90:157-61. 2003

Detail Information

Publications22

  1. pmc Exploring the evolution of Wolbachia compatibility types: a simulation approach
    Sylvain Charlat
    Institut Jacques Monod, Laboratoire Dynamique du Genome et Evolution, Paris, France
    Genetics 170:495-507. 2005
    ..Most importantly, simulations suggest that in the frame of our model, the evolution of compatibility types is likely to be a gradual process, with new compatibility types remaining partially compatible with ancestral ones...
  2. ncbi request reprint Extraordinary flux in sex ratio
    Sylvain Charlat
    Department of Biology, University College London, 4 Stephenson Way, London NW1 2HE, UK
    Science 317:214. 2007
    ..We show that in the butterfly Hypolimnas bolina the suppression of sex biases occurs extremely fast, with a switch from a 100:1 population sex ratio to 1:1 occurring in fewer than 10 generations...
  3. ncbi request reprint Male-killing bacteria trigger a cycle of increasing male fatigue and female promiscuity
    Sylvain Charlat
    Department of Biology, University College London, 4 Stephenson Way, London NW1 2HE, United Kingdom
    Curr Biol 17:273-7. 2007
    ..In other words, this system is one where male-killing bacteria trigger a vicious circle of increasing male fatigue and female promiscuity...
  4. pmc Disrupting the timing of Wolbachia-induced male-killing
    Sylvain Charlat
    Department of Biology, University College London, 4 Stephenson Way, London NW1 2HE, UK
    Biol Lett 3:154-6. 2007
    ..These results argue against the view that early male-killing is achieved by specifically targeting an early developmental process within the sex determination pathway...
  5. ncbi request reprint Competing selfish genetic elements in the butterfly Hypolimnas bolina
    Sylvain Charlat
    Department of Biology, University College London, 4 Stephenson Way, London NW1 2HE, United Kingdom
    Curr Biol 16:2453-8. 2006
    ..Thus, we provide empirical support for the hypothesis that the incidence of particular selfish genetic elements can limit the presence of competing types...
  6. ncbi request reprint Prevalence and penetrance variation of male-killing Wolbachia across Indo-Pacific populations of the butterfly Hypolimnas bolina
    Sylvain Charlat
    Department of Biology, University College London, London NW1 2HE, United Kingdom
    Mol Ecol 14:3525-30. 2005
    ..The causes and consequences of the observed spatial variation are discussed with respect to host resistance evolution, host ecology and interference with additional symbionts...
  7. ncbi request reprint What maintains noncytoplasmic incompatibility inducing Wolbachia in their hosts: a case study from a natural Drosophila yakuba population
    S Charlat
    Institut Jacques Monod, CNRS Universités Paris 627, Laboratoire Dynamique du Genome et Evolution, Jussieu, Paris, France
    J Evol Biol 17:322-30. 2004
    ..Finally, Wolbachia was not found to affect sex ratio. Overall, our results would suggest that Wolbachia behaves like a neutral or nearly neutral trait in this species, and is maintained in the host by perfect maternal transmission...
  8. ncbi request reprint Incipient evolution of Wolbachia compatibility types
    Sylvain Charlat
    Institut Jacques Monod, CNRS Universite Paris 6, Laboratoire Dynamique du Genome et Evolution, 2 place Jussieu, 75251 Paris 05, France
    Evolution 58:1901-8. 2004
    ..The compatibility relationships observed can be explained using a formal description of the mod and resc functions, implying both qualitative and quantitative variations...
  9. pmc On the mod resc model and the evolution of Wolbachia compatibility types
    S Charlat
    Institut Jacques Monod, Laboratoire Dynamique du Genome et Evolution, CNRS, Université Paris 6 and 7, 75251 Paris, Cedex 05 France
    Genetics 159:1415-22. 2001
    ..Furthermore, we show that a stable polymorphism might be maintained in natural populations, allowing the long-term existence of "suicidal" Wolbachia strains...
  10. ncbi request reprint Wolbachia segregation dynamics and levels of cytoplasmic incompatibility in Drosophila sechellia
    S Charlat
    Institut Jacques Monod, Laboratoire Dynamique du Genome et Evolution, CNRS Universités Paris 6 and 7, 2 place Jussieu 75251 Paris cedex 05, France
    Heredity (Edinb) 90:157-61. 2003
    ..simulans. Our results do not suggest any consistent effect of the host species on the CI induced by wSh. On the contrary, it seems that wSn expression is repressed by host factors in D. sechellia...
  11. ncbi request reprint Wolbachia infections in Drosophila melanogaster and D. simulans: polymorphism and levels of cytoplasmic incompatibility
    Hervé Merçot
    Laboratoire Dynamique du Genome et Evolution, Institut Jacques Monod, CNRS Universite Paris 6, Tour 42 4, 2 place Jussieu, 75251 Paris Cedex 05, France
    Genetica 120:51-9. 2004
    ..melanogaster, demonstrating the involvement of host factors in the control of CI levels. The potential of the two host species regarding the understanding of CI and its evolution is also discussed...
  12. ncbi request reprint Evolution of Wolbachia-induced cytoplasmic incompatibility in Drosophila simulans and D. sechellia
    Sylvain Charlat
    Institut Jacques Monod, Laboratoire Dynamique du Genome et Evolution, CNRS Universités Paris 6 et 7, France
    Evolution 56:1735-42. 2002
    ..We conclude that the short period for which the Wolbachia sister strains have been evolving separated from each other was not sufficient for their CI properties to diverge significantly...
  13. ncbi request reprint Characterization of non-cytoplasmic incompatibility inducing Wolbachia in two continental African populations of Drosophila simulans
    S Charlat
    Laboratoire Dymanique du Génome et Evolution, Institut Jacques Monod, CNRS Université Paris 6 and 7, France
    Heredity (Edinb) 90:49-55. 2003
    ..In the West African population (Cameroon), the Wolbachia infection was found identical to the previously described wAu, which does not induce CI. This finding supports the view that wAu might be an ancient infection in D. simulans...
  14. pmc Evolution of male-killer suppression in a natural population
    Emily A Hornett
    Department of Biology, University College London, London, United Kingdom
    PLoS Biol 4:e283. 2006
    ....
  15. pmc The evolution of cytoplasmic incompatibility types: integrating segregation, inbreeding and outbreeding
    Jan Engelstädter
    Department of Biology, University College, The Galton Laboratories, London NW1 2HE, United Kingdom
    Genetics 172:2601-11. 2006
    ..Our model also provides a hypothesis on the evolutionary origin of CI...
  16. pmc Outbreeding selects for spiteful cytoplasmic elements
    Jan Engelstädter
    Department of Biology, UCL Wolfson House, 4 Stephenson Way, London NW1 2HE, UK
    Proc Biol Sci 273:923-9. 2006
    ..We discuss our results in respect to cytoplasmically induced male infertility and cytoplasmic incompatibility...
  17. ncbi request reprint Evolutionary consequences of Wolbachia infections
    Sylvain Charlat
    Institut Jacques Monod, CNRS Universités Paris 6 7, Laboratoire Dynamique du Genome et Evolution, 2 place Jussieu, 75251 Paris Cedex 05, France
    Trends Genet 19:217-23. 2003
    ..Here we discuss the potential of Wolbachia for promoting evolutionary changes in its hosts...
  18. ncbi request reprint On the mechanism of Wolbachia-induced cytoplasmic incompatibility: confronting the models with the facts
    Denis Poinsot
    Ecobiologie des insectes parasitoïdes EA 3193, Universite de Rennes 1, France
    Bioessays 25:259-65. 2003
    ..The two other models cannot be categorically invalidated, but they encounter some difficulties that make additional hypotheses necessary...
  19. pmc Natural Wolbachia infections in the Drosophila yakuba species complex do not induce cytoplasmic incompatibility but fully rescue the wRi modification
    Sofia Zabalou
    Medical School, University of Crete, Heraklion 711 10, Crete, Greece
    Genetics 167:827-34. 2004
    ..This result was unexpected, considering the significant evolutionary divergence between the two Wolbachia strains...
  20. pmc Wolbachia transfer from Rhagoletis cerasi to Drosophila simulans: investigating the outcomes of host-symbiont coevolution
    Markus Riegler
    Institute of Forest Entomology, Forest Pathology and Forest Protection, BOKU University of Natural Resources and Applied Life Sciences, 1190 Vienna, Austria
    Appl Environ Microbiol 70:273-9. 2004
    ..simulans. The experiment thus suggests that natural Wolbachia transfer between species might be restricted by many factors, should the ecological barriers be bypassed...
  21. doi request reprint You can't keep a good parasite down: evolution of a male-killer suppressor uncovers cytoplasmic incompatibility
    Emily A Hornett
    School of Biological Sciences, University of Liverpool, Liverpool, UK
    Evolution 62:1258-63. 2008
    ....
  22. ncbi request reprint A Survey of the bacteriophage WO in the endosymbiotic bacteria Wolbachia
    Laurent Gavotte
    Laboratoire de Biométrie et Biologie Évolutive UMR 5558, CNRS, IFR 41, University Lyon 1, Villeurbanne, France
    Mol Biol Evol 24:427-35. 2007
    ..The absence of relation between phage phylogeny and the effects induced by Wolbachia suggests that WO is not directly involved in these effects. Implications on phage WO evolution are discussed...