• Publications
  • Influence
Hybridization as an invasion of the genome.
  • J. Mallet
  • Biology
    Trends in ecology & evolution
  • 1 May 2005
Hybrid speciation
TLDR
New genetic evidence suggests that hybrid speciation, even without polyploidy, is more common in plants and also animals than the authors thought.
Hybridization and speciation
TLDR
A perspective on the context and evolutionary significance of hybridization during speciation is offered, highlighting issues of current interest and debate and suggesting that the Dobzhansky–Muller model of hybrid incompatibilities requires a broader interpretation.
A species definition for the modern synthesis.
  • J. Mallet
  • Environmental Science
    Trends in ecology & evolution
  • 1 July 1995
Host races in plant-feeding insects and their importance in sympatric speciation.
  • M. Drès, J. Mallet
  • Biology
    Philosophical transactions of the Royal Society…
  • 29 April 2002
TLDR
This work provides verifiable criteria to distinguish host races from other biotypes, and discusses applications of an understanding of host races in conservation and in managing adaptation by pests to control strategies, including those involving biological control or transgenic parasite-resistant plants.
Butterfly genome reveals promiscuous exchange of mimicry adaptations among species
TLDR
It is inferred that closely related Heliconius species exchange protective colour-pattern genes promiscuously, implying that hybridization has an important role in adaptive radiation.
Reproductive isolation caused by colour pattern mimicry
TLDR
It is shown that a shift in colour pattern mimicry was crucial in the origin of two butterfly species, and individuals from a population of H. melpomene allopatric to H. cydno court and mate with the sister species more readily than those from a sympatric population, suggesting that assortative mating has been enhanced in sympatry.
Genome-wide evidence for speciation with gene flow in Heliconius butterflies.
TLDR
Overall these results show that species divergence can occur in the face of persistent and genome-wide admixture over long periods of time.
Hybridization, ecological races and the nature of species: empirical evidence for the ease of speciation
  • J. Mallet
  • Biology
    Philosophical Transactions of the Royal Society B…
  • 27 September 2008
TLDR
It is shown how recent genetic studies of supposedly well-behaved animals, including the authors' own species, have supported the existence of the Darwinian continuum between varieties and species, which provides good evidence for gradual evolution of species from ecological races and biotypes, to hybridizing species and, ultimately, to species that no longer cross.
EVOLUTION OF DIVERSITY IN WARNING COLOR AND MIMICRY: Polymorphisms, Shifting
TLDR
These contrasting patterns can be explained, in part, by the shape of a “number-dependent” selection function first modeled by Fritz Muller in 1879: Purifying selectio...
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