@article{fdi:010058953, title = {{H}ybridization and speciation}, author = {{A}bbott, {R}. and {A}lbach, {D}. and {A}nsell, {S}. and {A}rntzen, {J}. {W}. and {B}aird, {S}. {J}. {E}. and {B}ierne, {N}. and {B}oughman, {J}. and {B}relsford, {A}. and {B}uerkle, {C}. {A}. and {B}uggs, {R}. and {B}utlin, {R}. {K}. and {D}ieckmann, {U}. and {E}roukhmanoff, {F}. and {G}rill, {A}. and {C}ahan, {S}. {H}. and {H}ermansen, {J}. {S}. and {H}ewitt, {G}. and {H}udson, {A}. {G}. and {J}iggins, {C}. and {J}ones, {J}. and {K}eller, {B}. and {M}arczewski, {T}. and {M}allet, {J}ulien and {M}artinez-{R}odriguez, {P}. and {M}ost, {M}. and {M}ullen, {S}. and {N}ichols, {R}. and {N}olte, {A}. {W}. and {P}arisod, {C}. and {P}fennig, {K}. and {R}ice, {A}. {M}. and {R}itchie, {M}. {G}. and {S}eifert, {B}. and {S}madja, {C}. {M}. and {S}telkens, {R}. and {S}zymura, {J}. {M}. and {V}ainola, {R}. and {W}olf, {J}. {B}. {W}. and {Z}inner, {D}.}, editor = {}, language = {{ENG}}, abstract = {{H}ybridization has many and varied impacts on the process of speciation. {H}ybridization may slow or reverse differentiation by allowing gene flow and recombination. {I}t may accelerate speciation via adaptive introgression or cause near-instantaneous speciation by allopolyploidization. {I}t may have multiple effects at different stages and in different spatial contexts within a single speciation event. {W}e offer a perspective on the context and evolutionary significance of hybridization during speciation, highlighting issues of current interest and debate. {I}n secondary contact zones, it is uncertain if barriers to gene flow will be strengthened or broken down due to recombination and gene flow. {T}heory and empirical evidence suggest the latter is more likely, except within and around strongly selected genomic regions. {H}ybridization may contribute to speciation through the formation of new hybrid taxa, whereas introgression of a few loci may promote adaptive divergence and so facilitate speciation. {G}ene regulatory networks, epigenetic effects and the evolution of selfish genetic material in the genome suggest that the {D}obzhansky-{M}uller model of hybrid incompatibilities requires a broader interpretation. {F}inally, although the incidence of reinforcement remains uncertain, this and other interactions in areas of sympatry may have knock-on effects on speciation both within and outside regions of hybridization.}, keywords = {hybrid species ; hybrid zone ; incompatibility ; introgression ; reinforcement ; reproductive barrier}, booktitle = {}, journal = {{J}ournal of {E}volutionary {B}iology}, volume = {26}, numero = {2}, pages = {229--246}, ISSN = {1010-061{X}}, year = {2013}, DOI = {10.1111/j.1420-9101.2012.02599.x}, URL = {https://www.documentation.ird.fr/hor/fdi:010058953}, }