@article{fdi:010079833, title = {{A}daptive introgression from maize has facilitated the establishment of teosinte as a noxious weed in {E}urope}, author = {{L}e {C}orre, {V}. and {S}iol, {M}. and {V}igouroux, {Y}ves and {T}enaillon, {M}. {I}. and {D}elye, {C}.}, editor = {}, language = {{ENG}}, abstract = {{G}lobal trade has considerably accelerated biological invasions. {T}he annual tropical teosintes, the closest wild relatives of maize, were recently reported as new agricultural weeds in two {E}uropean countries, {S}pain and {F}rance. {T}heir prompt settlement under climatic conditions differing drastically from that of their native range indicates rapid genetic evolution. {W}e performed a phenotypic comparison of {F}rench and {M}exican teosintes under {E}uropean conditions and showed that only the former could complete their life cycle during maize cropping season. {T}o test the hypothesis that crop-to-wild introgression triggered such rapid adaptation, we used single nucleotide polymorphisms to characterize patterns of genetic variation in {F}rench, {S}panish, and {M}exican teosintes as well as in maize germplasm. {W}e showed that both {S}panish and {F}rench teosintes originated from {Z}ea mays ssp. mexicana race "{C}halco," a weedy teosinte from the {M}exican highlands. {H}owever, introduced teosintes differed markedly from their {M}exican source by elevated levels of genetic introgression from the high latitude {D}ent maize grown in {E}urope. {W}e identified a clear signature of divergent selection in a region of chromosome 8 introgressed from maize and encompassing {ZCN}8, a major flowering time gene associated with adaptation to high latitudes. {M}oreover, herbicide assays and sequencing revealed that {F}rench teosintes have acquired herbicide resistance via the introgression of a mutant herbicide-target gene ({ACC}1) present in herbicide-resistant maize cultivars. {A}ltogether, our results demonstrate that adaptive crop-to-wild introgression has triggered both rapid adaptation to a new climatic niche and acquisition of herbicide resistance, thereby fostering the establishment of an emerging noxious weed.}, keywords = {plant invasion ; rapid adaptation ; genetic introgression ; flowering time ; herbicide resistance ; {EUROPE} ; {ESPAGNE} ; {FRANCE}}, booktitle = {}, journal = {{P}roceedings of the {N}ational {A}cademy of {S}ciences of the {U}nited {S}tates of {A}merica}, volume = {117}, numero = {41}, pages = {25618--25627}, ISSN = {0027-8424}, year = {2020}, DOI = {10.1073/pnas.2006633117}, URL = {https://www.documentation.ird.fr/hor/fdi:010079833}, }