@article{fdi:010040935, title = {{G}enetic bottleneck in invasive species : the potato tuber moth adds to the list}, author = {{P}uillandre, {N}icolas and {D}upas, {S}t{\'e}phane and {D}angles, {O}livier and {Z}eddam, {J}ean-{L}ouis and {C}apdevielle {D}ulac, {C}laire and {B}arbin, {K}. and {T}orres-{L}eguizamon, {M}agallita and {S}ilvain, {J}ean-{F}ran{\c{c}}ois}, editor = {}, language = {{ENG}}, abstract = {{T}he level of genetic diversity within populations of introduced species has received increasing attention as an important factor influencing their survival and adaptive potential. {W}e examined this issue with the {G}uatemalan potato tuber moth {T}ecia solanivora, an agricultural pest which has successfully invaded {S}outh {A}merica and the {C}anary {I}slands within the last 20 years. {T}o analyse changes in {T}. solanivora genetic diversity, the mitochondrial marker cytochrome b was sequenced from individuals collected across its known distribution area. {H}igh haplotypic diversity was observed in {G}uatemala, whereas only three haplotypes have been found in {V}enezuela and a single one in the remaining invaded {S}outh {A}merican countries and the {C}anary {I}slands. {I}nvasive haplotypes were not observed in our samples from {G}uatemala but are closely related to {G}uatemalan haplotypes. {T}hese results are consistent with the hypotheses that (i) either a few individuals were introduced into {V}enezuela leading to a strong initial genetic bottleneck, or selection pressure may have lead to the disparition of all but a reduced number of introduced haplotypes, (ii) a second bottleneck occured between {V}enezuela and {C}olombia, and (iii) the invasion of the {C}anary {I}slands originated from {S}outh {A}merica. {W}e further reviewed the recent literature to compare this change in genetic diversity with those reported for other invasive species. {W}e quantified the changes in genetic diversity between native and introduced ranges for 57 biological invasions. {W}e found that the genetic homogenization in {T}. solanivora was among the strongest reported and discuss factors that can explain the success of invasive populations with low genetic diversity.}, keywords = {}, booktitle = {}, journal = {{B}iological {I}nvasions}, volume = {10}, numero = {3}, pages = {319--333}, ISSN = {1387-3547}, year = {2008}, DOI = {10.1007/s10530-007-9132-y}, URL = {https://www.documentation.ird.fr/hor/fdi:010040935}, }