@article{fdi:010037849, title = {{A} northward colonisation of the {A}ndes by the potato cyst nematode during geological times suggests multiple host-shifts from wild to cultivated potatoes}, author = {{P}icard, {D}. and {S}emp{\'e}r{\'e}, {T}hierry and {P}lantard, {O}.}, editor = {}, language = {{ENG}}, abstract = {{T}he cyst nematode {G}lobodera pallida is a major pest of potato in {S}outh {A}merica where this specialist parasite is native. {T}o investigate its phylogeography, we have genotyped individuals from 42 {P}eruvian populations using mitochondrial and nuclear molecular markers. {A} clear south-to-north phylogeographical pattern was revealed with five well-supported clades. {T}he clade containing the southern populations is genetically more diverse and forms the most basal branch. {T}he large divergence among cytochrome b haplotypes suggests that they diverged before human domestication of potato. {A}s the nematodes studied have been sampled on cultivated potato, multiple host-shifts from wild to cultivated potatoes must have occurred independently in each clade. {W}e hypothesise that this south-to-north pattern took place during the uplift of the {A}ndes beginning 20 {M}y ago and following the same direction. {T}o our knowledge, this is the first study of a plant parasite sampled on cultivated plants revealing an ancient phylogeographical pattern.}, keywords = {phylogeography ; {S}outh {A}merica ; {A}ndean uplift ; cytochrome b ; plant parasitic nematode ; {G}lobodera pallida ; {S}olanum tuberosum}, booktitle = {}, journal = {{M}olecular {P}hylogenetics and {E}volution}, volume = {42}, numero = {2}, pages = {308--316}, ISSN = {1055-7903}, year = {2007}, DOI = {10.1016/j.ympev.2006.06.018}, URL = {https://www.documentation.ird.fr/hor/fdi:010037849}, }