@article{PAR00011610, title = {{A}lphaproteobacteria species as a source and target of lateral sequence transfers}, author = {{L}e, {P}. {T}. and {P}ontarotti, {P}. and {R}aoult, {D}idier}, editor = {}, language = {{ENG}}, abstract = {{A}lphaproteobacterial genomes show a remarkable genome plasticity linked with different lifestyles (intracellular, facultative, and free-living). {T}hey represent the major source of the genome repertoire of mitochondria, and their genes (specifically those of {W}olbachia) have been massively transferred into their modern eukaryotic hosts, such as arthropods and nematodes. {C}onversely, other organisms (bacteria, viruses, archaea, and eukaryotes) and selfish {DNA} have contributed to their genomes. {T}his bidirectional lateral sequence transfer explains the mosaic nature of their genomes. {I}n contrast to those living in allopatry, alphaproteobacteria living in sympatry (in protist cells such as in the environment) favor lateral sequence transfer. {E}vidence shows that intracellular transfer of the type {IV} secretion system might have played a critical role in the evolution of these alphaproteobacteria.}, keywords = {lateral sequence transfer ; lateral gene transfer ; alphaproteobacteria ; sympatry ; {T}4{SS} paradigm}, booktitle = {}, journal = {{T}rends in {M}icrobiology}, volume = {22}, numero = {3}, pages = {147--156}, ISSN = {0966-842{X}}, year = {2014}, DOI = {10.1016/j.tim.2013.12.006}, URL = {https://www.documentation.ird.fr/hor/{PAR}00011610}, }