@article{fdi:010049225, title = {{T}ime - the emerging dimension of plant virus studies}, author = {{G}ibbs, {A}. {J}. and {F}argette, {D}enis and {G}arcia-{A}renal, {F}. and {G}ibbs, {M}. {J}.}, editor = {}, language = {{ENG}}, abstract = {{R}ecent research has revealed that some plant viruses, like many animal viruses, have measurably evolving populations. {M}ost of these viruses have single-stranded positive-sense {RNA} genomes, but a few have single-stranded {DNA} genomes. {T}he studies show that extant populations of these viral species are only decades to centuries old. {T}he genera in which they are placed have diverged since agriculture was invented and spread around the world during the {H}olocene period. {W}e suggest that this is not mere coincidence but evidence that the conditions generated by agriculture during this era have favoured particular viruses. {T}here is also evidence, albeit less certain, that some plant viruses, including a few shown to have measurably evolving populations, have much more ancient origins. {W}e discuss the possible reasons for this clear discordance between short- and long-term evolutionary rate estimates and how it might result from a large timescale dependence of the evolutionary rates. {W}e also discuss briefly why it is useful to know the rates of evolution of plant viruses.}, keywords = {}, booktitle = {}, journal = {{J}ournal of {G}eneral {V}irology}, volume = {91}, numero = {{P}art 1}, pages = {13--22}, ISSN = {0022-1317}, year = {2010}, DOI = {10.1099/vir.0.015925-0}, URL = {https://www.documentation.ird.fr/hor/fdi:010049225}, }