@article{PAR00009532, title = {{T}he small {RNA}-based odyssey of epigenetic information in plants : from cells to species}, author = {{M}irouze, {M}arie}, editor = {}, language = {{ENG}}, abstract = {{I}n the past years a plethora of roles for small {RNA}s (s{RNA}s) have been revealed in developmental biology, physiology, pathogen interactions, and more recently in genome stability and transposon control. s{RNA}s have a repressive impact on gene expression by directly interfering with endogenous m{RNA}s or virus {RNA}, or by maintaining heterochromatin. {I}n plants, the most abundant s{RNA}s are by far the ones produced from heterochromatic loci and playing a role in epigenetic regulation. {H}ere, {I} review some specific examples of the roles of these s{RNA}s belonging to the class of small interfering {RNA}s (si{RNA}s) in controlling the epigenetic regulation of the genome. {I} will highlight their role as mediators of epigenetic information at various organization levels: between two alleles within a single cell, two tissues within an organism, two individuals or two generations within a species, and even two species within a kingdom.}, keywords = {}, booktitle = {}, journal = {{DNA} and {C}ell {B}iology}, volume = {31}, numero = {12}, pages = {1650--1656}, ISSN = {1044-5498}, year = {2012}, DOI = {10.1089/dna.2012.1681}, URL = {https://www.documentation.ird.fr/hor/{PAR}00009532}, }