Small RNA duplexes function as mobile silencing signals between plant cells
Science (2010) - Comments
pubmed: 20413458  doi: 10.1126/science.1185880  issn: 1095-9203  issn: 0036-8075 

Patrice Dunoyer, Gregory Schott, Christophe Himber, Denise Meyer, Atsushi Takeda, James C. Carrington, Olivier Voinnet