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

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