TY - RPRT TI - AGO4 is specifically required for heterochromatic siRNA accumulation at Pol V-dependent loci in Arabidopsis thaliana AU - Feng Wang AU - Michael J Axtell PY - 2016 DO - 10.1101/078394 UR - https://www.biorxiv.org/content/10.1101/078394v1 ID - 10.1101/078394 ER -