RT Journal Article T1 A virus-targeted plant receptor-like kinase promotes cell-to-cell spread of RNAi A1 Rosas Díaz, A1 Dan, Zhanga A1 Fan, Pengfei A1 Liping, Wang A1 Xue, Ding A1 Yuli, Jiang A1 Jiménez-Góngora, Tamara A1 Medina-Puche, Laura A1 Xinyan, Zhao A1 Zhengyan, Feng A1 Guiping, Zhang A1 Xiaokun, Liuc A1 Rodríguez-Bejarano, Eduardo A1 Li, Tana A1 Heng, Zhang A1 Jian-Kang, Zhua A1 Weiman, Xinga A1 Faulkner, Christine A1 Shingo, Nagawa A1 Lozano Durán, Rosa K1 Virus fitopatógenos AB RNA interference (RNAi) in plants can move from cell to cell, allowing for systemic spread of an antiviral immune response. How this cell-to-cell spread of silencing is regulated is currently unknown. Here, we describe that the C4 protein from Tomato yellow leaf curl virus can inhibit the intercellular spread of RNAi. Using this viral protein as a probe, we have identified the receptor-like kinase (RLK) BARELY ANY MERISTEM 1 (BAM1) as a positive regulator of the cell-to-cell movement of RNAi, and determined that BAM1 and its closest homolog, BAM2, play a redundant role in this process. C4 interacts with the intracellular domain of BAM1 and BAM2 at the plasma membrane and plasmodesmata, the cytoplasmic connections between plant cells, interfering with the function of these RLKs in the cell-to-cell spread of RNAi. Our results identify BAM1 as an element required for the cell-to-cell spread of RNAi and highlight that signaling components have been coopted to play multiple functions in plants. PB PNAS YR 2018 FD 2018-01-23 LK https://hdl.handle.net/10630/34181 UL https://hdl.handle.net/10630/34181 LA eng NO Tabata Rosas-Diaz, Dan Zhang, Pengfei Fan, Liping Wang, Xue Ding, Yuli Jiang, Tamara Jimenez-Gongora, Laura Medina-Puche, Xinyan Zhao, Zhengyan Feng, Guiping Zhang, Xiaokun Liu, Eduardo R. Bejarano, Li Tan, Heng Zhang, Jian-Kang Zhu, Weiman Xing, Christine Faulkner, Shingo Nagawa, and Rosa Lozano-Duran. A virus-targeted plant receptor-like kinase promotes cell-to-cell spread of RNAi. Proceedings of the National Academy of SciencesVol. 115, No. 6. doi:10.1073/pnas.171555611 DS RIUMA. Repositorio Institucional de la Universidad de Málaga RD 4 mar 2026