An effective and convenient method for the delivery of apple latent spherical virus (ALSV)-based vectors into plant cells by agroinoculation

Tatsuya Kon, Nubuyuki Yoshikawa
Methods in Molecular Biology 2015, 1287: 191-9
Virus infection leads to the synthesis of double-stranded RNA during virus replication, and then this infection produces small RNA molecules in the antiviral RNA silencing pathway. Here, we develop an Agrobacterium-mediated inoculation system for ALSV-based vectors. This system is more effective and convenient for inoculation of the ALSV vectors into plants compared to direct inoculation of ALSV-RNA2-based vectors in pUC plasmids reported previously. In addition, cointroduction of various plant viral RNA-silencing suppressors increased the efficiency of agroinoculation of the ALSV-based vector. An ALSV vector could be successfully used to silence an endogenous gene in plants. Therefore, the ALSV-based VIGS/agroinoculation system provides a valuable tool for functional genomics among a broad range of plant species.

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