APPLICATIONS OF OSAGO18 PROTEIN OR CODING GENE THEREOF IN REGULATING RESISTANCE OF PLANT AGAINST RICE DWARF VIRUS OR VIRUSES OF SAME FAMILY

摘要

Provided are applications of an OsAGO18 protein or a coding gene thereof or a recombinant vector containing the coding gene in increasing the resistance of a plant against viral infection induced by the rice dwarf virus or viruses of same family. The amino acid sequence of the OsAGO18 protein is specifically either sequence 2 or sequence 4 in the sequence table. The resistance of the plant is enhanced with OsAGO18 gene overexpression, and in contrast, the resistance of ago18 mutant is weakened, thus showing that the OsAGO18 protein encoded with the gene provides an important effect in the resistance of the plant against the viral infections induced by the rice dwarf virus or the viruses of same family.