Plant Pathology Department


Date of this Version

March 1996


U.S. Patent, Patent Number: 5,500,360.


A + strand RNA viral transformation of host organisms with foreign RNA, and expression of said foreign RNA. The foreign RNA is inserted into an infective RNA viral segment containing replication elements, and allowed to infect the host organism. The invention is exemplified utilizing brome mosaic RNA modified to contain a gene coding for chloramphenicol acetyl transferase (CAT) in the transformation of barley protoplasts.