Japan Tobacco Inc.

Akira Shinjo

Yoshimitsu Takakura

Kazuharu Koga

Hisashi Udagawa

In order to provide tobacco resistant to a virus, tobacco in accordance with the present invention is arranged such that: (i) a translation initiation factor eIF(iso)4E protein which is non-functional with respect to a virus is produced or (ii) expression of a translation initiation factor eIF(iso)4E gene is suppressed; and (a) a translation initiation factor eIF4E2 protein, which is non-functional with respect to a virus, is produced or (b) expression of a translation initiation factor eIF4E2 gene is suppressed.

Virus-resistant tobacco and breeding method therefor

A virus-resistant tobacco in accordance with the present invention is such that it includes a mutation in a translation initiation factor eIF(iso)4E gene, the mutation causing production of an eIF(iso)4E protein which is non-functional with respect to a virus or suppressing expression of the eIF(iso)4E gene, or a virus-resistant tobacco in accordance with the present invention is such that an expression level of the eIF(iso)4E gene is 20% or lower as compared to a wild type.

Growing community of inventors

Tokyo, Japan

Akira Shinjo