Research in Plant Disease 2009;15(3):202-208.
Published online December 30, 2009.
혹명나방 저항성벼(Cry1Ac1)의 병해 저항성 및 병원균으로의 유전자 전이
남효송, 심홍식, 유상미, 이세원, 권순종, 김명곤, 이용훈
 
Evaluation of Disease Resistance of a Leaffolder-resistant (Cry1Ac1) Rice Event and Gene Transfer to Plant Pathogens
Hyo Song Nam, Hong Sik Shim, Sang Mi Yu, Se Won Lee, Soon Jong Kwon, Myung Kon Kim, Yong Hoon Lee
Abstract
The genetically modified leaffolder-resistant (Cry1Ac1) rice plant was evaluated for the changes of resistance by comparing the occurrence of major diseases with a japonica type Korean rice variety, Nakdong which was the mother plant of the transgenic rice event, in greenhouse and field conditions. There was no difference in the occurrence of sheath blight and Helminthosporium blight between the two varieties in the fields. We couldn`t find any difference of resistance for fungal blast and bacterial leaf blight by artificial inoculation in greenhouse. There was also no difference in the susceptibility to sheath blight in artificial inoculation tests confirming the results in the fields. The possibility of gene transfer of Bar and Cry1Ac1 from the genetically modified rice plant to naturally infected pathogens such as Fusarium moniliforme and Pyricularia oryzae in the field conditions was tested by PCR. And the possible transfer of those genes by continuous inoculation of Xanthomonas oryzae pv. oryzae and Rhizoctonia solani was also tested. However, we couldn`t find any possibility of transfer of the genes in natural and artificial conditions.
Key Words: Event, Gene transfer, GMO, Leaffolder


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