The Plant Pathology Journal 2003;19(1):51-56.
Published online February 28, 2003.
Antifungal Gene (Rs-AFP) Introduction into Rehmannia glutinosa and Gene Expression Mediated by Agrobacterium tumefaciens
Jung Dae Lim, Eun Soo Seong, Youn Su Lee, Young Am Chae, Chang Yeon Yu
Abstract
Rehmannia glutinosa is one of the most important medicinal crops in Korea. However, various plant pathogens, including Fusarium spp., cause great damage on R. glutinosa and result in enormous economic losses. This study was conducted to breed Fusarium-resistant plants by using Agrobacterium tumefaciences and AFP (antifungal protein) gene. The plant material used was a native accession of R. glutinosa. The PCR analysis was conducted to verify transgenicity. Based on the PCR analysis, nptII band was observed in transgenic plant genome. Southern blot and AFP protein analyses also showed the expression of this gene in transgenic plants. Expression of AFP in transgenic plants offers the possibility of developing resistance to fungal infection.
Key Words: Agrobacterium tumefaciens, Rehmannia glutinosa, Radish seed antifungal protein
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