Maize streak virus-resistant transgenic maize: A first for Africa
Shepherd, D. N., Mangwende, T., Martin, D. P., Bezuidenhout, M., Kloppers, F. J., Carolissen, C. H., Monjane, A. L., Rybicki, E. P., & Thomson, J. A. (2007) Maize streak virus-resistant transgenic maize: A first for Africa. Plant Biotechnology Journal, 5(6), pp. 759-767.
In this article, we report transgene-derived resistance in maize to the severe pathogen maize streak virus (MSV). The mutated MSV replication-associated protein gene that was used to transform maize showed stable expression to the fourth generation. Transgenic T 2 and T 3 plants displayed a significant delay in symptom development, a decrease in symptom severity and higher survival rates than non-transgenic plants after MSV challenge, as did a transgenic hybrid made by crossing T 2 Hi-II with the widely grown, commercial, highly MSV-susceptible, white maize genotype WM3. To the best of our knowledge, this is the first maize to be developed with transgenic MSV resistance and the first all-African-produced genetically modified crop plant. © 2007 The Authors.
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|Item Type:||Journal Article|
|Additional Information:||Cited By (since 1996): 15
Export Date: 12 November 2012
|Keywords:||African biotechnology, Geminivirus, Maize streak virus, Maize streak virus-resistant maize, Maize yield improvement, Pathogen-derived resistance, Transgenic maize|
|Deposited On:||20 Nov 2012 02:46|
|Last Modified:||29 May 2013 16:53|
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