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.

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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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37 citations in Scopus
33 citations in Web of Science®
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ID Code: 54949
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By (since 1996): 15
Export Date: 12 November 2012
Source: Scopus
Keywords: African biotechnology, Geminivirus, Maize streak virus, Maize streak virus-resistant maize, Maize yield improvement, Pathogen-derived resistance, Transgenic maize
DOI: 10.1111/j.1467-7652.2007.00279.x
Deposited On: 20 Nov 2012 02:46
Last Modified: 29 May 2013 16:53

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