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- Title
Maize streak virus-resistant transgenic maize: a first for Africa.
- Authors
Shepherd, Dionne N; Mangwende, Tichaona; Martin, Darren P; Bezuidenhout, Marion; Kloppers, Frederik J; Carolissen, Charlene H; Monjane, Adérito L; Rybicki, Edward P; Thomson, Jennifer A
- Abstract
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 T2 and T3 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 T2 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.
- Publication
Plant biotechnology journal, 2007, Vol 5, Issue 6, p759
- ISSN
1467-7652
- Publication type
Journal Article
- DOI
10.1111/j.1467-7652.2007.00279.x