Transgenic sweet orange plants expressing a dermaseptin coding sequence show reduced symptoms of citrus canker disease
- Furman, Nicolas
- Kobayashi, Ken
- Zanek, Maria Cecilia
- Calcagno, Javier Angel
- Garcia, Maria Laura
- Mentaberry, Alejandro Nestor
DOIAbstract
Citrus canker provoked by Xanthomonas axonopodis pv. citri is a bacterial disease causing severe losses in all citrus-producing areas around the world. Xanthomonas infection is considered as an endemic disease in Northeast and Northwest Argentina, affecting as much as 10% of commercial citrus plantations. There is not known natural resistance neither in orange varieties nor in rootstocks used for grafting of commercial cultivars. To introduce resistance to this disease, plants of Pineapple sweet orange were transformed with a genetic construct allowing constitutive accumulation of dermaseptin. In comparison with non-transformed plants, transgenic plants showed symptom reduction levels of up to 50% in in planta assays performed under control...
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