Transgenic tobacco plants overexpressing chitinases of fungal origin show enhanced resistance to biotic and abiotic stress agents.

@article{Dana2006TransgenicTP,
  title={Transgenic tobacco plants overexpressing chitinases of fungal origin show enhanced resistance to biotic and abiotic stress agents.},
  author={Mar{\'i}a de las Mercedes Dana and J. A. Pintor-Toro and Beatriz Cubero},
  journal={Plant physiology},
  year={2006},
  volume={142 2},
  pages={722-30}
}
Genes encoding defense-related proteins have been used to alter the resistance of plants to pathogens and other environmental challenges, but no single fungal gene overexpression has produced broad-spectrum stress resistance in transgenic lines. We have generated transgenic tobacco (Nicotiana tabacum) lines that overexpress the endochitinases CHIT33 and CHIT42 from the mycoparasitic fungus Trichoderma harzianum and have evaluated their tolerance to biotic and abiotic stress. Both CHIT33 and… CONTINUE READING

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