Abstract

Transgenic Plants with Increased Tolerance for Stress and Pathogens

Full Description

X99 is an animal-derived gene.  When expressed in plants, X99 confers markedly increased tolerance to both abiotic stress and pathogens.
Experimental results show that X99 plants are more tolerant to:

• Heat stress
• Salinity
• Fungal infection and fungal toxins
• Herbicides

Although they have greatly increased stress and pathogen tolerance, experimental X99 plants appear otherwise unaffected and develop normally.  This gene could potentially be used to develop crops that are herbicide tolerant, pest-resistant, and which have increased vigor and yield under stressful field conditions.

The University of California owns US and related foreign patent applications claiming X99 and transgenic organisms expressing it.  This intellectual property is available for licensing.

Images

For example, X99 tobacco plants exposed to heat stress exhibited greatly increased survival and vigor compared to wild-type plants.

X99 tomato plants inoculated with Alternaria were better able to withstand the fungal infection than wild-type plants.

Similarly, X99 tomato seedlings better withstood exposure to fumosin B1, a potent fungal toxin.

Patent Status

Inventors

• Hammock, Bruce D.
• Huang, Qihong
• Maeda, Susumu

Other Information

Contact

Barbara A. Boczar / baboczar@ucdavis.edu / tel: View Phone Number. Please reference Tech ID #11283.

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