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Research Project: Transformation of Peanut for Improved Resistance to Preharvest Infection by Aspergillus Flavus

Location: Food and Feed Safety Research

Project Number: 6435-42000-016-03
Project Type: Specific C/A

Start Date: Sep 17, 2001
End Date: Jul 15, 2006

Objective:
Improve peanut transformation protocols to enhance the recovery of fertile transgenic plants. Transform peanut with new generation of synthetic gene encoding cecropin analogs.

Approach:
The gene transfer system for stable transformation of peanut will be improved to enhance recovery of transgenic peanut. Mature rather than immature embryos will be transformed with antifungal genes. The time over which cultures are carried prior to transformation will be greatly reduced. Regeneration and rooting protocols have been modified resulting in a reduction of time required for flowering following the biolistic bombardment technique for plant transformation. This results in significant improvement in fertility which was a problem in the previous project. Experiments will be initiated to transform peanut with new versions of synthetic antifungal peptides with improved antifungal activity against Aspergillus flavus. Peanuts transformed with stably expressed peptide genes should enhance host plant resistance to invasion by A. flavus and coincident aflatoxin contamination of peanut by this fungus.

 
Project Team
Cleveland, Thomas
Arthur Weissinger - Assistant Professor (504)286-4530

Project Annual Reports
  FY 2003
  FY 2002
  FY 2001

Related National Programs
  Food Safety, (animal and plant products) (108)

 
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