Modification of plant nutrient content

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Lecture 16 17

• Modification of plant nutrient content

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The Golden Rice Story

• Vitamin A deficiency is a major health problem

• Causes blindness
• Influences severity of diarrhea, measles

• gt100 million children suffer from the problem

• For many countries, the infrastructure doesnt
  exist
• to deliver vitamin pills

• Improved vitamin A content in widely consumed
  crops
• an attractive alternative

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?-Carotene Pathway Problem in Plants
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The Golden Rice Solution
?-Carotene Pathway Genes Added
Daffodil gene
Single bacterial gene performs both functions
Daffodil gene