Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download EPSP synthase
Document related concepts
Proteolysis wikipedia , lookup
Nucleic acid analogue wikipedia , lookup
Point mutation wikipedia , lookup
Peptide synthesis wikipedia , lookup
Citric acid cycle wikipedia , lookup
Fatty acid synthesis wikipedia , lookup
Fatty acid metabolism wikipedia , lookup
Plant nutrition wikipedia , lookup
Protein structure prediction wikipedia , lookup
Plant breeding wikipedia , lookup
Genetic code wikipedia , lookup
Biochemistry wikipedia , lookup
Transcript
Lecture13 Herbicide resistant plants The Roundup Ready Story • Glyphosate is a broad-spectrum herbicide • Active ingredient in Roundup herbicide • Kills all plants it come in contact with • Inhibits a key enzyme (EPSP synthase) in an amino acid pathway • Plants die because they lack the key amino acids • A resistant EPSP synthase gene allows crops to survive spraying Roundup Sensitive Plants Shikimic acid + Phosphoenol pyruvate + Glyphosate Plant EPSP synthase X 3-Enolpyruvyl shikimic acid-5-phosphate (EPSP) Without amino acids, plant dies X X Aromatic amino acids X Roundup Resistant Plants Shikimic acid + Phosphoenol pyruvate + Glyphosate Bacterial EPSP synthase RoundUp has no effect; enzyme is resistant to herbicide 3-enolpyruvyl shikimic acid-5-phosphate (EPSP) With amino acids, plant lives Aromatic amino acids
