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- Origins, Diversity and Persistence
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1. Plastid structure: development and differentiation
- Dr. Kevin Pyke
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2. Origin and molecular evolution of the plastid
- Prof. Debashish Bhattacharya
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3. The chloroplast genome and chloroplast gene expression
- Prof. Christopher Howe
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4. Regulation of chloroplast gene expression: light activated translation
- Prof. Stephen Mayfield
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5. Protein synthesis in plastids
- Dr. William Zerges
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6. The chloroplast proteome
- Dr. Julian Whitelegge
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7. Protein import into chloroplasts
- Dr. Ute Vothknecht
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8. Assembly of the photosynthesis apparatus
- Prof. J. Kenneth Hoober
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9. Plastid senescence
- Prof. Howard Thomas
- Biosynthetic Support of the Biosphere
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10. Photosynthesis: energy capture
- Prof. Robert Blankenship
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11. Photosynthesis: carbon assimilation
- Prof. Richard Leegood
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12. Regulation of photosynthetic carbon metabolism
- Prof. Louise Anderson
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13. Pigments: chlorophyll and its synthesis
- Prof. Wolfhart Rudiger
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14. Carotenoid functions and other isoprenoids in plants
- Prof. Elisabeth Gantt
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15. Chloroplast lipid biosynthesis
- Prof. Christoph Benning
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16. Amino acid synthesis in chloroplasts
- Prof. Peter Lea
- Prof. Paulo Mazzafera
- Dr. Ricardo Azevedo
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17. Responses of chloroplasts to stress conditions
- Dr. Ron Mittler
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18. Chloroplast genetic engineering
- Prof. Henry Daniell
- Archived Lectures *These may not cover the latest advances in the field
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19. The chloroplast genome and chloroplast gene expression
- Prof. Christopher Howe
Printable Handouts
Navigable Slide Index
- Introduction
- Amino acids are synthesized in plastids
- The N cycle
- Nitrogen uptake in plants
- The enzymes nitrate and nitrite reductase
- Formation of ammonia in the plastids
- Importing proteins to chloroplast
- General amino acid structure
- Plants have 20 amino acids
- Overview of the amino acids biosynthesis
- Aspartate, branched chain and aromatic pathways
- Aspartate pathway
- The synthesis of the branched chain amino acids
- Biosynthesis of aromatic amino acids
- The chorismate biosynthesis
- Biosynthesis of phenylalanine and tyrosine (1)
- Biosynthesis of phenylalanine and tyrosine (2)
- The biosynthesis of tryptophan (1)
- The biosynthesis of tryptophan (2)
- Final considerations
- References
Topics Covered
- Nitrate and ammonium uptake
- Ammonium assimilation
- Synthesis of aspartate-dependent amino acids
- Synthesis of branched chain amino acids
- Synthesis of aromatic amino acids
- Regulation of amino acid metabolism
Talk Citation
Lea, P., Mazzafera, P. and Azevedo, R. (2007, October 1). Amino acid synthesis in chloroplasts [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved April 19, 2025, from https://doi.org/10.69645/NKLQ5118.Export Citation (RIS)
Publication History
- Published on October 1, 2007
Financial Disclosures
- Prof. Peter Lea has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.
- Prof. Paulo Mazzafera has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.
- Dr. Ricardo Azevedo has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.
Amino acid synthesis in chloroplasts

Published on October 1, 2007
31 min