光合作用综述

• Thermodynamics of photosynthesis
• Chlorophyll fluorescence
• Regulation of photosynthesis
• The C4 and CAM photosynthesis
• Evolution of photosynthesis
Photosynthesis Lecture 1
PICB
Contents
• The role of photosynthesis in solving the food, energy and environmental problems
• Can we improve photosynthesis • The Calvin cycle
• Nobel prizes in photosynthesis research
Schematic diagram of plant primary metabolism
WIMOVAC Model Structure
Source references:
Plants, Genes & Biotechnology. (2002) (Eds. Chrispeels, MJ & Sadava, DE). American Society for Plant Biology/Jones & Bartlett Publishers, Boston. Ort, D.B. & Long, S.P. Converting solar energy into crop production. Pp. 240269.
• The Farquhar model and gas exchange measurement, practical exercises
• Canopy photosynthesis and food production
• Interaction between photosynthesis and respiration
• Interaction between photosynthesis and nitrogen metabolism
• Light reactions – PSII, reaction centers
• Light reactions -- PSI and ATP synthase
• Light harvesting and photoprotection
What ec is achieved in the field?
• The higeason:
– C3: 2.4% – C4: 3.7%
• Common ec over a whole growing season:
– < 0.5%
Reviewed in: Zhu et al (2008) Current Opinion in Biotechnology
Sadava, D.E. Human Population Growth: Lessons from Demography. Pp. 1-21 Pardey, P.G. & Wright, B.D. Agricultural R&D, productivity, and global food prospects. Pp. 22-51
• Photosynthesis and global climate change (stress)
• Design new crops
• Bioenergy and photosynthesis
• Measurement techniques in photosynthesis research
UN Food and Agriculture Organisation (FAO). World Food Production Statistics. /
IPCC Climate Change 2007: The Physical Science Basis. Summary for Policy makers. http://www.ipcc.ch
Zhu, Ort and Long （2010） Improving photosynthetic efficiency for greater yields. Annual Review of Plant Biology 51: 235-261.
2020
演讲完毕 谢谢观看
IPCC 2007
Science Policy, 2008, Royal Society
Plant Gene and Biotechnology 2002
Plant Gene and Biotechnology 2002
Long et al 2006
Can photosynthesis and productivity be improved?
Plant Gene and Biotechnology 2002
Plant Gene and Biotechnology 2002
Plant Gene and Biotechnology 2002
4.6%
6%
Zhu et al (2008) Current Opinion in Biotechnology
• Calvin cycle • C2 pathway and bypass
The Lectures
• Guard cell and stomata conductance
• Mesophyll conductance
• Transport of photosynthetic assimilate