上泽充通大￥ Shanghai Jiao Tong University 1896 1920 1987 2006 Lecture 13-1 Metabolic Diversity:Phototrophy 微生物代谢的多样性：光合生物 Chapter 13 in BROCK BIOLOGY OF MICROORGANISMS Chen Feng School of Life Science and Biotechnology Shanghai Jiao Tong University
1896 1920 1987 2006 Lecture 13-1 Metabolic Diversity: Phototrophy 微生物代谢的多样性：光合生物 Chen Feng School of Life Science and Biotechnology Shanghai Jiao Tong University Chapter 13 in BROCK BIOLOGY OF MICROORGANISMS
ALL ORGANISMS Chemotrophs Phototrophs (use chemical compounds (use light as energy source) as energy source Chemolithotrophs Chemoorganotrophs use inorganic chemicals (use organic chemicals) Chemolithoautotrophs Mixotrophs Photoautotrophs Photoheterotrophs C=C02 C=Organic C-C02 C=Organic Chen Feng,Microbiology,SJTU
Chen Feng, Microbiology, SJTU
I.The Phototrophic Way of Life 13.1 Photosynthesis Photosynthesis is the conversion of light energy to chemical energy光合作用：将光能转化为化学能的过程 ·Phototrophs carry out photosynthesis光能营养型生物 ·Most phototrophs are also autotrophs自养型生物 Photosynthesis requires light-sensitive pigments called chlorophylls_光合作用需要叶绿素 Photoautotrophy requires ATP production and CO2 reduction光能自养生物 Chen Feng,Microbiology,SJTU
Chen Feng, Microbiology, SJTU I. The Phototrophic Way of Life 13.1 Photosynthesis Photosynthesis is the conversion of light energy to chemical energy光合作用: 将光能转化为化学能的过程 • Phototrophs carry out photosynthesis 光能营养型生物 • Most phototrophs are also autotrophs 自养型生物 Photosynthesis requires light-sensitive pigments called chlorophylls 光合作用需要叶绿素 Photoautotrophy requires ATP production and CO2 reduction光能自养生物
Carbon source- photoautotroph-CO2光能自养型 a photoheterotroph-.organic carbon光能异养型 PHOTOTROPHS (all use light as energy source) Use CO2 Use organic carbon Photoautotrophs Photoheterotrophs 2012 Pearson Education.Inc. Chen Feng,Microbiology,SJTU
Chen Feng, Microbiology, SJTU Carbon source- photoautotroph -CO2光能自养型 photoheterotroph-organic carbon光能异养型
Reducing power还原力 Green plants,algae,and cyanobacteria use H2O as a source of reducing power to reduce NADP+to NADPH and produce O2 as a by-product.绿色植物，藻类，蓝细 菌以水为电子供体，产生02为副产物 Some phototrophic bacteria obtain reducing power from other electron donors,typically reduced sulfur sources (H2S,S,S2032)orH2.某些光合细菌以还原性硫化 物或氢为电子供体 Photosynthesis Chen Feng,Microbiology,SJTU
Chen Feng, Microbiology, SJTU Reducing power 还原力 Green plants, algae, and cyanobacteria use H2O as a source of reducing power to reduce NADP+ to NADPH and produce O2 as a by-product.绿色植物,藻类,蓝细 菌以水为电子供体,产生O2为副产物. Some phototrophic bacteria obtain reducing power from other electron donors, typically reduced sulfur sources (H2S, S0 , S2O3 2- ) or H2 .某些光合细菌以还原性硫化 物或氢为电子供体 Photosynthesis