Figure 17.2 16S rRNA Gene Tree of Proteobacteria Proteobacterial Classes Bacillus Nitrosococcus Thermochromatium Acidithiobacillus Beggiatoa Gamma Pseudomonas Vibrio Escherichia Methylobacter Gallionella Nitrosomonas Methylophilus Derxia Ralstonia Beta Spirillum Rhodocyclus -Thiobacillus Neisseria Methylobacterium Nitrobacter Rhodopseudomonas Beijerinckia Alpha Paracoccus Azotobacter Rickettsia Acetobacter Mariprofundus I Zeta Campylobacter Sulfurimonas Epsilon Thiovulum Wolinella Desulfosarcina Desulfovibrio Delta Myxococcus Nitrospina Major metabolisms Chemolithotrophy Anoxygenic phototrophy Sulfur compounds(H2s,s°，etc) Methylotrophy Ferrous iron(Fe2+) Sulfate reduction Ammonia(NH3)or nitrite(NO2) Nitrogen fixation Hydrogen(H2) 2012 Pearson Education,Inc
Figure 17.2 16S rRNA Gene Tree of Proteobacteria Proteobacterial Classes Major metabolisms Chemolithotrophy Bacillus Nitrosococcus Thermochromatium Acidithiobacillus Beggiatoa Pseudomonas Vibrio Escherichia Gamma Methylobacter Gallionella Nitrosomonas Methylophilus Derxia Ralstonia Beta Spirillum Rhodocyclus Thiobacillus Neisseria Methylobacterium Nitrobacter Rhodopseudomonas Beijerinckia Alpha Paracoccus Azotobacter Rickettsia Acetobacter Mariprofundus Campylobacter Zeta Sulfurimonas Thiovulum Epsilon Wolinella Desulfosarcina Desulfovibrio Delta Myxococcus Nitrospina Anoxygenic phototrophy Nitrogen fixation Sulfate reduction Methylotrophy Sulfur compounds (H2S, S0 , etc.) Ferrous iron (Fe2 ) Ammonia (NH3 ) or nitrite (NO2 ) Hydrogen (H2 ) © 2012 Pearson Education, Inc
H.Phototrophic,Chemolithotrophic,and Methanotrophic Proteobacteria 17.2 Purple Phototrophic Bacteria 17.3 The Nitrifying Bacteria 17.4 Sulfur-and Iron-Oxidizing Bacteria 17.5 Hydrogen-Oxidizing Bacteria 17.6 Methanotrophs and Methylotrophs CHEN FENG,MICROBIOLOGY,SJTU
Chen Feng, Microbiology, SJTU II. Phototrophic, Chemolithotrophic, and Methanotrophic Proteobacteria • 17.2 Purple Phototrophic Bacteria • 17.3 The Nitrifying Bacteria • 17.4 Sulfur- and Iron-Oxidizing Bacteria • 17.5 Hydrogen-Oxidizing Bacteria • 17.6 Methanotrophs and Methylotrophs
17.2 Purple Phototrophic Bacteria ·Purple phototrophic bacteria紫色光合细菌 -Carry out anoxygenic photosynthesis;no O2 evolved不产氧光合作用 -Morphologically diverse group形态多样化 Genera fall within the Alpha-,Beta-,or Gammaproteobacteria CHEN FENG,MICROBIOLOGY,SJTU
Chen Feng, Microbiology, SJTU 17.2 Purple Phototrophic Bacteria • Purple phototrophic bacteria 紫色光合细菌 – Carry out anoxygenic photosynthesis; no O2 evolved 不产氧光合作用 – Morphologically diverse group 形态多样化 – Genera fall within the Alpha-, Beta-, or Gammaproteobacteria
Figure 17.3 R.rubrom R.rubrum g-9 fspheroid spherois Contain bacteriochlorophylls and carotenoid pigments 2012 Pearson Education,Inc
Figure 17.3 © 2012 Pearson Education, Inc. Contain bacteriochlorophylls and carotenoid pigments
Figure 17.4 Produce intracytoplasmic photosynthetic membranes with varying morphologies (a) 2Pearson Education,Inc
Figure 17.4 © 2012 Pearson Education, Inc. Produce intracytoplasmic photosynthetic membranes with varying morphologies