Prokaryotic Diversity 18 Phyla? 80 Phyla – uncultured Aquiflex – most phylogenetic ancient Thermophiles – ancient? Fig. 15-1 Deferribacter Cytophaga Flavobacteria Spirochetes Planctomyces/ Pirellula Verrucomicrobia Green sulfur bacteria Deinococci Green nonsulfur bacteria Chlamydia Cyanobacteria Thermotoga Actinobacteria Gram-positive bacteria Thermodesulfobacterium Nitrospira Aquifex Proteobacteria Proteobacteria Largest and most metabolically diverse Purple Sulfur Bacteria Use Hydrogen sulfide α, β, γ subdivisions Purple Nonsulfur Bacteria Photoheterotrophy Aerobic respiration Nitrifying bacteria Chemolithotrophs Nitrosomonas, Nitrobacter Sulfur Oxidizing Bacteria Thiobacillus, Beggiatoa Sulfuric acid produced Methanotrophs Anaerobic Archaea –not bacteria Aerobic Chemoorganotrophs Pseudomonas and pseudomonads Pseudomonads Common genera: Pseudomonas, Xanthomonas, Burkholderia, Gluconobacter Metabolically diverse -100 substrates Plant and human pathogens Fluorescent - burn patients Burkholderia - ganders Xanthomonas – soft root vegetables Zymomonas Ferments Alcohol production in the tropic Acetic Acid Bacteria Acetobacter, Gluconobacter Alcohol → Acetic acid and Cellulose? Nitrogen Fixing Bacteria Azotobacter, Beijerinckia Nitrogenase is oxygen sensitive Cysts, capsule, and poly-β-hydroxybuytrate Neisseria and Relatives Neisseria, Acinetobacter, Chromobacterium, Moraxella Some human pathogens Most oxidase positive Enteric Bacteria Escherichia, Salmonella, Proteus, Enterobacter Facultative anaerobes, peritrichous flagella, Gut flora, human pathogens Escherichia Universal inhabitant of warm blooded animals Vitamin synthesis Rarely pathogenic Salmonella and Shigella Usually pathogenic Salmonella found in some cold blood animals Proteus swarming Butandiol fermenters Enterobacter, Klebsiella, Serratia Vibrio and Photobacterium Oxidase positive Polar flagella Fermentative Aquatic Bioluminescent Rickettsia Small intracellular parasites Human diseases Arthropod vectors Morphologically Unusual Proteobacteria Spirillum, Budding Bacteria, Sphaerotilus, Bdellovibrio Gliding Myxobacteria Form multicellular fruiting bodies Glide with slime trails Sulfate Reducing Bacteria 40 genera Anaerobes Anaerobic respiration Desulfovibrio Epsilonproteobacteria Human Pathogens Campylobacter, Helicobacter Abundant in the environment Hydrothermal vents Epibionts of tube worm and shrimp Word List Aquiflexus 18-80 phyla Proteobacteria Purple sulfur bacteria Purple non-sulfur bacteria Nitrifying bacteria Sulfur oxidizing bacteria Methanotrophs Pseudomonads Pseudomonas Fluorescent Xanthomonas Zymomonas Acetic acid bacteria Nitrogen fixing bacteria Azotobacter Beijerinckia Neisseria Enteric Escherichia Salmonella Shigella Proteus Vibrio Rickettsia Word list 2 Sphaerotilus Bdellovibrio Myxobacteria Desulfovibrio Epsilonproteobacteria Epibionts
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