Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation prepared by Christine L. Case Microbiology B.E Pruitt & Jane J. Stein AN INTRODUCTION EIGHTH EDITION TORTORA FUNKE CASE Chapter 11, part B The Prokaryotes: Domains Bacteria and Archaea
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings The Nonproteobacteria Gram-Negative Bacteria
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Oxygenic photosynthesis Gliding motility Fix nitrogen Cyanobacteria
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Cyanobacteria Figure 11.12a-c
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Anoxygenic photosynthesis Purple and green sulfur bacteria Purple and Green Photosynthetic Bacteria 2H 2 O + CO 2 light (CH 2 O) + H 2 O + O 2 2H 2 S + CO 2 light (CH 2 O) + H 2 O + 2S 0
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings C. trachomatis Trachoma STD, urethritis C. pneumoniae C. psittaci Causes psittacosis Chlamydiae
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings In Bergey's Manual, Volume 5 Figure 11.22a
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings In Bergey's Manual, Volume 5 Figure 11.22b
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Borrelia Leptospira Treponema Spirochaetes Figure 11.23
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Anaerobic Bacteroides. In mouth and large intestine Cytophaga. Cellulose-degrading in soil Bacteroidetes
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Fusobacterium Found in mouth May be involved in dental diseases Fusobacteria Figure 11.24
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Low G + C Gram-positive Firmicutes
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Clostridium Endospore- producing Obligate anaerobes Epulopiscium Clostridiales Figure & 15
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Bacillus Endospore-producing rods Bacillales Figure 11.16b
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Staphylococcus Cocci Bacillales Figure 1.17
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Generally aerotolerant anaerobes, lack an electron- transport chain Lactobacillus Streptococcus Enterococcus Listeria Lactobacillales Figure 11.18
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Wall-less, pleomorphic µm M. pneumoniae Mycoplasmatales Figure 11.19a, b
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings High G + C Gram-positive Actinobacteria
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Actinomyces Corynebacterium Frankia Gardnerella Mycobacterium Nocardia Propionibacterium Streptomyces Actinobacteria Figure 11.20b
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Hyperthermophiles Pyrodictium Sulfolobus Methanogens Methanobacterium Extreme halophiles Halobacterium Domain Archaea Figure 11.25
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Bacteria size range Thiomargarita (750 µm) to nanobacteria (0.02 µm) in rocks Microbial Diversity Figure 11.26
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings PCR indicates up to 10,000 bacteria/gm of soil. Many bacteria have not been identified or characterized because they: Haven't been cultured Need special nutrients Are part of complex food chains requiring the products of other bacteria Need to be cultured to understand their metabolism and ecological role Microbial Diversity