Chapter 11a - The Diversity of Prokaryotic Organisms Chapter 11 Domains Bacteria and Archaea One circular chromosome not in a membrane 70S

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The Diversity of Prokaryotic Organisms Chapter 11
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Domains Bacteria and Archaea One circular chromosome not in a membrane 70S ribosomes No membrane-bound organelles Binary fission rRNA provides evidence of phylogenic differences between the 2 Domains
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Proteobacteria Includes most of the gram-negative bacteria Phylogeny based on rRNA studies Common photosynthetic ancestor few are still photosynthetic Mythical Greek god, Proteus Largest taxonomic group of bacteria Subgroups are designated by Greek letters Domain Bacteria
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The α (alpha) Proteobacteria Some grow at low nutrient levels Some have unusual morphology Many are agriculturally important Includes medically important genra
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Human pathogens: Bartonella - bacillus Cat-scratch disease Brucella – non-motile coccobacilli Brucellosis Obligate intracellular parasite : Rickettsia – bacillus or coccobacilli
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This note was uploaded on 02/21/2008 for the course BIOLOGY 380 taught by Professor Littlejohn during the Spring '06 term at University Of Southern Mississippi .

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Chapter 11a - The Diversity of Prokaryotic Organisms Chapter 11 Domains Bacteria and Archaea One circular chromosome not in a membrane 70S

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