Chapter 11,part A The Prokaryotes: Domains Bacteria and Archaea
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings B.E Pruitt & Jane J. Stein Chapter 11, part A The Prokaryotes: Domains Bacteria and Archaea
The Prokaryotes: Domains Bacteria and Archaea One circular chromosome,not in a membrane 。No histones ·No organelles Peptidoglycan cell walls 。Binary fission
The Prokaryotes: Domains Bacteria and Archaea • One circular chromosome, not in a membrane • No histones • No organelles • Peptidoglycan cell walls • Binary fission
Domain Bacteria Cause disease in humans 。Proteobacteria Obligate Live in insects intracellular + parasite ·Mythical Wolbachia Have prosthecae Greek god, Cause Survive in spotted phagocytes Proteus,who Caulobacter Chemoautotrophic fevers + Hyphomicrobium 入 could Brucella Bartonella Plant Nitrobacter Rickettsia Ehrlichia assume pathogen many shapes Agrobacterium Fix nitrogen Gram- × In legume Acetobacter S negative roots Gluconobacter Rhizobium Azospirillum
• Proteobacteria • Mythical Greek god, Proteus, who could assume many shapes • Gramnegative Domain Bacteria
The o (alpha)Proteobacteria 。Human pathogens: 。Bartonella 。B.hensela Cat-scratch disease 。Brucella Brucellosis
• Human pathogens: • Bartonella • B. hensela Cat-scratch disease • Brucella Brucellosis The (alpha) Proteobacteria
The a (alpha)Proteobacteria Obligate intracellular parasites: Ehrlichia.Tick-borne,ehrlichiosis Rickettsia.Arthropod-borne,spotted fevers R.prowazekii Epidemic typhus ·R.typhi Endemic murine typhus 。R.rickettsii Rocky Mountain Spotted Fever
• Obligate intracellular parasites: • Ehrlichia. Tick-borne, ehrlichiosis • Rickettsia. Arthropod-borne, spotted fevers • R. prowazekii Epidemic typhus • R. typhi Endemic murine typhus • R. rickettsii Rocky Mountain Spotted Fever The (alpha) Proteobacteria