Monerans ( Archaebacteria & Eubacteria)
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Transcript of Monerans ( Archaebacteria & Eubacteria)
Monerans (Archaebacteria &
Eubacteria)
Archaebacteria• Ancient Bacteria “Extreme Bacteria”• Prokaryotes
Eubacteria• True Bacteria• Eubacteria
Observe and Describe
Dennis Kunkel
Three Shapes of Bacteria•Bacillus •Coccus•Spirillium
Bacillus• Rod-shaped, endospore-forming aerobic or facultative
anaerobic.
http://www.ncbi.nlm.nih.gov/books/NBK7699/
Coccus• Spherical shaped bacterium.
http://global.britannica.com/EBchecked/topic/123500/coccus
Spirillium• Corkcrew-shaped bacteria or spiral.
Bacterial Arrangements
Reproduction• Binary Fission
Reproduction• Conjugation
Reproduction • Endospore
Economic Importance of Bacteria
Bioremediation
Carbon FixationFood Processing
Six Types of Microbes Based on Oxygen Requirement• Aerobe• Obligate Aerobe• Facultative Anaerobe• Microaerophile• Anaerobe• Obligate Anaerobe
Aerobes• Use O2 in its metabolism and has enzymes needed to process toxic
oxygen products.
Bacillus anthracis
Obligate Aerobe• Can’t grow in the absence of oxygen.
Mycobacterium tuberculosis
Microaerophile• Require small amount of oxygen for metabolism.
Helicobacter pylori
Anaerobe• Grow best in the absence of oxygen.
Facultative Anaerobe• Doesn’t require oxygen for
metabolism and is capable of growth in the absence of oxygen.
Staphylococcus aureus
Obligate Anaerobe• Organisms that lack enzyme to process toxic oxygen.
Clostridium tetani