Bacteria KingdomPro vs. EuUni vs. MultiAuto vs. Hetero Archaebacteria PROUNIBOTH EubacteriaPROUNIBOTH

Bacterial Structure

Bacillus – rod shaped

Spirillium – spiral shaped

Coccus – circular shaped

What Shape?

Feeding Habits What is an Autotroph?

Autotroph: Photosynthesis Produce own energy

Example: Cyanobacteria are photosynthetic

Autotroph: Chemosynthesis Use hydrogen sulfide from deep ocean vents

What is a Heterotroph?

Heterotroph: Parasitic Bacteria feeds off of the host. Bacteria benefits, host is harmed

Example: Bacillus anthracis Bacillus anthracis causes anthrax, a deadly disease in cattle and a potential bioweapon against humans. The infection is characterized by a severe hemorrhage and inflammation. The lung and skin are often involved.

Example: Staphylococcus Staphylococcus (a.k.a. staph) can cause serious infections and is one of the most drug-resistant bacteria.

Example: Streptococcus Streptococcus pneumoniae causes strep throat, meningitis, and pneumonia.

Heterotroph: Mutualistic Bacteria and the host benefit from each other If one were to die, the other would suffer or eventually die

Example: E. coli Escherichia coli (a.k.a. E. coli) lives in the gut, where it helps digest food and produces Vitamin K. The "bad" strain of E. coli O157:H7 causes severe food borne sickness.

Example: Lactobacillus bulgaricus Lactobacillus bulgaricus helps turn milk into cheese, yogurt, and other dairy products

Heterotroph: Saprophytic Bacteria consumes dead matter Bacteria functions as a decomposer

Binary fission: Asexual Reproduction, clone

Conjugation: Sexual Reproduction - Pilus extends to other bacterial cell, replicate plasmid, give plasmid

Archaebacteria: Thermophiles Thermus aquaticus is a heat-loving bacterium that can thrive in habitats where the temperature is sometimes as hot as 140 degrees C (284 degrees F)

Archaebacteria: Methanogens Found in anaerobes in digestional tracts

Found in sewage decomposers

Produce Methane Gas

Found in marshes

Archaebacteria: Halophiles Halophiles are microorganisms that live and grow in high saline/salty environments. The saline content in their environments is usually 10 times the saline/salt content of normal ocean water.. Normal ocean water has a saline/salt level of 30 percent. Some environments that halophiles live in are the Great Salt Lake in Utah, Owens Lake in California, the Dead Sea

Dead Sea Floaters