bacteria kingdompro vs. euuni vs. multiauto vs. hetero archaebacteria prouniboth...

Bacteria

Kingdom Pro vs. Eu Uni vs. Multi Auto vs. Hetero

Archaebacteria PRO UNI BOTH

Eubacteria PRO UNI BOTH

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

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