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72 Cards in this Set

  • Front
  • Back
Actinomycetes
Life Cycle of Actinomycetes
Actinomycetes on growth medium
Actinomycetes: Motility & Forms
Ecological Significance of Actinomycetes
Phylum Actinobacteria
consists of actinomycetes and their high G + C gram-positive relatives
Characteristics of Actinobacteria
Genus Micrococcus
Suborder Corynebacterineae
Corynebacterium
Diphtheria
Genus Mycobacterium
Structure of Mycolic acid
Important species of Mycobacterium
-M. bovis – tuberculosis in cattle and other ruminants
-M. tuberculosis – tuberculosis in humans
-M. leprae – leprosy
TB in the lungs
Genus Propionibacterium
Streptomycetes
Streptomycetes
Bifidobacterium bifidus
Class Bacilli
large variety of gram-positive organisms
Characteristic members of the Class Bacilli
Order Bacillales, genus Bacillus
Anthrax
a. Bacillus anthracis (purple)
b. B. Cereus (greenish
Family Staphylococcaceae
Antibiotic Resistant Staphylococci
Staphylococcus aureus
Bacterial skin diseases
Genus Listeria
Order Lactobacillales
Order Lactobacillales: largest genus - Lactobacillus
Order Lactobacillales examples
Importance of lactobacilli
Genus: Leuconostoc
Streptococci classifications
Properties of Streptococci and relative
Hemolysis
Images of Streptococci
Important streptococci, enterococci, and lactococci
Streptococcal infections
Streptococcal infections
Glomerulonephritis
Glomerulonephritis diagram
Streptococcus pyogenes
– streptococcal sore throat, acute glomerulonephritis, and rheumatic fever
Streptococcus pneumoniae
lobar pneumonia and otitis media
Streptococcus mutans
dental caries
Enterococcus faecalis
opportunistic pathogen (urinary tract infections and endocarditis)
Lactococcus lactis
production of buttermilk and cheese
Biochemical cycling
Carbon Cycle w/bacteria
N Cycle
Nitrogen cycle products etc
Anammox process
Nitrogen Cycle Diagram
Phosphorous Cycle
Phosphorus cycle Diagram
Sulfur cycle
Sulfur cycle diagram
Interaction of Element Cycles
Winogradsky column
Functions of microorganisms in ecosystems
Microbial Interactions
Microorganism-Insect Mutualisms
protozoan-termite mutualism
-termite provides food for protozoan
-protozoan digests cellulose in wood particles, providing nutrients for termite
Tube Worm (Riftia)-Bacterial Relationships
Tube Worm Diagram
The rumen ecosystem
ruminant and microbial community have a mutualistic relationship
-specific interactions occur within the microbial community
in cows, acetate, CO2, and H2 are used by methanogenic archaea to generate methane (CH4), a greenhouse gas
-methane released by belching
Commensalism
one organism benefits and the other is neither harmed nor helped
commensal
--organism that benefits
An Example of Commensalism
More examples of commensalism
Parasitism
Another example Balance between Host and Parasite