Unit 3: Chapter 22 Flashcards
Gram positive bacteria include
antibiotic producer, endospore formers, human pathogens, bacteria for food product
Actinobacteria Properties
chemoorganotrophs
soil organisms
produce metabolites
Make filaments called hyphae which allows for longer expansion and area
Genus Bifidobacterium
Actinobacteria, gram +
Important in human gut microflora
Rods in single, clusters, or v shaped pairs
Sold as probiotic agents
Family Mycobacteriaceae
Actinobacteria, no gram stain
mycomembrane constructed of fatty acids (complex fatty acids and chemically modified) that blocks gram strain
Antibiotic resistance
Long generation time
Acid fast stain
Genus propionibacterium
AKA acne
actinobacteria, gram +
pleomorphic
gaseous fermentation to produce holes in swiss cheese production
found on skin
emerging opportunistic pathogen with implant infections
M. tuberculosis and M Bovis
under family mycobacteriaceae
causes tuberculosis
Genus streptomyces
actinobacteria, gram +
importance source of antibiotics
exospores produce hyphae
Firmicutes
Endospore former, gram +
2 forms: Bacillales and clostridiales
Genus Bacillus
Under Firmicutes, gram +
Endospore former
Rods
Faculative anaerobe
Produce antibiotics
B. Cereus
Under genus bacillus
Cause food poisoning
B. Anthracis
Under genus bacillus
Cause anthrax
B. Thuringiensis
Under genus bacillus
insecticide
Genus Clostridium
Gram +
Under Firmicutes
STRICT anaerobe
endospore former
C. botulinum
Under clostridium
Powerful toxin
C. difficile
Under clostridium
Cause severe gastrointestinal tract disease
