Microbiology Bacterial Classification

Newborns

________ can be infected at birth.

Streptococcus mutans

________ is a component of dental plaque.

Gram (+) Bacilli (PURPLE)Divided into

Spore formingBacillusBacillus anthracisCauses anthrax Bacillus cereusCauses food poisoning ClostridiumClostridium tetaniToxin causes tetanus Clostridium botulinumUsed in BotoxClostridium perfringensClostridium difficileNon-spore forming CorynebacteriumListeria

Bacterial Classification

Gram (+) Cocci

Beta-hemolytic Streptococci

Streptococcus pyogenes

Beta-hemolytic Streptococci

Streptococcus agalactiae

Alpha-hemolytic Streptococci

Pneumococcus

Alpha-hemolytic Streptococci

Viridans group

Bacterial Classification

Gram (-) Cocci

Bacterial Classification

Gram (+) Bacilli

Targets these populations

newborns, pregnant women and immunosuppressed adults

Bacterial Classification

Gram (-) Bacilli

Bacterial Classification

Curved Gram (-) Bacilli

Bacterial Classification

Gram (-) Bacilli Outside of the Enteric System

Predisposing conditions

advanced age, COPD, diabetes, alcoholism

Most common cause of serious anaerobic infections

sepsis, peritonitis, abscesses

Bacterial Classification

Gram (-) Bacilli in the Respiratory Tract

**Bacterial Classification

**Non-Gram staining bacteria

Francisella

Tularemia

Yersinia

Plague

Pasteurella multocida

wound infections from dog/cat bites

Bartonella

Cat-scratch disease