Gram Positive Bacteria Flashcards
What type of bacteria is bacilli anthracis?
Aerobic and large
What are Group D streptococci re-classified as?
Enterococcus spp, Enterococcus faecalis, enterococcus faecium Often non-haemolytic Found in the gut as normal commensal Cause of urinary tract infection
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What does streptococcus pneumoniae cause?
Pneumonia, meningitis, septicaemia
What is used to differentiate between the different forms of staphylococci?
Coagulase test
What are the large aerobic bacilli?
Bacillus cerus - food poisoning Bacillus anthracis
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What is responsible for diptheria?
Corynebacterium diptheriae Small aerobic bacilli
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What does C. diff cause?
diarrhoea
What type of organism is Streptococcus pneumoniae?
Alpha haemolytic streptococcui
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What are the further divisions of beta haemolytic streptococci?
Identified further by lancefield groupings - based on surface antigens Groups A-G ABD clinically most important
What does clostridium tetani produce?
Toxins which cause tetanus uncontrolled muscle spasm - loss of inhibition at neuromuscluar junction
What small aerobic bacilli is responsible for meningitis?
Listeria Monocytogenes
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How do most bacteria reproduce?
Binary Fission
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Give an example of group B streptococci
Streptococcus agalactiae Causes neonatal sepsis Meningitis Bacteraemia
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What are the three types of streptococci?
Alpha haemolytic - partial haemolysis (turns blood agar green) Beta haemolytic - Complete haemolysis (turns blood agar clear) Non- haemolytic
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What is the source of botox?
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Clostridium botulinum