BIOL 2053 Lecture 22: Non-sporous Bacilli, part 1Premium
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NON -SPQROUS BACILLI
µDoesnt need 02 but doesnt mind it
Facultatively anaerobic cocci
;catalyses Hao a
*Had to a
Oxidase He)no ETC
.Lives normally in the upper respiratory tract
skin ,intestine ,vagina
.Produces coagulate (only Sanremo ,
not other Staphylococcus species)
.some strains produce slime to create biofilm and cover their proteins
The pathogenic capacity of astrain is due to toxins and invasive property .
•spread widely in tissues and produce
many virulence factors
•Staphylococci enter hair follicles →coagulate
→form afibrin clot →WBC fight and die
→create white this
TOXIC SHOCK SYNDROME :Super absorbent tampons
during menstruation where the toxin secreted
by Staphylococcus Aureus shocks the circulatory system ,
and leads to multi organ failure .low blood sugar ,fever,diarrhea ,skin rash
STAPHYLOCOCCI FOOD POISONING :looking food kills Salmonella and 5. aureus
,but not denature the toxin so it poisons you .The quick onset
hour and the body gets rid of it in afew days .
STAPHYLOCOCCUS EPIDERMIS :Skin bacteria does not produce coagulate
or toxins so generally not pathogenic .
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