PHYSIOLOGICAL CHARACTERISTICS Flashcards
(33 cards)
Requires oxygen for growth; strict aerobes
Obligate aerobes
Obligate aerobes
SuBTuFrAe
B. subtilis,
Brucella,
M. tuberculosis,
Francisella
P. aeruginosa,
Absence of oxygen
Obligate anaerobes
Obligate anaerobes
BacTePeAVe
Bacteroides,
C. tetani,
Peptostreptococcus,
Actinomyces
Veilonella,
for cellular synthesis
Carbon
for protein synthesis
Nitrogen
for cellular functions
energy
Can grow without oxygen but presence of it they will utilize – Most Enterobacteriaceae
Facultative anaerobes
small amount 2-10% of O2
Microaerophiles
Microaerophiles
PePyBurCa
Y. pestis,
H. pylori,
B. burgdorferi,
Campylobacter
can grow without O2 but can still survive in the presence of it
Aerotolerant
Aerotolerant
LaFaeLaPy
Lactobacillus
E. faecalis,
E. lactis
S. pyogenes,
able to survive in unusual conditions like absence of O2 and increased temp
Extremophiles
Extremophiles
Bacillus infernus
5-10% CO2
Capnophiles
Capnophiles
GoPIMy
N. gonorrhoeae
S. pneumoniae
H. influenzae
Mycobacteria
Blood bag contaminants
ELiFAu
Y. enterolitica
S. liquefaciens
P. fluoresence
S. aureus
0 to -20C; L. monocytogenes
Psychrophilic/Cryophilic
Most bacteria optimum temperature is body temperature (35C to 37C)
Mesophilic bacteria
50-60C; G. stearothermophilus
Thermophilic
lowest temperature at a given time
Thermal death point
length of time require to kill all the organisms present at a given time
Thermal death time
kill by autoclave by 121 degC for 20 -30mins
Sporeformers
can be killed 100 degC for 10-20 mins
Vegetative/Non-spore formers
