Posts: 3,675,934
Threads: 734,342
Joined:
Sep 2021
Reputation:
5
A 38y old pregnant woman begins to suffer from headaches, fever and stiff neck during her 14th week of gestation. A CSF sample contains GM + ve bacillus. The patient ingested this agent in contaminated imported cheese. Which of the following properties of the agent promotes its transmission in undercooked foods ?
a) Toxin formation
b) Salt tolerance
c) Facultative anaerobiosis
d) Growth at low temperatures
Posts: 3,675,934
Threads: 734,342
Joined:
Sep 2021
Reputation:
5
Dddd
Listeria monocytogen
Posts: 3,675,934
Threads: 734,342
Joined:
Sep 2021
Reputation:
5
This is Listeria but can you explain the answer please?
It doesn't really grow in low temp. It grows when food is between -4 and +38 degrees celsius. so a way of killing it would be really high temp or freezing it at a really low temp so how is the answer D?
Thanks for the Q.
Posts: 3,675,934
Threads: 734,342
Joined:
Sep 2021
Reputation:
5
"RNA helicases" -> induced @low temp.
Posts: 3,675,934
Threads: 734,342
Joined:
Sep 2021
Reputation:
5
ahhh ok the rna helicases of listeria allow it to grow at 0 degrees celsius. Got it. Thanks again Cardio69.
