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+--- Thread: Microbiology - hoopsta_211 (/showthread.php?tid=808313)
Microbiology - hoopsta_211 - ArchivalUser - 05-31-2015
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
0 - ArchivalUser - 05-31-2015
D..
0 - ArchivalUser - 05-31-2015
dd
0 - ArchivalUser - 05-31-2015
Dddd
Listeria monocytogen
0 - ArchivalUser - 05-31-2015
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.
0 - ArchivalUser - 05-31-2015
"RNA helicases" -> induced @low temp.
0 - ArchivalUser - 05-31-2015
ahhh ok the rna helicases of listeria allow it to grow at 0 degrees celsius. Got it. Thanks again Cardio69.