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Microbiology

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Gram Negative Bacilli

Question
22 out of 81
 

In addition to ETEC another strain of E.coli that causes Travellers diarrhea is ?



A EIEC
B EHEC
C EAEC
D EPEC

Ans. C EAEC

EAEC.

a. Enteroaggrgative E.coli can also cause diarrhea in travellers.

b. Enteroaggregative Escherichia coli (EAEC) is a subgroup of diarrhoeagenic E. coli (DEC) that during the past decade has received increasing attention as a cause of watery diarrhoea, which is often persistent. EAEC have been isolated from children and adults worldwide.

c. As well as sporadic cases, outbreaks of EAEC-caused diarrhoea have been described. The definition of EAEC is the ability of the micro-organism to adhere to epithelial cells such as HEp-2 in a very characteristic ‘stacked-brick’ pattern.

d. Although many studies searching for specific virulence factor(s) unique for this category of DEC have been published it is still unknown why the EAEC cause persistent diarrhoea.

Gram Negative Bacilli Flashcard List

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