which form of E. Histolytia serves for transmission of the parasite
Answers
Answer:
Amebiasis occurs worldwide, but it is most common in tropical areas with crowded living conditions and poor sanitation. Africa, Mexico, parts of South America, and India have significant health problems associated with this disease.
Explanation:
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Answer:
. Nichols, in Encyclopedia of Food Safety, 2014
Cysteine Proteinases
Entamoeba histolytica contains at least 50 cysteine proteases; however, only three Entamoeba histolytica cysteine proteinases (EhCPs) (EhCP1, EhCP2, and EhCP5) are responsible for approximately 90% of the cysteine protease activity in this parasite. EhCPs contribute to the disruption of the epithelial cell during invasion of the colon. The degree of virulence of E. histolytica isolates, as determined in hamster liver, has been linked to different levels of CP5 mRNA in trophozoites freshly isolated from hepatic amebic lesions and suggest cysteine protease activity is involved in pathogenesis and the digestion of erythrocytes. Entamoeba histolytica infection and protease activity can cause selective damage to enteric neurons.