Cell Surface Molecules of Pathogenic and Nonpathogenic Entamoeba Histolytica and their Relation to Virulence

Mirelman, David; Moody-Haupt, Sue; Becker, S.; Nuchamowitz, Yael; Bracha, Rivka; Alon, Rinat N.

doi:10.1007/978-1-4613-0415-9_26

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2007

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“…The cell surface of the protozoan parasite Entamoeba histolytica has been characterized using a number of approaches and attempts have been made to associate pathogenicity with presence or absence of a few molecules or with some cell surface characteristics [1,2,3] . Among many reported cell surface proteins only a few have been characterized in detail [4] .…”

Section: Introductionmentioning

confidence: 99%

Identification and functional characterization of a novel lysine-rich protein from Entamoeba histolytica

Mehra¹,

Bhattacharya²,

Bhattacharya³

2007

American J. of Biochemistry and Biotechnology

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In an attempt to understand the role of genes with no known function, in the protozoan parasite Entamoeba histolytica, an analysis of the proteome was carried out and a Lysine-Rich protein (KRP) was identified for further study. This protein has a modular structure with four domains and was found to be expressed and localized to the cell surface of E. histolytica trophozoites. The KRP over expressing cells were 80% less virulent as compared to the cells under expressing the gene as determined by the ability of the cells to kill in vitro target cells. The results suggest that KRP may have a role in the cytopathogenesis of the parasite

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Section: Introductionmentioning

confidence: 99%