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Dec 15, 2022 · Most Entamoeba infections in humans appear to be caused by non-pathogenic species (e.g. Entamoeba dispar and Entamoeba coli ), the only amoebic species that could become virulent and harm the host is Entamoeba histolytica, the causative agent of amoebiasis, responsible for dysentery and liver abscesses [ 7 ].
Abstract. Entamoeba histolytica trophozoites were found to be very selective in their interactions with bacteria. Two principal mechanisms were shown to be responsible for these interactions. Certain bacteria, such as a number of Escherichia coli and Serratia marcescens strains which are known to contain mannose-binding components on their cell ...
Feb 13, 2017 · Entamoeba histolytica occurs in the following forms, the trophozoites, precyst, cyst, metacyst, and metacystic trophozoite. The trophozoite is about 10–60 μm in size with a clear finely granular cytoplasm and a spherical nucleus that shows aggregation of chromatin beads at the nuclear membrane and a centrally located karyosome.
Jul 14, 2016 · Neutrophil defense mechanisms include phagocytosis, degranulation and the formation of extracellular traps (NET). These networks of DNA are triggered by several immune and microbial factors, representing a defense strategy to prevent microbial spread by trapping/killing pathogens. This may be important against Entamoeba histolytica, since its large size hinders its phagocytosis. The aim of ...
Feb 16, 2022 · Most Entamoeba infections in humans appear to be caused by non-pathogenic species (e.g. Entamoeba dispar and Entamoeba coli ), the only amoebic species that could become virulent and harm the host is Entamoeba histolytica, the causative agent of amoebiasis, responsible for dysentery and liver abscesses [ 7 ].
1 School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, India; 2 School of Life Sciences, Jawaharlal Nehru University, New Delhi, India; A large number of transcriptome-level studies in Entamoeba histolytica, the protozoan parasite that causes amoebiasis, have investigated gene expression patterns to help understand the pathology and biology of the organism.
Jul 29, 2019 · 1. Introduction. Besides bacterial and viral pathogens, protozoan parasites can also infect the human intestinal tract and cause serious diseases [].In this article, we will focus on the three most relevant protozoal pathogens, namely, Cryptosporidium parvum (and closely related Coccidia), Giardia lamblia, and Entamoeba histolytica.
