Ultrastructure of Cyst Differentiation in Parasitic Protozoa

Overview

Journal Parasitol Res

Specialty Parasitology

Date 2007 Jan 26

PMID 17252271

Citations 18

Authors

Bibiana Chavez-Munguia

Maritza Omana-Molina

Monica Gonzalez-Lazaro

Arturo Gonzalez-Robles

Roberto Cedillo-Rivera

Patricia Bonilla

Adolfo Martinez-Palomo

Affiliations

Soon will be listed here.

Abstract

Cysts represent a phase in the life cycle of biphasic parasitic protozoa that allow them to survive under adverse environmental conditions. Two events are required for the morphological differentiation from trophozoite to cyst and from cyst to trophozoite: the encystation and excystation processes. In this paper, we present a review of the ultrastructure of the encystation and excystation processes in Entamoeba invadens, Acanthamoeba castellanii, and Giardia lamblia. The comparative electron microscopical observations of these events here reported provide a morphological background to better understand recent advances in the biochemistry and molecular biology of the differentiation phenomena in these microorganisms.

Citing Articles

Observations on the transmission of and the cyst life cycle stage.

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Pleiotropic Roles of Cholesteryl Sulfate during Encystation: Involvement in Cell Rounding and Development of Membrane Impermeability.

Mi-Ichi F, Tsugawa H, Arita M, Yoshida H mSphere. 2022; 7(4):e0029922.

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Stage-Specific Synthesis of Very-Long-Chain Dihydroceramides Confers Dormancy to Parasites.

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The dynamics of ultrastructural changes during encystation.

Mousa E, Sakaguchi M, Nakamura R, Abdella O, Yoshida H, Hamano S Parasitology. 2020; 147(12):1305-1312.

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Cellulose fibrils formation and organisation of cytoskeleton during encystment are essential for Acanthamoeba cyst wall architecture.

Garajova M, Mrva M, Vaskovicova N, Martinka M, Melicherova J, Valigurova A Sci Rep. 2019; 9(1):4466.

PMID: 30872791 PMC: 6418277. DOI: 10.1038/s41598-019-41084-6.

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