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Encystment Processes and the “Matrioshka-Like Stage” in a Moss-Dwelling and in a Limnic Species of Eutardigrades (Tardigrada)

open access: yesHydrobiologia, 2006
Tardigrades have two forms of dormancy, namely cryptobiosis and encystment. The encystment is a form of diapause known for a limited number of species of tardigrades and still little studied.
Lorena Rebecchi   +2 more
exaly   +2 more sources
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Encystation in Entamoeba invadens

Parasitology Today, 1993
Knowledge of the biology and pathogenesis of the human parasite Entamoeba histolytica has been limited by the lack of efficient procedures to induce axenic encystation in the laboratory. However, such methods have been developed for E. invadens, a reptilian parasite, for which encystation can be induced by mechanisms that are as yet poorly defined ...
E, López-Romero   +1 more
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Encystation in parasitic protozoa

Current Opinion in Microbiology, 2001
Giardia and Entamoeba parasites encase themselves in a carbohydrate-rich cyst for travel from host to host. Both parasites upregulate their Golgi apparatus during this process, yielding organelles that are now found to be similar to those of higher eukaryotes. In fact, unusual enzymes and structural proteins used for cyst wall synthesis, the complexity
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Encystation of entamoeba parasites

BioEssays, 1997
AbstractEntamoeba histolytica is a protozoan parasite of humans, and the causitive agent of intestinal amebiasis. The disease‐causing stage of the parasite is an osmotically sensitive ameboid form, which differentiates into a thick‐walled cyst for transmission from person to person.
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ENCYSTED TRICHINAE

Journal of the American Medical Association, 1937
Ever since those days when the early anatomists dulled their scalpels on the calcified cysts of trichinae in the muscles of cadavers, trichinosis has been a more common disease of man than generally has been recognized. Just how common it is in North America is not known but recent literature indicates that it is of far more frequent occurrence than ...
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In vivo encystation of Blastocystis hominis

Parasitology Research, 2009
Blastocystis from infected stools of a person who showed chronic symptoms of abdominal discomfort and diarrhea were examined over a 6-month period, using transmission electron microscopy, for the ultrastructural changes from vacuolar to cystic stage. The study confirms the irregular shedding phenomenon of the organism previously reported, and for the ...
Suresh, K.   +3 more
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Encystment Discovered in a Marine Copepod

Science, 1981
It has been believed that marine crustacea do not encyst as adults. The benthic copepod Heteropsyllus nunni has been found to encyst in intertidal sands in the summer; free-living forms are abundant in the winter. A unique platelike structure on the cephalothorax is thought to be the site of cyst formation.
B C, Coull, J, Grant
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The Molecular Mechanisms of Giardia Encystation

Parasitology Today, 1998
The protozoan parasite Giardia lamblia is transmitted as an environmentally resistant cyst. The encystation process is attracting attention not only from the viewpoint of disease transmission, but also as a model for differentiation. Here, Hugo Luján, Michael Mowatt and Theodore Nash discuss molecular events underlying this process, including the ...
H D, Luján, M R, Mowatt, T E, Nash
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Encystment in Amoebae

1969
Publisher Summary This chapter focuses on encystment of amoebae. Many of the eucaryotic protista appear to be capable of encystment. In some cases, the formation of a cyst is related to the processes of sexual or asexual reproduction, but it is generally considered to be a response to environmental conditions that are suboptimum for growth of the ...
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