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Russia, who was suffering from dysentery. L schÕs diagrams clearly show cells with the ring-and-dot nucleus characteristic of Entamoeba , and his description of the disease in Markow (and L schÕs animal model experiments) is fully compat-ible with invasive intestinal amebiasis. L sch named the organism ÒAmeba coliÓ
Oct 31, 2023 · Most have a single nucleus and flagellum, but the giant amoeba, Pelomyxa, has many of each. The Tubulinea are a major grouping of Amoebozoa, including most of the larger and more familiar amoebae like Amoeba , Arcella , and Difflugia .
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What is Entamoeba histolytica?
- Anuradha Lohia
- Conclusions
- Acknowledgements
Department of Biochemistry, Bose Institute, Kolkata, India
It may be seen the primitive protozoan Entamoeba is unique as far as its cell division cycle is concerned. The organism lacks the surveillance mechanism which function as check-points and regulate cell division in other eukaryotes. As a re-sult, Entamoeba cells reduplicate their genome several times before cell division occurs. Unlike other organis...
I gratefully acknowledge the financial support received from the Departments of Science and Technology (DST); Depart-ment of Biotechnology (DBT) and Council of Scientific and Industrial Research (CSIR), Government of India; The Rockefeller Foundation USA; and a Fogarty Grant, NIH, USA for my research on the cell cycle of E. histolytica. I would lik...
- Anuradha Lohia
- 2003
Oct 1, 1988 · The cell cycle of Entamoeba histolytica, the duration of its phases, and the details of the nuclear division stages are described in this paper. Trophozoites from clone L-6, strain HM1:IMSS, were synchronized by colchicine. Synchrony was observed immediately after treatment and cultures remained synchronous for at least three replicative cycles ...
- Esther Orozco, Francisco Javier Solís, Jorge Domínguez, Bibiana Chávez, Fidel Hernández
- 1988
Entamoeba histolytica occurs in the following forms, the tro-phozoites,precyst,cyst,metacyst,andmetacystictrophozoite. The trophozoite is about 10–60 μm in size with a clear finely granular cytoplasm and a spherical nucleus that shows aggre-gation of chromatin beads at the nuclear membrane and a centrally located karyosome.
- Nadia A. El-Dib
- 2017
Results During our observations of nuclear division of E. histolytica, we have found some nuclear features which resembled stages of meiotic division. At the beginning of nuclear division, with DNA-specific contrasting, we found inside the nuclei of amebic trophozoites enlonged structures (Fig 1) which seemed to be the “bouquet” stage of ...
Entamoeba histolytica is the causative agent of amebiasis, a disease that is a major source of morbidity and mortality in the developing world. The potent cytotoxic activity of the parasite appears to underlie disease pathogenesis, although the mechanism is unknown. Recently, progress has been made in determining that the parasite activates apoptosis in target cells and some putative effectors ...
