2009
DOI: 10.1016/j.exppara.2009.03.016
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Naegleria fowleri: Light and electron microscopy study of mitosis

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Cited by 17 publications
(18 citation statements)
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“…For amoeba and other protozoans, ‘mitotic–meiosis’ of polyploidy similar to total nuclear fragmentation and RNuF, were described as part of their vegetative and sexual reproduction cycles (Heath, 1980; Margulis et al, 1990; Raikov, 1994). Specifically, amoebic endomitosis was described as nuclear internal with no presence of centrosomes (Gonzalez‐Robles et al, 2009), and ‘small’ nuclei first appeared as ‘bulbs’ on a polyploid chromatin mass (Dunnebacke, 2009). These genome reductional ‘mitoses’ are essentially similar to reproductive depolyploidization of mammalian endopolyploidy.…”
Section: Resultsmentioning
confidence: 99%
“…For amoeba and other protozoans, ‘mitotic–meiosis’ of polyploidy similar to total nuclear fragmentation and RNuF, were described as part of their vegetative and sexual reproduction cycles (Heath, 1980; Margulis et al, 1990; Raikov, 1994). Specifically, amoebic endomitosis was described as nuclear internal with no presence of centrosomes (Gonzalez‐Robles et al, 2009), and ‘small’ nuclei first appeared as ‘bulbs’ on a polyploid chromatin mass (Dunnebacke, 2009). These genome reductional ‘mitoses’ are essentially similar to reproductive depolyploidization of mammalian endopolyploidy.…”
Section: Resultsmentioning
confidence: 99%
“…For noncycling cells or organisms that do not use spindle poles to segregate centrioles, the centriole to MTOC conversion would be unnecessary or might not even exist. It will be interesting to explore this prediction in unicellular eukaryotes, such as paramecia and trypanosome, in which centrioles are transmitted through cortical inheritance or cytotaxis during cell division (Sonneborn, 1964; Beisson and Sonneborn, 1965; Ng and Frankel, 1977; Moreira-Leite et al, 2001; Feldman et al, 2007; Beisson, 2008; González-Robles et al, 2009), i.e., in these organisms, the machinery that converts centrioles to centrosomes would be absent (Moreira-Leite et al, 2001).…”
Section: Discussionmentioning
confidence: 99%
“…Although these studies form the basis of most of what we know about Naegleria's cytoskeletal biology, Naegleria usually do not have any microtubules at all. The only microtubules found to date in Naegleria amoebae are found in the mitotic spindle during closed mitosis (Fulton and Dingle, 1971;Gonzalez-Robles et al, 2009;Walsh, 1984). This means that interphase Naegleria amoebae lack microtubules, leading to the assumption that the actin cytoskeleton alone performs all necessary functions for its amoebic lifestyle, particularly cell crawling and phagocytosis.…”
Section: Introductionmentioning
confidence: 99%