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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 7663

Giampiero Carosi, Massimo Scaglia, Paolo Lanzarini, Francesco Castelli, and Simonetta Gatti; Ultrastructure of Naegleria australiensis (PP-397 Strain) with Particular regard to Pleomorphic Cytoplasmic RER-Associated Inclusions. Protistologica XXII(2):169-174, 1986

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The authors investigate the ultrastructural characteristics of Naegleria australiensis vegetative form (PP-397 original strain), with special regard to pleomorphic, RER-associated cytoplasmic inclusions with different degrees of ultrastructural complexity. They are presumably related to the virus-like particles and membrane-bound black bodies already found in all Naegleria spp. From a morphologic and morphogenetic point of view, these structures differ from those described by Schuster et al. in N. gruberi and by Stevens et al. in N. lovaniensis. They do not seem to be related to the encystment process and even if they appear capable of triggering off cell lysis, they are also found in undamaged vegetative forms.