Results 181 to 190 of about 602,867 (257)

The adaptation of chlamydiae to facultative host multicellularity

open access: yes
Helmlinger L   +4 more
europepmc   +1 more source

Rediscovery of the Testate Amoeba Genus Penardeugenia (Thaumatomonadida, Imbricatea)

open access: closedProtist, 2017
The genus Penardeugenia DEFLANDRE 1958 accommodates a single species which was described as Pamphagus bathybioticus PENARD 1904. Although this species seems to be well characterized in its description, it has never been recorded again. Despite its possession of silica scales, it was assigned to the scale-lacking Chlamydophryidae (Thecofilosea, Cercozoa)
Kenneth Dumack   +2 more
semanticscholar   +5 more sources

A genetic approach to species criteria in the amoeba genus Naegleria using allozyme electrophoresis

open access: closedInternational Journal for Parasitology, 1989
The present study employs allozyme electrophoresis to characterize and inter-relate 61 isolates of Naegleria. Diploidy was confirmed, with heterozygotes observed at 29 of the 33 loci established and in all but two isolates. With a single exception, isolates clustered at two levels of similarity, either below 21% or above 52%.
Mark Adams   +6 more
semanticscholar   +6 more sources

A reevaluation of the amoeba genus Vahlkampfia based on SSUrDNA sequences

open access: closedEuropean Journal of Protistology, 1999
Summary The amoebae of the genus Vahlkampfia share the two negative morphological characters which define the genus (no flagellate stage; no pores in the cysts) but, otherwise, are phenotypically diverse. The aim of this investigation was to test the monophyly of the genus and to investigate further the phylogeny of the family Vahlkampfiidae.
S. Brown, Johan F. De Jonckheere
semanticscholar   +4 more sources

A review of testate amoeba genus Cryptodifflugia Penard, 1890 (Phryganellina: Cryptodifflugiidae) with a key to species

open access: closedZootaxa, 2017
The testate amoeba genus Cryptodifflugia is reviewed. Thirty-two taxa are described. Four taxa, namely Cryptodifflugia collum (Chardez, 1971), Cryptodifflugia minuta (Playfair, 1917), Cryptodifflugia patinata (Schönborn, 1965), Cryptodifflugia psammophila (Golemansky, 1970), appear as new combinations. A dichotomous identification key is provided. 
Anatoly Bobrov, Yuri Mazei
semanticscholar   +4 more sources

Genetic structure of a morphological species within the amoeba genus Korotnevella (Amoebozoa: Discosea), revealed by the analysis of two genes

open access: closedEuropean Journal of Protistology, 2016
Amoebae of the genus Korotnevella are covered with scales, the structure of which is believed to be species-specific and allows distinguishing species reliably at the morphological level. We studied members of this genus in order to assess the genetic structure of the local populations of amoebae.
Vasily V. Zlatogursky   +5 more
semanticscholar   +5 more sources

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