abstract：:In the absence of distinct morphological characteristics, knowledge of genetic relationships within and between protist parasite species is important for determining reservoir hosts and understanding the biology of the causative agents of emerging diseases. The genus Hematodinium is a member of Syndinea, an ubiquitous...

journal_title：European journal of protistology

authors： Hamilton KM,Morritt D,Shaw PW

更新日期：2010-01-01 00:00:00

abstract：:The morphology and morphogenesis of a marine ciliate, Epiclintes auricularis rarisetus nov. sspec., collected from Qingdao, northern China were studied on live and protargol-impregnated specimens. This isolate can be recognized by its elongate, contractile and tripartite body with a size of 200-400 x 20-40microm in vi...

journal_title：European journal of protistology

authors： Hu X,Fan X,Lin X,Gong J,Song W

更新日期：2009-11-01 00:00:00

abstract：:Rumen protozoal diversity in the Spanish ibex (SI) was studied in males (n=4), females (n=7) and young (n=4) from the Maestrazgo (Spain) and contrasted with domestic goats (n=3; DG) of the same region. There were no differences among SI types in protozoal concentration or in the number of protozoal species. Only proto...

journal_title：European journal of protistology

authors： de la Fuente G,Belanche A,Abecia L,Dehority BA,Fondevila M

更新日期：2009-05-01 00:00:00

abstract：:A new species of unicellular opisthokont protist, Nuclearia thermophila sp. nov., was isolated from the warm spring water of Yunoko Lake, Japan, and has been described using light and electron microscopy. It exists as a spherical floating form and a flattened amoeboid form showing various shapes. The cells occasionall...

journal_title：European journal of protistology

authors： Yoshida M,Nakayama T,Inouye I

更新日期：2009-05-01 00:00:00

abstract：:The apostome ciliate Hyalophysa chattoni, a symbiont of the estuarine grass shrimp Palaemonetes pugio, was tested for its growth and reproductive ability in a wide range of salinities from 0.1 to 55 ppt. Shrimp, with their attached ciliates, were slowly acclimated to different salinities in order to assess protozoan c...

journal_title：European journal of protistology

authors： Pisani KA,Landers SC,Pappanastos E

更新日期：2008-05-01 00:00:00

abstract：:The gene coding for the small subunit ribosomal RNA molecule was sequenced in three marine spirotrichs: Pseudoamphisiella lacazei, P. alveolata, and Parabirojimia similis, the systematic positions of which remain unclear in spite of recent progress. Phylogenetic trees were constructed by means of neighbor-joining (NJ)...

journal_title：European journal of protistology

authors： Yi Z,Song W,Warren A,Roberts DM,Al-Rasheid KA,Chen Z,Al-Farraj SA,Hu X

更新日期：2008-02-01 00:00:00

abstract：:We have characterized the intracellular development and ultrastructure of a novel parasite that infected the marine benthic dinoflagellate Prorocentrum fukuyoi. The parasite possessed a combination of features described for perkinsids and syndineans, and also possessed novel characters associated with its parasitic li...

journal_title：European journal of protistology

authors： Leander BS,Hoppenrath M

更新日期：2008-02-01 00:00:00

abstract：:The morphology and infraciliature of two pleurostomatid ciliates, Amphileptus aeschtae nov. spec. and Amphileptus eigneri nov. spec., collected from shrimp-culturing ponds of the Bohai Sea, China, were investigated using live observations and the protargol impregnation method. The new species A. aeschtae is identified...

journal_title：European journal of protistology

authors： Lin X,Song W,Li J

更新日期：2007-06-01 00:00:00

abstract：:The ultrastructural cytology and reproduction of the hyperparasitic microsporidium Amphiamblys capitellides (Caullery and Mesnil, 1897) is described. Merogonial reproduction was not observed. The sporogony comprises two sequences: a sac-bound sporogony in close contact with the cytoplasm of the host and a free sporogo...

journal_title：European journal of protistology

authors： Larsson JI,Køie M

更新日期：2006-11-01 00:00:00

abstract：:Since its description 35 years ago from Quebec, Canada, the poorly known monospecific testate rhizopod genus Puytoracia (type species, Puytoracia bergeri) has been reported only from the Himalayan region of Nepal. This species was recently found at 13 locations in Ontario, Canada, and the range of form variation of th...

journal_title：European journal of protistology

authors： Nicholls KH

更新日期：2006-09-01 00:00:00

abstract：:Expression of surface antigens is usually mutually exclusive, meaning that only one protein is present on the cell surface. With the RNAi feeding technology we induce serotype shifts in Paramecium tetraurelia which are demonstrated to be incomplete, meaning that the cells remain in a shifting state. The coexpression o...

journal_title：European journal of protistology

authors： Simon MC,Marker S,Schmidt HJ

更新日期：2006-03-01 00:00:00

abstract：:A strain of the free-living flagellate Dimastigella trypaniformis Sandon was isolated from the gut contents of the Australian termite Mastotermes darwiniensis Froggatt. The fine structure of the isolate (Ulm strain) was compared with a strain isolated from soil in Scotland (Glasgow strain). The biflagellated trophozoi...

journal_title：European journal of protistology

authors： Breunig A,König H,Brugerolle G,Vickerman K,Hertel H

更新日期：1993-11-12 00:00:00

abstract：:Differences in gel electrophoretic mobility were used to compare tubulin subunits from a variety of distantly related ciliate species. The relative electrophoretic mobility of ciliate tubulins is shown to vary depending upon the electrophoretic conditions used to separate them. Tubulin migration is altered by changing...

journal_title：European journal of protistology

authors： Delgado P,Fleury A

更新日期：1993-05-28 00:00:00

abstract：:A new ciliate species (Cyclidium porcatum) is the first freshwater anaerobic scuticociliate to be cultured and described. It contains a unique tripartite structure consisting of hydrogenosomes (confirmed by cytochemical staining for hydrogenase), interspersed with methanogens (confirmed by auto fluorescence and in sit...

journal_title：European journal of protistology

authors： Clarke KJ,Finlay BJ,Esteban G,Guhl BE,Embley TM

更新日期：1993-05-28 00:00:00

abstract：:Mitotis in the choanoflagellate Monosiga sp. has been studied by electron microscopy for the first time based on serial sections of metaphase and anaphase. The dense metaphase plate is formed by chromosomes at the centre of the nucleus. Spindle poles are located at the opposite sides of this plate. The nuclear envelop...

journal_title：European journal of protistology

authors： Karpov SA,Mylnikov AP

更新日期：1993-02-19 00:00:00

abstract：:The free-living anaerobic flagellate Psalteriomonas vulgaris n. spec. is described. The organism has four flagella of equal length which arise immediately subapically to the anterior part of the cell, within the apex of the ventral groove. The ultrastructural organization of the mastigont system and the ventral groove...

journal_title：European journal of protistology

authors： Broers CA,Meijers HH,Symens JC,Stumm CK,Vogels GD,Brugerolle G

更新日期：1993-02-19 00:00:00

abstract：:The cortical morphogenesis of Amphisiella australis Blatterer and Foissner, 1988 was investigated using protargol impregnation. In 43% of the examined cells the morphogenesis starts with a dedifferentiation of the two transverse cirri forming the oral primordium. In the other specimens the oral primordium either origi...

journal_title：European journal of protistology

authors： Voß HJ

更新日期：1992-11-20 00:00:00

abstract：:The authors present light and electron microscopical data on a myxosporidian found in the gills of Crenicichla lepidota Heckel, 1840 (Teleostei, Cichlidae) from the Amazon river. Based on the spore morphology, it is concluded that this species belongs to the family Myxobolidae, genus Henneguya, and that it constitutes...

journal_title：European journal of protistology

authors： Rocha E,Matos E,Azevedo C

更新日期：1992-08-21 00:00:00

abstract：:The effects of 0.2-2.0 mM PtCl(4) have been investigated, the purpose was to test whether the compound would affect Tetrahymena in a manner similar to that of cis-dichlorodiammine-platinum(II), or cisplatin, which in 0.83 mM inhibits cell proliferation for 24 h and induces diminution of the inner mitochondrial membran...

journal_title：European journal of protistology

authors： Nilsson JR

更新日期：1992-05-22 00:00:00

abstract：:Haploid micronuclei produced by meiosis in Paramecium caudatum are destined either to survive or to degenerate depending upon their position in the cytoplasm. The behavior of the four meiotic division products in living cells and their DNA synthesis patterns were examined to determine whether there were differences be...

journal_title：European journal of protistology

authors： Yanagi A

更新日期：1992-02-21 00:00:00

abstract：:More than 1000 secretory organelles (trichocysts) are docked at the plasma membrane of Paramecium cells. After stimulation, the trichocyst contents are expelled as needle-like structures in an exocytotic response. Neither the function nor the natural stimulus of trichocyst exocytosis are known in this well established...

journal_title：European journal of protistology

authors： Knoll G,Haacke-Bell B,Plattner H

更新日期：1991-11-29 00:00:00

abstract：:Gravitaxis of Paramecium at different oxygen concentrations is analyzed by means of a computer controlled image-analysis system. The gravitactic response depends on the oxygen tension: at low-oxic conditions Paramecium shows a precise negative gravitaxis which changes into a random distribution if the oxygen tension i...

journal_title：European journal of protistology

authors： Hemmersbach-Krause R,Briegleb W,Häder DR

更新日期：1991-09-09 00:00:00

abstract：:Nuclear phenomena at conjugation of the multimicronucleate ciliate Blepharisma japonicum were investigated by using fluorescence microscopy. Several hours after cells united in pairs, micronuclei differentiated into meiotic micronuclei and "somatomicronuclei". Meiotic micro-nuclei participated in conventional sexual p...

journal_title：European journal of protistology

authors： Miyake A,Rivola V,Harumoto T

更新日期：1991-06-21 00:00:00

abstract：:Pterospora demodendrion sp.nov., an acephaline eugregarine (Eugregarinorida, Urosporidae) from the coelom of Axiothella mucosa (Polychaeta, Maldanidae) is described. The gamont averages 277 × 139 μm and possesses 20-36 posterior prolongations. Gametocysts average 412 × 287 μm; without polar funneled openings. Oocysts ...

journal_title：European journal of protistology

authors： Landers SC

更新日期：1991-03-28 00:00:00

abstract：:Lake Tanganyika is world famous for a fauna that is rich in endemic species. On the other hand, it seems to be particularly poor in species of planktonic ciliates. Only the coastal infusorial fauna, for the most part mesopsammic, constitutes an extensive biomass with relatively few species. However, some are character...

journal_title：European journal of protistology

authors： Dragesco J,Dragesco-Kernéis A

更新日期：1991-02-22 00:00:00

abstract：:During conjugation, Stylonychia mytilus undergoes repetitive somatic development by reorganizing the cortical ciliature consecutively for three times. The control of these reorganizations by the nucleus was investigated employing amicronucleates generated by microsurgery. When amicronucleates conjugate, they underwent...

journal_title：European journal of protistology

authors： Lu L,Shi XB,Ng SF

更新日期：1991-02-22 00:00:00

abstract：:The morphology, infraciliature and silverline system of Trachelocerca trepida Kahl, 1928 has been reinvestigated. The species was found in marine water (Yellow Sea) near Shanghai, Eastchina. Stained specimens (protargol) are characterized morphometrically. The shape of the extrusomes (toxicysts) and the structure of o...

journal_title：European journal of protistology

authors： Song W

更新日期：1990-10-19 00:00:00

abstract：:This review gives a brief report on some recent advances in the study of molecular biology of ciliate genes. The main emphasis will be put on those results which may contribute to a better understanding of how gene structure and genome organization has evolved in ciliates. New data will be discussed in relation to the...

journal_title：European journal of protistology

authors： Steinbrück G

更新日期：1990-08-31 00:00:00

abstract：:We report the use of nile red as a rapid and inexpensive method to estimate cellular lipids in three species of Paramecium and in Tetrahymena by the direct application of the dye to living or fixed cells without extraction and purification. Qualitative estimates of the relative changes in the lipid content of cells of...

journal_title：European journal of protistology

authors： Cole TA,Fok AK,Ueno MS,Allen RD

更新日期：1990-06-29 00:00:00

abstract：:Cell division in Prorocentrum micans was studied with TEM, SEM and with fluorescence microscope techniques to visualize cytoskeletal structures. The cleavage furrow consists of the plasma membrane and two valvar vesicles. Its leading edge is lined with actin filaments. The completion of cytokinesis (like in some other...

journal_title：European journal of protistology

authors： Schnepf E,Winter S,Storck I,Quader H

更新日期：1990-03-09 00:00:00

abstract：:The endonucleobiotic bacterium Holospora elegans inhabits the micronucleus of Paramecium caudatum. In this paper the release of the infectious form (IF) of H. elegans from its host is described. During the anaphase of the micronuclear division most of the IFs remain within the connecting piece which, therefore, may be...

journal_title：European journal of protistology

authors： Wiemann M,Görtz HD

更新日期：1989-10-27 00:00:00

abstract：:Prorodon spirogyrophagus nov. spec. is described by observations on living and silver-stained specimens. Important morphometric data are presented and the feeding habits are described. The new species is characterized by a body size of about 450 × 200 μm, numerous independently functioning contractile vacuoles each wi...

journal_title：European journal of protistology

authors： Leipe D

更新日期：1989-07-07 00:00:00

abstract：:Ookinetes of Leucocytozoon simondi have a Polar Ring Complex (PRC) which is composed of a stout electron-lucent polar ring with about 34 posteriorly extending tines. The latter are subtended by about 76 subpellicular microtubules. A broad collar of electron-dense material is associated with the cytoplasmic surface of ...

journal_title：European journal of protistology

authors： Brockley Paterson W,Desser SS

更新日期：1989-04-14 00:00:00

abstract：:The route of infection of two endonucleobiotic bacteria in Paramecium caudatum was investigated with the electron microscope. The bacterium Holospora elegans specifically infects the micronucleus, whereas Holospora obtusa infects the macronucleus. The infectious forms of both bacteria are ingested by the prospective h...

journal_title：European journal of protistology

authors： Görtz HD,Wiemann M

更新日期：1989-02-24 00:00:00

abstract：:Fine structure of the membrane system was examined in a large heliozoon, Echinosphaerium akamae, especially by means of negative staining and thin sectioning under the electron microscope. In addition to solitary membranous organelles such as mitochondrion, Golgi apparatus and nuclear envelope, there was found a conti...

journal_title：European journal of protistology

authors： Shigenaka Y,Maesako-Tabata J,Imada M

更新日期：1989-02-24 00:00:00

abstract：:Light- and electron microscopical observations on the morphology of the nassulid ciliate Furgasonia blochmanni show that it has somatic kinetids which reveal the nassulid pattern of somatic mono- and dikinetids with a 'B-cartwheel' in the lumen of the kinetosome and paired alveolocysts as regular components of the kin...

journal_title：European journal of protistology

authors： Eisler K

更新日期：1988-12-01 00:00:00

abstract：:A new Naegleria species, N. andersoni, is described that occurs world-wide. The new species consists of two subspecies and can be distinguished from previously described species on the basis of antigenic, isoenzyme and restriction enzyme DNA fragment differences and in maximum growth temperature tolerated. N. anderson...

journal_title：European journal of protistology

authors： De Jonckheere JF

更新日期：1988-10-01 00:00:00

abstract：:The infraciliature and morphogenesis of Paraholosticha sterkii (Garnjobst, 1934) n. comb. (Basionym: Stylonethes sterkii) are described. Before division a cell encysts and after division each tomite forms an individual cyst within the common one. The ciliates cease to move and the kinetome is resorbed. With the beginn...

journal_title：European journal of protistology

authors： Dieckmann J

更新日期：1988-07-01 00:00:00

abstract：:The behavior of Euplotes crassus has been studied qualitatively and quantitatively in an attempt of throwing new light onto the problem of the relationships occurring among motor behavior, systematic position and evolutionary strategies of the ciliated protozoa. It was found that both single and paired Euplotes creep ...

journal_title：European journal of protistology

authors： Ricci N,Giannetti R,Miceli C

更新日期：1988-03-01 00:00:00

abstract：:The morphology and the infraciliature of Pseudokeronopsis rubra [7, 10, 11], P. carnea [8] nov. comb, and P. flava [8] nov. comb, are redescribed using protargol silver staining, biometry, and chromatography. These species differ in the colour and composition of the pigment granules, the length of the midventral rows,...

journal_title：European journal of protistology

authors： Wirnsberger E,Larsen HF,Uhlig G

更新日期：1987-11-01 00:00:00