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 oral as well as somatic kinetids indicate that this species must be separated from the genus Trachelocerca. A new genus, Pseudotrachelocerca, characterized by an extensible neck, spindle-like toxicysts, irregular dorsal brush and widely meshed sliverline system, is thus erected. Based on the particular dorsal brush and silverline system the new family Pseudotrachelocercidae, nov. fam. is established. It can be possibly placed in the subclass Haptoria, order Spathidiida. However, a definite classification has to await fine structural investigations.
journal_name
Eur J Protistoljournal_title
European journal of protistologyauthors
Song Wdoi
10.1016/S0932-4739(11)80110-0subject
Has Abstractpub_date
1990-10-19 00:00:00pages
160-6issue
2eissn
0932-4739issn
1618-0429pii
S0932-4739(11)80110-0journal_volume
26pub_type
杂志文章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
pub_type: 杂志文章
doi:10.1016/j.ejop.2008.09.004
更新日期:2009-05-01 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
pub_type: 杂志文章
doi:10.1016/j.ejop.2008.07.001
更新日期:2009-05-01 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
pub_type: 杂志文章
doi:10.1016/S0932-4739(11)80317-2
更新日期:1992-02-21 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
pub_type: 杂志文章
doi:10.1016/S0932-4739(89)80037-9
更新日期:1989-02-24 00:00:00
abstract::During the last decades, the planktonic cyanobacterium Planktothrix rubescens became a dominant primary producer in many deep pre-alpine lakes. While altered physiochemical conditions due to lake warming seem to favour this cyanobacterial species, its dominance is partly attributed to factors conferring grazing resist...
journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/j.ejop.2017.05.009
更新日期:2017-08-01 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
pub_type: 杂志文章
doi:10.1016/S0932-4739(11)80144-6
更新日期:1991-02-22 00:00:00
abstract::I discuss how different feeding modes and related cellular structures map onto the eukaryote evolutionary tree. Centrally important for understanding eukaryotic cell diversity are Loukozoa: ancestrally biciliate phagotrophic protozoa possessing a posterior cilium and ventral feeding groove into which ciliary currents ...
journal_title:European journal of protistology
pub_type: 杂志文章,评审
doi:10.1016/j.ejop.2012.06.001
更新日期:2013-05-01 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
pub_type: 杂志文章
doi:10.1016/S0932-4739(11)80065-9
更新日期:1991-09-09 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
pub_type: 杂志文章
doi:10.1016/S0932-4739(89)80009-4
更新日期:1989-07-07 00:00:00
abstract::This paper summarises the Symposium 'Concepts in Protistology', during the VI European Congress of Protistology, Berlin, 25-29 July 2011. There is an increasing focus on cataloguing the number of species on earth, species barcoding initiatives, and the increasing need to reconcile molecular with morphological data in ...
journal_title:European journal of protistology
pub_type:
doi:10.1016/j.ejop.2011.11.004
更新日期:2012-05-01 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
pub_type: 杂志文章
doi:10.1016/S0932-4739(89)80061-6
更新日期:1989-04-14 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
pub_type: 杂志文章
doi:10.1016/S0932-4739(11)80404-9
更新日期:1993-11-12 00:00:00
abstract::The morphology and infraciliature of two Frontonia species, F. shii spec. nov. and F. paramagna Chen et al., 2014, isolated from a freshwater pond in northeastern China, were investigated using living observation and silver staining methods Frontonia shii spec. nov. is recognized by the combination of the following ch...
journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/j.ejop.2018.01.002
更新日期:2018-04-01 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
pub_type: 杂志文章
doi:10.1016/S0932-4739(11)80129-X
更新日期:1990-06-29 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
pub_type: 杂志文章
doi:10.1016/S0932-4739(88)80012-9
更新日期:1988-12-01 00:00:00
abstract::Human adenoviruses are responsible for a wide range of clinical infections and are present in aquatic environments, including river, seawater, drinking-water and sewage. Free-living amoebae (Acanthamoeba) in the same environments may internalize them and other microorganisms can act as a reservoir for the internalized...
journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/j.ejop.2016.02.006
更新日期:2016-06-01 00:00:00
abstract::Difflugia is a morphologically diverse genus of testate amoebae, which are common components of freshwater ecosystems. We observed a new morphotype similar to Difflugia tuberspinifera but without spine in four Xiamen reservoirs, Fujian Province, southeast China. We investigated its morphology and biometry using light ...
journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/j.ejop.2013.12.003
更新日期:2014-04-01 00:00:00
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journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/j.ejop.2007.08.002
更新日期:2008-02-01 00:00:00
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journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/S0932-4739(11)80427-X
更新日期:1991-03-28 00:00:00
abstract::The living morphology, infraciliature and silverline system of two small marine Euplotes species, E. orientalis spec. nov. and E. raikoviAgamaliev, 1966, isolated from a sandy beach near Qingdao, China, were investigated. Euplotes orientalis is characterized by a combination of features including their small size (35-...
journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/j.ejop.2009.11.003
更新日期:2010-05-01 00:00:00
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journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/j.ejop.2012.07.001
更新日期:2013-01-01 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
pub_type: 杂志文章
doi:10.1016/S0932-4739(11)80004-0
更新日期:1992-11-20 00:00:00
abstract::The morphology of four cyrtophorian ciliates, Dysteria ovalis, D. semilunaris, Phascolodon vorticella, and Chlamydonellopsis calkinsi, were investigated using living observation and protargol-staining. The morphology of D. ovalis is revealed in detail for the first time, and it is characterized by the following combin...
journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/j.ejop.2016.08.005
更新日期:2016-10-01 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
pub_type: 杂志文章
doi:10.1016/S0932-4739(88)80022-1
更新日期:1988-10-01 00:00:00
abstract::Hyalophysa clampi Browning and Landers, 2012 was reexamined to determine all stages in the life cycle of this symbiotic ciliate. The cell feeds as a normal exuviotroph within the exoskeleton of its molted crayfish host but does not encyst following the trophont stage. Trophonts transform into swimming tomont stages, w...
journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/j.ejop.2019.125654
更新日期:2020-02-01 00:00:00
abstract::Planktonic testate amoebae in floodplains exhibit a broad-range of morphological variability. The variation size is already known, but it is necessary to know how this is for morphological variables. This study aimed to identify the relationships between testate amoebae morphology and environmental factors in four neo...
journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/j.ejop.2016.08.006
更新日期:2016-10-01 00:00:00
abstract::Shifts in community composition of soil protozoa in response to climate change may substantially influence microbial activity and thereby decomposition processes. However, effects of climate and vegetation on soil protozoa remain poorly understood. We studied the distribution of soil testate amoebae in herbaceous and ...
journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/j.ejop.2012.08.004
更新日期:2013-05-01 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
pub_type: 杂志文章
doi:10.1016/j.ejop.2007.11.002
更新日期:2008-05-01 00:00:00
abstract::The species Leptomyxa flabellata was described by Goodey in 1915 and re-isolated by Pussard and Pons in 1976. It seems that it was never seen (or never recognized) again since that time. The strain designated as "Leptomyxa flabellata CCAP 1546/2" was studied by Cann in 1984, however the quality of the electron microsc...
journal_title:European journal of protistology
pub_type: 杂志文章
doi:10.1016/j.ejop.2017.12.001
更新日期:2018-02-01 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
pub_type: 杂志文章
doi:10.1016/S0932-4739(89)80021-5
更新日期:1989-10-27 00:00:00