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  • 1
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS The subkingdom Protozoa now includes over 65,000 named species, of which over half are fossil and ∼ 10,000 are parasitic. Among living species, this includes ∼ 250 parasitic and 11,300 free-living sarcodines (of which ∼ 4,600 are foraminiferids); 1.800 parasitic and 5,100 free-living flagellates: ∼ 5,600 parasitic “Sporozoa” (including Apicomplexa, Microspora, Myxospora, and Aseetospora); and ∼ 2,500 parasitic and 4,700 free-living ciliates. There are undoubtedly thousands more still unmamed. Seven phyla of PROTOZOA are accepted in this classification—SARCOMASTIGOPHORA. LABYRINTHOMORPHA, APICOMPLEXA, MICROSPORA, ASCETOSPORA, MYXOSPORA, and CILIOPHORA. Diagnoses are given for these and for all higher taxa through suborders, and representative genera of each are named. the present scheme is a considerable revision of the Society's 1964 classification, which was prepared at a time when perhaps 48,000 species had been named. It has been necessitated by the acquisition of a great deal of new taxonomic information, much of it through electron microscopy. It is hoped that the present classification incorporates most of the major changes that will be made for some time. and that it will be used for many years by both protozoologists and non-protozoologists.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 9 (1962), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. A new species, Crithidia rileyi (Trypanosomatidae), is described from Tabanus epistates. The most characteristic feature of the flagellate is the frequent occurrence of a broad sucker-like posterior end. In contrast to other species of Crithidia it multiplied very slowly in the first few weeks after isolation. A review of the literature shows that trypanosomatids of two generic types, Crithidia and Blastocrithidia, have been described from flies of the family Tabanidae, although they have nearly always been regarded as stages of the same organism. Some or all of those of the Blastocrithidia type are stages of Trypanosoma theileri. The Crithidia are probably not stages in the development of any trypanosome.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 6 (1959), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. Two species of flagellate parasites, Herpetomonas muscarum (Leidy 1856) Kent 1881 and Crithidia luciliae (Strickland 1911) have been isolated in pure culture from the fly, Phaenicia sericata. Laboratory-reared Musca domestica were infected with each of the species. These two species have often been confused, the latter being regarded as “cysts” of the former. H. muscarum is long and slender and occurs actively swimming in the midgut of the host. C. luciliae is short and truncate and occurs mainly in the hindgut where it is often attached to the gut wall. C. luciliae grows readily and abundantly in culture and outgrows H. muscarum in mixed cultures. Attempts to infect Aedes aegypti and Culex pipiens with C. luciliae failed while control feedings of these mosquitoes with Crithidia fasciculata produced infections.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 3 (1956), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SUMMARY. A neopeptone blood broth was a satisfactory medium for cultivation of the frog trypanosome T. ranarum, though it did not support as consistently good growth as the corresponding diphasic medium. The superiority of diphasic over liquid medium could be explained only by the presence of a reserve of nutrients in the agar slant which diffuse into the liquid phase. Inocula from culture tubes 12 days or less in age resulting from a succession of rapid transfers appeared to be necessary for maximal growth.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 7 (1960), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The kinetoplast and associated structures in Leishmanial tropica, Trypanosoma cruzi, T. lewisi, Herpeto-inonas culicis, H. muscarum and Crithidia fasciculata have been studied by electron microscopy of thin sections. The kinetoplast appears as a mitochondrion within which are antero-posteriorly oriented anastomosing fibers. In the three species parasitic in vertebrates there is a sharply delimited anterior zone where these fibers are thick and electron-dense. In the insect parasites the fibers form a looser network of approximately uniform density from anterior to posterior.The blepharoplast is the 9-fibered cylinder forming the base of the axoneme and extending below the base of the reservoir. A diffuse mass of electron-dense material surrounding this is the basal granule, visible also with the light microscope.The contractile vacuole appears in electron microsraphs as a clear area associated with Golgi material.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 29 (1982), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: . Flagellar cysts of Blastocrithidia triatomae form from active flagellates by diminution in size. The pellicular microtubules disappear. The inner layer of the cell membrane thickens progressively as the organism shrinks. The fully formed cyst has an electrondense layer that corresponds to the outer layer of the unit membrane. An electron-lucent layer is approximately twice the thickness of the middle layer of the unit membrane. Inside that is a 92 nm layer that may represent the cytoplasm. The nuclear content is in the form of whorled bundles of 10–15 nm fibrils. The kinetoplast was not seen in electron micrographs of cysts.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 25 (1978), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. A trypanosomatid flagellate was isolated from the musciod fly Muscina stabulans (Fallén). Cloned cultures of this organism contained promastigotes, opisthomastigotes, and froms containing a long flagellum doubled or coiled within the cell but not protruding outside. These latter forms we are designating endomastigotes. The presence of these hitherto underscribed endomastigotes along with other morphologic and growth characteristics suggest that this is a new species for which the name Herpetomonas mariadeanei is proposed.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 7 (1960), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Two species of trypanosomatid flagellates: Critkidia flexonema from Gerris remigis at Ames, Iowa, and Leptomonas collosoma from Gerris dissortis at St. Paul, Minnesota, were isolated in pure culture and are described as new species. Blastocrithidia gerridis, which differs irorn bath of the new species in possessing an undulating membrane, failed to establish itself in culture.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 28 (1981), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Blastocrithidia triatomae, a species very resistant to cultivation in conventional media, was successfully grown in association with cultured lepidopteran cells. The cultured flagellates were identical to those in the insect host, including the presence of characteristic cysts on the flagellum. Growth rate was better for cultures in the Heliothis zea medium than in IPL-45 medium or modified McConnell's medium.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 12 (1965), S. 0 
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. Leptomonas costoris n. sp. is described from Gerris comatus. It differs from other species of Leptomonas in the structure of the reservoir which has ultramicroscopic thickenings in its wall, matched by corresponding thickenings in the adjacent flagellar membrane. The one or two diagonal lines seen in the reservoirs of Giemsa-stained specimens are thought to be manifestations of these ultramicroscopic fibrils. The reservoir structure suggests a close relationship between this species and Cryptobia, (family Bodonidae) in which somewhat similar structures have been described. Blastocrithidia veliae is redescribed and differentiated from B. gerridis.
    Type of Medium: Electronic Resource
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