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  • 1
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    The Timing of the Thule Migration (1984)
    Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research
    In:  EPIC3Polarforschung, Bremerhaven, Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research, 54(1), pp. 1-7, ISSN: 0032-2490
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: "Polarforschung" , peerRev
    Format: application/pdf
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  • 2
    Electronic Resource
    Electronic Resource
    FACTORS AFFECTING THE SUSCEPTIBILITY OF ERYTHROCYTES TO AN INTRACELLULAR PARASITE (1953)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 56 (1953), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1953.tb30289.x
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  • 3
    Electronic Resource
    Electronic Resource
    A Study of Changes Occurring in Plasmodium lophurae after Three Years of Continuous Existence in Mice (1956)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 3 (1956), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SUMMARY. The characteristics of Plasmodium lophurae infections in mice have been studied for a period of 3 years. The average height of parasitemias increased steadily for several months then leveled off with but minor changes for the remainder of the time. Gametocytes were found during the ninth month after the passages were begun. Comparison of the strain after 3 years in mice with the same species of parasite maintained constantly in chick embryos indicated that the sojourn in the mouse had temporarily disturbed the mean numbers of merozoites produced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1956.tb02445.x
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  • 4
    Electronic Resource
    Electronic Resource
    Immunologic and Electrophoretic Characteristics of Two Species of Crithidia (1976)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 23 (1976), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. Crithidia harmosa and Crithidia fasciculata were compared immunologically by the indirect fluorescent antibody (FA) method and by agglutination. The FA technic yielded more specific results with cellular-debris than with whole-cell antigens. The immune sera collected from chickens 9 days after the last inoculations with whole-cell antigens had higher homologous titers than those collected after 4 days. Major antigenic differences between the 2 species were revealed by both methods. The electrophoretic patterns of C. harmosa and C. fasciculata obtained by polyacrylamide gel slab electrophoresis differed in the numbers and relative mobilities of their component bands.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1976.tb03805.x
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  • 5
    Electronic Resource
    Electronic Resource
    The Relation of Migration of Oncopeltus fasciatus to Distribution of Phytomonas elmassiani in the Eastern United States (1971)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 18 (1971), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. A total of 4,866 plants belonging to the family Asclepiadaceae was examined in the eastern part of the United States; 291 (6%) of 11 species naturally infected with Phytomonas elmassiani; 9 of these were new host records. Eight of the 9 infected species belonged to the genus Asclepias, one to Cynanchum. Infections were recorded between 25.5° and 41.0° N latitude, and from 74.0° to 90.5° west longitude. At the southernmost latitude Asclepias curassavica, an exotic annual, perennates, harbors phytomonads and is infested the year round with Oncopeltus. Usually but not always infection is correlated with the presence and abundance of insect vectors. The annual die-back of the usually infected perennial plant hosts, the uninfected emerging vernal growth, the reservoir nidus of infected plants in the southern latitudes, and the known proclivity of O. fasciatus to migrate suggest the spread of flagellosis of Asclepiadaceae thru migration of the vector hemipteron.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1971.tb03329.x
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  • 6
    Electronic Resource
    Electronic Resource
    Growth and Reproduction of Leptomonas oncopelti in the Milkweed Bug, Oncopeltus fasciatus (1962)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 9 (1962), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. A laboratory colony of Oncopeltus fasciatus was found to be infected with Leptomonas oncopelti. Inasmuch as the parasite is transmitted from parent to offspring an opportunity presented itself to study the biology and transmission of this parasite under controlled laboratory conditions. An apparatus for observing individual bugs was designed and the presence or absence of flagellates in the feces determined. Flagellates were not shed until the bugs became adults after which they appeared in every defecation. Dissection of infected bugs revealed that flagellates were not present in the rectum until adulthood. Further studies indicated that in the midgut of the insect there is a departure from binary fission to budding. The nucleus divides and one of the newly formed nuclei migrates toward a newly formed kinetoplast. Rarely there is still another kinetoplast/nucleus division. In the event the new axoneme grows within the cytoplasmic sheath of the parent flagellum, smaller organisms produced by unequal cytokinesis remain attached. If the axoneme grows free, the smaller daughter organisms become free-swimming. Passage into the rectum of the adult bugs causes a rounding up of all parasites although the leishmaniform organisms continue to divide. It is presumed that infection of clean bugs is accomplished by the ingestion of leishmaniform organisms through a common water source. The reason for the presence of flagellates in the rectum of the adult but not in the nymphal insect and the mechanism responsible for the change from binary to unequal fission are not known.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1962.tb02660.x
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  • 7
    Electronic Resource
    Electronic Resource
    The Intra-erythrocytic Development of Babesiosoma stableri n. sp. in Rana pipiens pipiens (1961)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 8 (1961), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The occurrence of Babesiosoma stableri n. sp. in the erythrocytes of Rana pipiens pipiens extends the host range of babesiosomids to the Salientia. The proposed sequence of developmental stages includes the following events: (1) two successive nuclear divisions of the uninucleate trophozoite produce a tetranucleate organism, (2) cytoplasmic cleavage initiated at each pole of the tetranucleate parasite results in four daughter individuals arranged in a cross-form, (3) the four merozoites originating from the cruciform schizont separate without the formation of a residual mass of cytoplasm, (4) gametocytes which presumably arise from differentiated merozoites do not exhibit dimorphism. The morphology and characteristics of the parasite's development were not altered when B. stableri was experimentally transferred to: R. p. sphenocephala, Rana catesbeiana, Bufo americanus, Bufo woodhousei fowleri, and Bufo terrestris. Experimental infections, with few exceptions, exhibited a peak parasitemia followed by a decline in the number of babesiosomids. Infections persisted at a low level or disappeared during the period of study.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1961.tb01232.x
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  • 8
    Electronic Resource
    Electronic Resource
    Guidelines for the Description of New Species of Lower Trypanosomatids (1983)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 30 (1983), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Morphological, cultural, and biochemical criteria that have been used in describing lower trypanosomatids, genera Blastocrithidia, Crithidia, Leptomonas, Herpetomonas, Rhynchoidomonas, and Phytomonas are reviewed. Kinetoplast structure, carbohydrate utilization, electrophoretic mobilities of isoenzymes, and kDNA fingerprinting are among the recommended criteria for species differentiation. Temperature, pH, and osmolarity tolerance are useful growth parameters. Generic placement may be assisted by the determination of nitrogenous excretion products and ornithine-arginine cycle enzymes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1983.tb02921.x
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  • 9
    Electronic Resource
    Electronic Resource
    Taylor, Angela E. R. & Baker, John R. 1978. Methods of Cultivating Parasites In Vitro. Academic Press, Inc., London, New York. San Francisco. I-301 Pp. Isbn: 0-12-68555-01. Price ˜$32.00. (1980)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 27 (1980), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1980.tb04244.x
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  • 10
    Electronic Resource
    Electronic Resource
    Transmission of the Trypanosomatid Flagellate Phytomonas davidi, a Symbiont of the Euphorbiaceae, by the Hemipteran Bug Pachybrachius bilobata scutellatus (1982)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 29 (1982), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: . Phytomonas davidi is found in the latex of species of the plant family Euphorbiaceae, including Chamaesyce hirta and C. hyssopifolia, to latitude 32°N in the southeastern United States. The hemipteran Pachybrachius bilobata scutellatus (family Lygaeidae) serves as an agent of transmission from plant to plant. Heavy infections of flagellates in the salivary glands were observed; trypanosomatids were less than one-half the size seen in the plants and in the gut of the bug.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1982.tb05430.x
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