Trypanosome sentence example

trypanosome
  • Nevertheless, the fact, commented upon by several observers, that even here an infected fly is only infectious for a comparatively short period suggests that this species of fly, at any rate, is not the true alternate host in which the life-cycle of that particular Trypanosome is completed.
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  • The first observation of a trypanosome is usually ascribed to Valentin (55), who in 1841 announced his discovery of certain amoeboid parasites in the blood of a trout.
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  • The main features of trypanosomosis, or illness caused by a Trypanosome, show a general agreement, whichever variety is considered; one symptom may be, of course, more marked than another in any particular case.
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  • A Trypanosome always possesses two distinct nuclear bodies, one the trophonucleus, regulating the trophic life of the cell, the other, the kinetonucleus, directing its locomotor activities.
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  • According to Schaudinn's account, he was dealing with two separate Trypanosome parasites of the Little Owl (Athene noctua), viz.
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  • The male gametes, it may be noted, are said to possess the essential characters of a Trypanosome.
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  • The development of an indifferent ookinete into, an indifferent Trypanosome is shown in fig.
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  • Brumpt (5a), Leger (32, 33), Keysselitz (16), Prowazek (47), Minchin (41b) and others - has undoubtedly shown that much of Schaudinn's scheme of the life-history of a Trypanosome is well-founded.
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  • Certain individuals of a particular character form definite rounded cysts in the rectum of the fly; in this condition, the only sign of Trypanosome structure is afforded by the two nuclei, which remain separate.
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  • The larger nuclear body, which corresponds to the trophonucleus of a Trypanosome, is usually round or oval; the smaller one, representing a kinetonucleus, has the form either of a little rod or of a round grain, and is generally separate from the larger nucleus.
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  • Nevertheless, the general appearance and structure of these motile forms so greatly resemble that of a Herpetomonad, or of the " pseudo-Herpetomonadine " forms of a Trypanosome which are obtained in cultures, that it cannot be doubted that the " Leishman-Donovan-Wright " bodies are closely connected with the Haemoflagellates.
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  • We would like to better understand how the dense VSG coat protects the trypanosome from complement mediated lysis.
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  • The parasite that causes sleeping sickness is called the trypanosome.
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  • Expression of a novel, rapidly evolving gene family in the bloodstream form of a pathogenic African trypanosome.
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  • The bloodstream form trypanosome is therefore continuously balancing on the brink of destruction.
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  • The " carrier " of a Trypanosome of warmblooded vertebrates is, in all instances so far described, an insect, generally a member of the Diptera; in the case of parasites of cold-blooded vertebrates the same role is usually played by an ichthyobdellid leech (piscine forms), but possibly, now and again, by an Ixodes (amphibian or reptilian forms).
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  • The trypanosome life cycle in the fly is regulated by symbiotic bacteria in its gut into which it is possible to insert foreign genes.
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  • Researchers produced cloned populations of two trypanosome stocks with induced Suramin resistance.
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  • Caused by the trypanosome parasite Trypanosoma brucei rhodesiense, which is carried by the tsetse fly, the disease is fatal if not treated.
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  • We also exploit a wide range of assays and functional studies to determine the precise role that the protein plays in trypanosome biology.
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  • The disease is caused by a parasite called Trypanosome brucei.
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  • A Trypanosome usually produces markedly harmful effects upon gaining an entry into animals which have never been, by their distribution, liable to its invasion previously.
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