Academic literature on the topic 'Parasite morphology'

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Journal articles on the topic "Parasite morphology"

1

Rahimian, Hassan. "Parasites of fingerling herringClupea harengusL.: ecology and fine morphology." Journal of Helminthology 81, no. 2 (2007): 199–217. http://dx.doi.org/10.1017/s0022149x07735381.

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AbstractThe parasite fauna of young-of-the-year herringClupea harengusL., off Gullmarsfjord and Brofjorden, west coast of Sweden, was studied between May and October for 4 years, from 1994 to 1997. Fifteen species of parasites were found: two Protozoa –Trichodina sp.andCeratomyxa auerbachi; one species of uncertain affinity –Ichthyophonus hoferi; two Monogenea –Gyrodactylus harengiandPseudanthocotyloides heterocotyle; five Digenea –Cryptocotyle linguametacercariae,Cercaria pythionikemetacercariae,Hemiurus luehei,Lecithaster confususandPseudobacciger harengulae; three Cestoda plerocercoids –Bot
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GRUBER, JANINE, PETRA GANAS, and MICHAEL HESS. "Long-term in vitro cultivation of Histomonas meleagridis coincides with the dominance of a very distinct phenotype of the parasite exhibiting increased tenacity and improved cell yields." Parasitology 144, no. 9 (2017): 1253–63. http://dx.doi.org/10.1017/s0031182017000646.

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SUMMARYThe majority of research on Histomonas meleagridis was performed in the first half of the last century, especially those on morphological aspects. In the present study identical monoxenic settings for cultures of the same H. meleagridis clonal strain in its virulent low passage and attenuated high passage form enabled a comparative analysis of parasite characteristics. For the first time, it could be shown that long-term in vitro cultivation led to a severe shift in cell morphology, with the occurrence of a very distinct phenotype expressing a flagellated and highly amoebic cell morphol
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PERKINS, S. L., E. S. MARTINSEN, and B. G. FALK. "Do molecules matter more than morphology? Promises and pitfalls in parasites." Parasitology 138, no. 13 (2011): 1664–74. http://dx.doi.org/10.1017/s0031182011000679.

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SUMMARYSystematics involves resolving both the taxonomy and phylogenetic placement of organisms. We review the advantages and disadvantages of the two kinds of information commonly used for such inferences – morphological and molecular data – as applied to the systematics of metazoan parasites generally, with special attention to the malaria parasites. The problems that potentially confound the use of morphology in parasites include challenges to consistent specimen preservation, plasticity of features depending on hosts or other environmental factors, and morphological convergence. Molecular
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Öktener, Ahmet. "Morphology of Lernanthropinus trachuri ()(Copepoda, Siphonostomatoida, Lernanthropidae) from Bandirma Bay(Turkey)." Transylvanian Review of Systematical and Ecological Research 20, no. 3 (2018): 57–66. http://dx.doi.org/10.2478/trser-2018-0019.

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Abstract The parasitic copepod, Lernanthropinus trachuri (Brian, 1903) (Copepoda, Siphonostomatoida, Lernanthropidae)was found on the Mediterranean horse mackerel, Trachurus mediterraneus in Bandırma Bay, Turkey. The aim of this study is to present female Lernanthropinus trachuri with morphological characters with photos from Turkey. The details unseen in photos were supported with drawings. All parasites were firmly attached to the gill filaments of the host. This parasite is also specific for the genus Trachurus (Costa et al 2017). Therefore, this parasite may use as biomonitor or tag specie
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Sweet, Andrew D., Sarah E. Bush, Daniel R. Gustafsson, et al. "Host and parasite morphology influence congruence between host and parasite phylogenies." International Journal for Parasitology 48, no. 8 (2018): 641–48. http://dx.doi.org/10.1016/j.ijpara.2018.01.007.

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6

Coppens, Isabelle. "Metamorphoses of malaria: the role of autophagy in parasite differentiation." Essays in Biochemistry 51 (October 24, 2011): 127–36. http://dx.doi.org/10.1042/bse0510127.

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Several protozoan parasites undergo a complex life cycle that alternates between an invertebrate vector and a vertebrate host. Adaptations to these different environments by the parasites are achieved by drastic changes in their morphology and metabolism. The malaria parasites must be transmitted to a mammal from a mosquito as part of their life cycle. Upon entering the mammalian host, extracellular malaria sporozoites reach the liver and invade hepatocytes, wherein they meet the challenge of becoming replication-competent schizonts. During the process of conversion, the sporozoite selectively
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7

Sanyal, Sohini, Stéphane Egée, Guillaume Bouyer, et al. "Plasmodium falciparum STEVOR proteins impact erythrocyte mechanical properties." Blood 119, no. 2 (2012): e1-e8. http://dx.doi.org/10.1182/blood-2011-08-370734.

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Infection of erythrocytes with the human malaria parasite, Plasmodium falciparum, results in dramatic changes to the host cell structure and morphology. The predicted functional localization of the STEVOR proteins at the erythrocyte surface suggests that they may be involved in parasite-induced modifications of the erythrocyte membrane during parasite development. To address the biologic function of STEVOR proteins, we subjected a panel of stevor transgenic parasites and wild-type clonal lines exhibiting different expression levels for stevor genes to functional assays exploring parasite-induc
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WOOTTON, EMMA C., EDWARD C. POPE, CLAIRE L. VOGAN, EMILY C. ROBERTS, CHARLOTTE E. DAVIES, and ANDREW F. ROWLEY. "Morphology and pathology of the ectoparasitic copepod, Nicothoë astaci (‘lobster louse’) in the European lobster, Homarus gammarus." Parasitology 138, no. 10 (2011): 1285–95. http://dx.doi.org/10.1017/s003118201100093x.

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SUMMARYEctoparasitic copepods have been reported in a wide range of aquatic animals, including crustacean shellfish. However, with the exception of the salmon louse, Lepeophtheirus salmonis, our knowledge of such parasites in commercial species is rudimentary. The current study examines the morphology and pathology of the parasitic copepod, Nicothoë astaci (the ‘lobster louse’) in its host, the European lobster, Homarus gammarus. Lobsters were sampled from waters surrounding Lundy Island (Bristol Channel, UK) and all individuals collected were found to harbour female adult N. astaci in their g
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9

Grabda-Kazubska, B., V. Kiseliene, and Ch Bayssade-Dufour. "Morphology and chaetotaxy ofEchinochasmussp. cercaria (Trematoda, Echinochasmidae)." Annales de Parasitologie Humaine et Comparée 66, no. 6 (1991): 263–68. http://dx.doi.org/10.1051/parasite/1991666263.

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10

Poulin, Robert, and William J. Hamilton. "The Hamilton and Zuk Hypothesis Revisited: a Meta-Analytical Approach." Behaviour 134, no. 3-4 (1997): 299–320. http://dx.doi.org/10.1163/156853997x00485.

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AbstractThe Hamilton & Zuk (1982) hypothesis of parasite-mediated sexual selection has been the subject of both inter- and intraspecific tests. Past reviews have used vote counting to determine whether this hypothesis is supported by empirical evidence. This study reanalysed 199 separate quantitative assessments of a central prediction of the Hamilton & Zuk hypothesis using meta-analytical techniques. Overall, our meta-analysis showed that there was a significant negative effect of parasites on male showiness as predicted. However the magnitude of this effect varied between host taxa a
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