Relevant bibliographies by topics / Strongyloides ratti

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Academic literature on the topic 'Strongyloides ratti'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Strongyloides ratti"

1

VINEY, MARK, and TAISEI KIKUCHI. "Strongyloides ratti and S. venezuelensis – rodent models of Strongyloides infection." Parasitology 144, no. 3 (2016): 285–94. http://dx.doi.org/10.1017/s0031182016000020.

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SUMMARYStrongyloides spp. are common parasites of vertebrates and two species, S. ratti and S. venezuelensis, parasitize rats; there are no known species that naturally infect mice. Strongyloides ratti and S. venezuelensis overlap in their geographical range and in these regions co-infections appear to be common. These species have been widely used as tractable laboratory systems in rats as well as mice. The core biology of these two species is similar, but there are clear differences in aspects of their within-host biology as well as in their free-living generation. Phylogenetic evidence sugg
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2

KULKARNI, ARPITA, ANNA DYKA, LINDA NEMETSCHKE, WARWICK N. GRANT, and ADRIAN STREIT. "Parastrongyloides trichosuri suggests that XX/XO sex determination is ancestral in Strongyloididae (Nematoda)." Parasitology 140, no. 14 (2013): 1822–30. http://dx.doi.org/10.1017/s0031182013001315.

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SUMMARYThe parasitic roundworms Strongyloides stercoralis (in man) and Strongyloides ratti (in rats) employ environmentally controlled XX/XO sex determination with a pair of X chromosomes and two pairs of autosomes. Strongyloides papillosus (in sheep) has only two pairs of chromosomes, one of which combines the genetic material homologous to the S. ratti chromosomes X and I. This species creates males through the elimination of one copy of the portion related to the X chromosome (chromatin diminution). It is not clear which one of these two sex-determining mechanisms is ancestral. We demonstra
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HINO, AKINA, TERUHISA TANAKA, MAHO TAKAISHI, et al. "Karyotype and reproduction mode of the rodent parasite Strongyloides venezuelensis." Parasitology 141, no. 13 (2014): 1736–45. http://dx.doi.org/10.1017/s0031182014001036.

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SUMMARYStrongyloides venezuelensis is a parasitic nematode that infects rodents. Although Strongyloides species described to date are known to exhibit parthenogenetic reproduction in the parasitic stage of their life cycle and sexual reproduction in the free-living stage, we did not observe any free-living males in S. venezuelensis in our strain, suggesting that the nematode is likely to depend on parthenogenetic reproduction. We confirmed by cytological analysis that S. venezuelensis produces eggs by parthenogenesis during the parasitic stage of its life cycle. Phylogenetic analysis using nea
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4

Korenaga, M., Y. Hitoshi, K. Takatsu, and I. Tada. "Cross-resistance between Strongyloides venezuelensis and S. ratti in mice." Journal of Helminthology 69, no. 2 (1995): 119–23. http://dx.doi.org/10.1017/s0022149x00014000.

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AbstractCross-resistance between Strongyloides venezuelensis and S. ratti was tested in mice. The mice were immunized with S. ratti and challenged with infective filariform larvae or larvae recovered from the lungs of mice, of a heterologous species, S. venezuelensis. In this system, cross-resistance was expressed to the intestinal stage but not to the migrating stage of the parasite. Anti-interleukin (IL)-5 monoclonal antibody (mAb) treatment showed that peripheral blood eosinophilia after infection with both species of the genus Strongyloides was dependent on IL-5. Cross-resistance expressed
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5

Harvey, S. C., and M. E. Viney. "Sex Determination in the Parasitic Nematode Strongyloides ratti." Genetics 158, no. 4 (2001): 1527–33. http://dx.doi.org/10.1093/genetics/158.4.1527.

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Abstract The parasitic nematode Strongyloides ratti reproduces by both parthenogenesis and sexual reproduction, but its genetics are poorly understood. Cytological evidence suggests that sex determination is an XX/XO system. To investigate this genetically, we isolated a number of sex-linked DNA markers. One of these markers, Sr-mvP1, was shown to be single copy and present at a higher dose in free-living females than in free-living males. The inheritance of two alleles of Sr-mvP1 by RFLP analysis was consistent with XX female and XO male genotypes. Analysis of the results of sexual reproducti
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6

BLEAY, C., C. P. WILKES, S. PATERSON, and M. E. VINEY. "The effect of infection history on the fitness of the gastrointestinal nematode Strongyloides ratti." Parasitology 136, no. 5 (2009): 567–77. http://dx.doi.org/10.1017/s0031182009005617.

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SUMMARYHosts in nature will often acquire infections by different helminth species over their lifetime. This presents the potential for new infections to be affected (particularly via the host immune response) by a host's history of previous con- or hetero-specific infection. Here we have used an experimental rat model to investigate the consequences of a history of primary infection with either Nippostrongylus brasiliensis, Strongyloides venezuelensis or S. ratti on the fitness of, and immunological response to, secondary infections of S. ratti. We found that a history of con-specific, but no
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Viney, M. E. "A genetic analysis of reproduction in Strongyloides ratti." Parasitology 109, no. 4 (1994): 511–15. http://dx.doi.org/10.1017/s0031182000080768.

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SUMMARYStrongyloides ratti has a complex life-cycle with two adult generations, one free-living and dioecious and one parasitic and female only. The parasitic females reproduce by parthenogenesis, but it is unclear whether this is mitotic or meiotic in nature. This question has been addressed genetically by analysing the progeny of parasitic females that were heterozygous at an actin locus for evidence of allelic segregation. Such progeny were similarly heterozygous showing that segregation had not occurred. It was therefore concluded that reproduction in the parasitic female of S. ratti is fu
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8

Watanabe, K., O. Sasaki, S. Hamano, et al. "Strongyloides ratti: the role of interleukin-5 in protection against tissue migrating larvae and intestinal adult worms." Journal of Helminthology 77, no. 4 (2003): 355–61. http://dx.doi.org/10.1079/joh2003187.

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AbstractTo determine the role of interleukin-5 (IL-5) and eosinophils in protection against Strongyloides ratti, mice treated with anti-IL-5 monoclonal antibody (mAb) were infected with S. ratti larvae. Strongyloides ratti egg numbers in faeces (EPG) in mAb treated mice were higher than those in control mice on days 6 and 7 after inoculation. The numbers of migrating worms in mAb treated mice 36 h after inoculation were higher than those observed in control mice. Intestinal worm numbers in mAb treated mice 5 days after inoculation were higher than those in control mice. These results show that
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COSTA-CRUZ, Julia Maria, Carina Barbosa BULLAMAH, Maria do Rosário F. GONÇALVES-PIRES, Dulcinéa Maria B. CAMPOS, and Miguel Alípio VIEIRA. "Cryo-Microtome sections of coproculture larvae of Strongyloides stercoralis and Strongyloides ratti as antigen sources for the immunodiagnosis of human strongyloidiasis." Revista do Instituto de Medicina Tropical de São Paulo 39, no. 6 (1997): 313–18. http://dx.doi.org/10.1590/s0036-46651997000600001.

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Cryo-microtome sections of larvae of Strongyloides stercoralis and S. ratti respectively obtained from human and rat feces cultures, were used as antigens. Fluoresceinate conjugates against human IgG were employed at the ideal titer of 10 for S. stercoralis and 100 for S. ratti. The sensitivity of the indirect immunofluorescence reaction (IIF) was 94.4% and 92.5% and the specificity 94.2% and 97.1% for the two specific larval antigens, respectively. Sera from 123 persons (54 from carriers of S. stercoralis infections and 69 from controls) were submitted to the reaction. The titers of different
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10

CROOK, M., and M. E. VINEY. "The effect of non-immune stresses on the development of Strongyloides ratti." Parasitology 131, no. 3 (2005): 383–92. http://dx.doi.org/10.1017/s0031182005007675.

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Strongyloides ratti is a parasitic nematode of rats. The host immune response against S. ratti affects the development of its free-living generation, favouring the development of free-living adult males and females at the expense of directly developing, infective 3rd-stage larvae. However, how the host immune response brings about these developmental effects is not clear. To begin to investigate this, we have determined the effect of non-immune stresses on the development of S. ratti. These non-immune stresses were subcurative doses of the anthelmintic drugs Ivermectin, Dithiazanine iodide and
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Dissertations / Theses on the topic "Strongyloides ratti"

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Harvey, Simon Crawford. "Sex determination in Strongyloides ratti." Thesis, University of Edinburgh, 1999. http://hdl.handle.net/1842/10942.

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The mechanism of sex determination and the development control of the life-cycle of the gastro-intestinal parasite, <i>Strongyloides ratti</i> was investigated using a combination of genetic and parasitological techniques. Parasitological analysis investigated the effects of intra- and extra-host factors on the development of the free-living phase of the life cycle. An initial analysis of the distribution of infective stages among host faecal pellets showed that they were significantly overdispersed and well described by the negative binomial distribution. This overidspersion was found to occu
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Haddow, W. J. "Immunity to Strongyloides ratti in the rat." Thesis, University of Nottingham, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356024.

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Fisher, Matthew C. "Population genetics of the parasitic nematode, Strongyloides ratti." Thesis, University of Edinburgh, 1997. http://hdl.handle.net/1842/14859.

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This study investigates the genetic structure of natural populations of the nematode parasite, <I>Strongyloides ratti. S. ratti </I>has an unusual life-cycle that may be wholly asexual, or include a free-living adult phase where conventional sexual reproduction occurs. The population genetic structure of <I>S. ratti</I> was investigated i) in relation to the partitioning of parasites within and between hosts, within and between difference geographical locations and ii) in relation to the intensity of infection of different hosts. In this manner, the extent of population subdivision was charact
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Gemmill, A. W. "Life history biology of the parasitic nematode Strongyloides ratti." Thesis, University of Edinburgh, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.651386.

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Causes and consequences of plasticity in parasite life histories were investigated using a gastrointestinal nematode species, <I>Strongyloides ratti</I>, a natural parasite of rats. Empirical work focused on three putative instances of adaptive and non-adaptive plasticity in the life history of <I>S. ratti</I>: host-specificity, facultative sexuality, and immune-dependent maturation time. Host-specificity (the differential success of a parasite on alternative host types) represents (non-adaptive) plasticity in fitness and is commonly viewed as an unavoidable outcome of parasite specialisation
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McHugh, Timothy Daniel. "Immunological and ultrastructural studies of Strongyloides ratti (Nematoda: Rhabditoidea)." Thesis, University of Portsmouth, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328164.

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Spinner, William George. "Characterisation of proteins from the parasitic stage of Strongyloides ratti." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.541615.

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Crook, Matthew. "The control of development in the parasitic nematode 'Strongyloides ratti'." Thesis, University of Bristol, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.409420.

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Tazir, Yasmina. "Strongyloides ratti : identification, isolation and characterisation of Heat Shock Protein 10 and Heat Shock Protein 60 /." Giessen : VVB Laufersweiler, 2009. http://d-nb.info/99845494X/04.

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Nageswaran, Chandiravathy. "Immunological studies in strongyloides ratti infection in rats with special reference to antigen detection." Thesis, University of Liverpool, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.385216.

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Tazir, Yasmina [Verfasser]. "Strongyloides ratti : identification, isolation and characterisation of heat shock protein 10 and heat shock protein 60 / eingereicht von Yasmina Tazir." Giessen : VVB Laufersweiler, 2009. http://d-nb.info/999681656/34.

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Books on the topic "Strongyloides ratti"

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McHugh, Timothy Daniel. Immunological and ultrastructural studies of Strongyloides ratti (Nematoda: Rhabditoidea). Portsmouth Polytechnic, School of Biological Sciences, 1989.

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2

Power, Jonathan David. Biochemical and immunological studies of Strongyloides ratti (Nematoda: Rhabditoidea). University of Portsmouth, School of Biological Sciences, 1994.

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Book chapters on the topic "Strongyloides ratti"

1

Gardner, Michael P., Mark E. Viney, and David Gems. "Strongyloides ratti: A Nematode with Extraordinary Plasticity in Aging." In Handbook of Models for Human Aging. Elsevier, 2006. http://dx.doi.org/10.1016/b978-012369391-4/50021-7.

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