Relevant bibliographies by topics / Coitocaecum parvum

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  2. Dissertations / Theses

Academic literature on the topic 'Coitocaecum parvum'

Author: Grafiati
Published: 4 June 2021
Last updated: 19 February 2022

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Journal articles on the topic "Coitocaecum parvum"

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DANIELS, R. RUIZ, S. BELTRAN, R. POULIN, and C. LAGRUE. "Do parasites adopt different strategies in different intermediate hosts? Host size, not host species, influences Coitocaecum parvum (Trematoda) life history strategy, size and egg production." Parasitology 140, no. 2 (October 15, 2012): 275–83. http://dx.doi.org/10.1017/s0031182012001564.

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SUMMARYHost exploitation induces host defence responses and competition between parasites, resulting in individual parasites facing highly variable environments. Alternative life strategies may thus be expressed in context-dependent ways, depending on which host species is used and intra-host competition between parasites. Coitocaecum parvum (Trematode) can use facultative progenesis in amphipod intermediate hosts, Paracalliope fluviatilis, to abbreviate its life cycle in response to such environmental factors. Coitocaecum parvum also uses another amphipod host, Paracorophium excavatum, a spec
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LAGRUE, CLÉMENT, JONATHAN M. WATERS, ROBERT POULIN, and DEVON B. KEENEY. "Microsatellite loci for the progenetic trematode,Coitocaecum parvum(Opecoelidae)." Molecular Ecology Notes 7, no. 4 (January 12, 2007): 694–96. http://dx.doi.org/10.1111/j.1471-8286.2007.01680.x.

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LAGRUE, C., and R. POULIN. "Lack of seasonal variation in the life-history strategies of the trematode Coitocaecum parvum: no apparent environmental effect." Parasitology 135, no. 10 (July 29, 2008): 1243–51. http://dx.doi.org/10.1017/s0031182008004782.

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SUMMARYParasites with complex life cycles have developed numerous and very diverse adaptations to increase the likelihood of completing this cycle. For example, some parasites can abbreviate their life cycles by skipping the definitive host and reproducing inside their intermediate host. The resulting shorter life cycle is clearly advantageous when definitive hosts are absent or rare. In species where life-cycle abbreviation is facultative, this strategy should be adopted in response to seasonally variable environmental conditions. The hermaphroditic trematode Coitocaecum parvum is able to mat
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LAGRUE, C., and R. POULIN. "Life cycle abbreviation in the trematode Coitocaecum parvum: can parasites adjust to variable conditions?" Journal of Evolutionary Biology 20, no. 3 (May 2007): 1189–95. http://dx.doi.org/10.1111/j.1420-9101.2006.01277.x.

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Lefebvre, François, and Robert Poulin. "ALTERNATIVE REPRODUCTIVE STRATEGIES IN THE PROGENETIC TREMATODE COITOCAECUM PARVUM: COMPARISON OF SELFING AND MATING WORMS." Journal of Parasitology 91, no. 1 (February 2005): 93–98. http://dx.doi.org/10.1645/ge-335r.

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RAUQUE, C. A., R. A. PATERSON, R. POULIN, and D. M. TOMPKINS. "Do different parasite species interact in their effects on host fitness? A case study on parasites of the amphipod Paracalliope fluviatilis." Parasitology 138, no. 9 (July 15, 2011): 1176–82. http://dx.doi.org/10.1017/s0031182011000928.

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SUMMARYThere is a gap in our understanding of the relative and interactive effects of different parasite species on the same host population. Here we examine the effects of the acanthocephalan Acanthocephalus galaxii, an unidentified cyclophyllidean cestode, and the trematodes Coitocaecum parvum and Microphallus sp. on several fitness components of the amphipod Paracalliope fluviatilis, using a combination of infection surveys and both survival and behavioural trials. In addition to significant relationships between specific parasites and measures of amphipod survival, maturity, mating success
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LAGRUE, C., and R. POULIN. "Heritability and short-term effects of inbreeding in the progenetic trematode Coitocaecum parvum: is there a need for the definitive host?" Parasitology 136, no. 2 (December 18, 2008): 231–40. http://dx.doi.org/10.1017/s0031182008005325.

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SUMMARYSelf-fertilization (or selfing), defined as the fusion of male and female reproductive cells originating from the same individual, is the most extreme case of inbreeding. Although most hermaphroditic organisms are in principle able to self-fertilize, this reproductive strategy is commonly associated with a major disadvantage: inbreeding depression. Deleterious effects due to the loss of genetic diversity have been documented in numerous organisms including parasites. Here we studied the effects of inbreeding depression on the offspring of the progenetic trematode Coitocaecum parvum. The
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Lagrue, Clément, and Robert Poulin. "Intra- and interspecific competition among helminth parasites: Effects on Coitocaecum parvum life history strategy, size and fecundity." International Journal for Parasitology 38, no. 12 (October 2008): 1435–44. http://dx.doi.org/10.1016/j.ijpara.2008.04.006.

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9

LAGRUE, C., R. RINNEVALLI, and R. POULIN. "Smelling the future: subtle life-history adjustments in response to environmental conditions and perceived transmission opportunities in a trematode." Parasitology 144, no. 4 (November 8, 2016): 464–74. http://dx.doi.org/10.1017/s003118201600192x.

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SUMMARYA number of parasites with complex life cycles can abbreviate their life cycles to increase the likelihood of reproducing. For example, some trematodes can facultatively skip the definitive host and produce viable eggs while still inside their intermediate host. The resulting shorter life cycle is clearly advantageous when transmission probabilities to the definitive hosts are low. Coitocaecum parvum can mature precociously (progenesis), and produce eggs by selfing inside its amphipod second intermediate host. Environmental factors such as definitive host density and water temperature i
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10

Selbach, Christian, and Robert Poulin. "Parasites in space and time: a novel method to assess and illustrate host-searching behaviour of trematode cercariae." Parasitology 145, no. 11 (March 5, 2018): 1469–74. http://dx.doi.org/10.1017/s0031182018000288.

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AbstractThe transmission from one host to another constitutes a challenging obstacle for parasites and is a key determinant of their fitness. Due to their complex life histories involving several different hosts, the free-living dispersal stages (cercariae) of digenean trematodes show a huge diversity in morphology and behaviour. On a finer scale, we still have an extremely limited understanding of the inter- and intraspecific variation in transmission strategies of many trematode species. Here, we present a novel method to study the movement patterns of cercariae of four New Zealand trematode
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Dissertations / Theses on the topic "Coitocaecum parvum"

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Lagrue, Clement, and n/a. "Alternative life-history strategies in the trematode Coitocaecum parvum (Opecoelidae) : effects of environmental factors and within-host competition." University of Otago. Department of Zoology, 2008. http://adt.otago.ac.nz./public/adt-NZDU20080905.111744.

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From simple beginnings, when only one host was required, numerous parasitic organisms have evolved complex life-cycles involving two or more host species. For example, trematode parasites reproduce in vertebrates, their definitive host, but their current life cycle also typically involves two intermediate hosts that were added during the course of evolution. Vertebrates are often considered to be the ancestral hosts of trematodes although other scenarios exist. While multi-host life cycles are observed in distantly related groups of parasites, their evolution remains largely unexplored. In t
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