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Parasitism: The Ecology and Evolution of Intimate Interactions
In "Parasitism, " Claude Combes explores the fascinating adaptations parasites have developed through their intimate interactions with their hosts. He begins with the biology of parasites their life… Expand
Complexity in parasite life cycles: population biology of cestodes in fish
1. This paper examines the population biology of two related species of bothriocephalid cestodes, parasites of teleostean fish, which live in sympatry. One species, Bothriocephalus barbatus, needs in… Expand
In vitro effect of larval Schistosoma mansoni excretory-secretory products on phagocytosis-stimulated superoxide production in hemocytes from Biomphalaria glabrata.
The in vitro production of the reactive oxygen metabolite superoxide (O2-) was confirmed in hemocytes from the schistosome intermediate host Biomphalaria glabrata. Active forms of the enzyme… Expand
Identification of a Schistosoma mansoni sporocyst excretory-secretory antioxidant molecule and its effect on superoxide production by Biomphalaria glabrata hemocytes.
- V. A. Connors, M. Lodes, T. Yoshino
- Biology, Medicine
- Journal of invertebrate pathology
- 1 November 1991
Excretory-secretory (E-S) products obtained during in vitro Schistosoma mansoni miracidium-to-sporocyst transformation were found to contain a 108-kDa polypeptide capable of scavenging both… Expand
Effects of Plagiorhynchus cylindraceus (Acanthocephala) on the energy metabolism of adult starlings, Sturnus vulgaris.
Although the relationship between intestinal parasitism, the ingestion and use of energy, and host survival is expected, little work has been done to outline the effect of such organisms upon their… Expand
Chemokinetic Effect of Interleukin-1β on Cultured Biomphalaria glabrata Embryonic Cells
Abstract Previous studies have indicated that a molecule with cytokine activity, possibly an interleukin-1-like (IL-1) molecule, plays a role in the killing of larval stages of the blood fluke… Expand
Synchronization of occurrence of the ovarian philometrid, Philometra carolinensis, with the spawning season of its fish host, the spotted seatrout, Cynoscion nebulosus
- Gina R. Perez, William A. Roumillat, Erin M. Levesque, V. A. Connors, I. Buron
- Biology, Medicine
- Parasitology Research
- 1 April 2009
The philometrid Philometra carolinensis inhabits the ovaries of the spotted seatrout, Cynoscion nebulosus. A 2-year study in estuaries of South Carolina showed that each year adult female worms were… Expand
Interleukin 1 activity in haemolymph from strains of the snail Biomphalaria glabrata varying in susceptibility to the human blood fluke, Schistosoma mansoni: presence, differential expression, and…
Cytokines control many of the steps in the complex pathways of immune and inflammatory responses in mammals. Recent reports also indicate that some invertebrates may produce cytokines such as… Expand
Isolation and functional characterization of snail hemocyte-modulating polypeptide from primary sporocysts ofSchistosoma mansoni
Abstract Infection with larval trematodes has been shown to inhibit several snail-host defences, including hemocyte phagocytosis, cytotoxicity, motility, and adherence. Certain plasma factors which… Expand
Schistosoma mansoni: interleukin-1 increases phagocytosis and superoxide production by hemocytes and decreases output of cercariae in schistosome-susceptible Biomphalaria glabrata.
Decreases in the number of Schistosoma mansoni cercariae released from susceptible M-line Biomphalaria glabrata were detected following injection with the recombinant human cytokine, interleukin-1.… Expand