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Phylogeny, taxonomy and intraspecific variation of the rocky-intertidal trematode <i>Opecoelus adsphaericus</i> (Opecoelidae: Opecoelinae), a parasite of <i>Clinocottus analis</i> (Perciformes: Cottidae) from Baja California. [PDF]
Int J Parasitol Parasites WildlMartínez-Aquino A +5 more
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Intraspecific Variation and Species Coexistence
The American Naturalist, 2007We use a two-species model of plant competition to explore the effect of intraspecific variation on community dynamics. The competitive ability ("performance") of each individual is assigned by an independent random draw from a species-specific probability distribution.
Jeremy W, Lichstein +3 more
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Intraspecific variation in the lens proteins
Biochemical Genetics, 1973A review of the literature indicates that intraspecific variation among the lens proteins (crystallins) is almost invariably quantitative rather than qualitative. Lens extracts were examined from inbred strains of the laboratory mouse, rat, and guinea pig and from domestic breeds of sheep.
T H, Day, R M, Clayton
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Intraspecific Variation in Plasmodium Falciparum
The American Journal of Tropical Medicine and Hygiene, 1974Abstract Significant structural differences are observed between the chloroquine-resistant Vietnam (Smith) strain and the chloroquine-sensitive Malaya (Camp-Sadun) strain of Plasmodium falciparum. The Vietnam strain shows subpellicular microtubules in the gametocyte, granular aggregates of the nucleus and enlargement of food vacuoles in the gametocyte ...
M, Aikawa, R A, Ward
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The ecological importance of intraspecific variation
Nature Ecology & Evolution, 2017Human activity is causing wild populations to experience rapid trait change and local extirpation. The resulting effects on intraspecific variation could have substantial consequences for ecological processes and ecosystem services. Although researchers have long acknowledged that variation among species influences the surrounding environment, only ...
Simone Des Roches +7 more
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Intraspecific Variation in Cryptocaryon irritans
Journal of Eukaryotic Microbiology, 1997ABSTRACT. Intraspecific variation in the ciliate Cryptocaryon irritans was examined using sequences of the first internal transcribed spacer region (ITS‐1) of ribosomal DNA (rDNA) combined with developmental and morphological characters. Amplified rDNA sequences consisting of 151 bases of the flanking 18 S and 5.8 S regions, and the entire ITS‐1 ...
Diggles, Benjamin K., Adlard, Robert D.
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Intraspecific variation inEchinococcus: A biochemical approach
Zeitschrift f�r Parasitenkunde Parasitology Research, 1979In the present study, the soluble proteins of Echinococcus were separated by thin-layer isoelectric focusing in polyacrylamide gels (pH range 3.5-9.5), in order to determine whether inter and intraspecific differences can be detected by this technique. The two distinct species E. granulosus and E.
Kumaratilake, L.M. +2 more
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Interspecific and Intraspecific Variation in Cercariae Release
Journal of Parasitology, 2009Given the importance of temperature for the shedding of trematode infective stages (cercariae) from gastropod first intermediate hosts, we investigated the response to temperature increases of trematodes of the intertidal snail Zeacumantus subcarinatus collected from different latitudes (differing in mean annual summer temperature) on the South Island ...
J, Koprivnikar, R, Poulin
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Intraspecific variation of isoenzymes in Taenia taeniaeformis
International Journal for Parasitology, 1995The technique of isoenzyme electrophoresis was applied to Japanese wild populations of Taenia taeniaeformis (isolated from Norway rats) and three laboratory reared isolates (KRN isolated from a Malaysian Norway rat, BMM from a Belgian house mouse and ACR from a Japanese gray red-backed vole).
M, Okamoto +5 more
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Intraspecific flavonoid variation
The Botanical Review, 1987This review is concerned with variation of flavonoid patterns within species. Many examples of species with invariant flavonoid patterns are known; there are at least as many examples where complex arrays of pigments are known. Eight categories of variation are discussed: 1) qualitatively invariant pigment profiles, 2) quantitative variation, 3 ...
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