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Free Content A Presumptive Alphavirus in the Gastropod Mollusc, Aplysia californica

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Particles resembling alphaviruses were observed in tissues of healthy sea hares, Aplysia californica J. G. Cooper, 1863. These virus-like particles were bilayer bound vesicles, 65 nm in diameter with either electron dense, or lucent cores. Virus-like particles were found in vacuoles of epidermal cells from several tissues of the sea hare. Similar particles were also seen in extracellular spaces among the microvillae of cells containing one or more vacuoles. No atypical morphological characteristics were observed in cells containing the vacuoles compared with those without such vacuoles. Bacterial rods, frequently seen among the microvillae, were absent from ink gland epidermal cells of A. californica fed a diet of red algae, but present in sea hares fed romaine lettuce. Vacuoles with particles were present in A. californica fed both diets.

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Document Type: Research Article

Publication date: 2003-11-01

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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