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Free Content Calcification in Marine-Occurring Yeasts

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Five species of yeasts, including three of marine origin, were tested for their ability to induce CaCO3 crystal formation in four different artificial media. Various cell conditions were used as inocula: active yeast cells, washed and unwashed “exhausted” cells, old cells and cell pieces (disrupted cells). Round or bundle-shaped crystals were formed after 18 days in cultures of washed “exhausted” cells of two sediment yeasts. Cell debris of a sediment isolate and of a terrestrial form showed roundish crystals after two days. Suitable controls were included in all cases, showing that the crystals were definitely cell-associated. The data suggest a possible geochemical role of marine sediment yeasts.

Document Type: Research Article

Publication date: January 1, 1964

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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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