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Biomass, protein- and carbohydrate-composition of phytoplankton in Varna Bay, Black Sea

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Abstract

It was shown that phytoplankton from the Varna Bay, Black Sea, has significantly more suspended carbohydrates, proteins and biomass in July than in April. The dominant species were Bacillariophyceae and Dinophyceae. Electrophoretic and fluorescent spectra have shown the main differences in molecular weight and stability of phytoplankton proteins. Phytoplankton included specific proteins distributed over a limited range of molecular weights between 14 and 72 kilodaltons (kDa). The most abundant protein constituents in phytoplankton samples collected in April were around 45–55 kDa. The seasonal variations of the environment influence the quantitative and qualitative changes in phytoplankton.

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Authors and Affiliations

  1. Department of Biology and Ecology, Bulgarian Academy of Sciences, Institute of Oceanology, P.O. Box 152, Varna, 9000, Bulgaria

    Snejana Moncheva & Galina Shtereva

  2. Department of Medicinal Chemistry, Hebrew University - Hadassah Medical School, P.O. Box 12065, Jerusalem, 91120, Israel

    Shela Gorinstein

  3. Department of Basic Sciences, Universidad del Bio-Bio, Chillan, Chile

    Fernando Toledo & Patricia Arancibia-Avila

  4. Bulgarian Academy of Sciences, Institute of Organic Chemistry with Center of Phytochemistry, Sofia, 1113, Bulgaria

    Ivan Goshev

  5. Kaplan Medical Center, Rehovot, Israel

    Simon Trakhtenberg

Authors
  1. Snejana Moncheva
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  2. Shela Gorinstein
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  3. Galina Shtereva
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  4. Fernando Toledo
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  5. Patricia Arancibia-Avila
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  6. Ivan Goshev
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  7. Simon Trakhtenberg
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Moncheva, S., Gorinstein, S., Shtereva, G. et al. Biomass, protein- and carbohydrate-composition of phytoplankton in Varna Bay, Black Sea. Hydrobiologia 501, 23–28 (2003). https://doi.org/10.1023/A:1026229100626

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