Integrative studies of cryptophyte microalgae as a basis for their biodiversity research in the Black Sea at the modern level
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Abstract
Cryptophytes (class Cryptophyceae) are ecologically important group of microalgae present in freshwater and marine ecosystems, and playing important role in transformation of inorganic and organic matter. However, they are one of understudied group in the phytoplankton community of the Black Sea due to the difficulties of their identification by standard conservative research methods. The specialized working collection of live cultures of strains of the Black Sea cryptophytes established in the department of aquaculture and marine pharmacology of the «A. O. Kovalevsky Institute of Biology of the Southern Seas of RAS» based on isolation of cryptophyte cells from field collections and regular recultivation of the strains could be defined as a bioresource collection. The developed integrative approach, combining the intravital study of the morphology and biology of the cells of the cultured strains using light microscopy, study of the cell ultra-structure using electron microscopy, and molecular genetics methods, allows taxonomic identification of cryptophyte strains at modern level, leading to discovery of new species of cryptophytes in the Black Sea. Live cultures of the identified cryptophytes enable experimental works on their ecological physiology, trophic relationships and biotechnological characteristics allowing production of valuable biomolecules.
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References
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