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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimir: 0018-8166
ISSN On-line: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v43.i5.80
pages 101-107

Growth of the Microalga Phaeodactylum tricornutum under the Influence of Copper and Capability of Culture of Restoring in Pure Environment

Zh. V. Markina
A.V. Zhirmunsky Institute of Marine Biology, FEB RAS, 17, Palchevskogo St., Vladivostok 690059, Russia
N. A. Ayzdaycher
Institute of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 17, Palchevskogo St., 690041 Vladivostok

RESUMO

The cell number and chlorophyll a content in the microalga Phaeodactylum tricornutum were decreased in the nutrient medium with concentration of 0.13 mg·L−1 copper as compared to the control. The dynamics of content of carotenoids was irregular and, at the same time, size and shape of cells changed. After the transfer of microalga to a copper-free medium, cell numbers, chlorophyll a and carotenoids content were considerably higher than these were in the control; size and shape of cells restored to their control values after two experimental days.


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