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Bacterial presence in polar regions associated with environment modification by chemical compounds including contaminants

Abstrakt

Microbes are omnipresent and diverse members of all biological communities. In marine and freshwater ecosystems, microorganisms form the base of the food chain supporting higher trophic levels. Even though, microbes generally are thought to live in warm regions of Earth, many of them develop in cold climates. Polar regions remain relatively protected from widespread anthropogenic disturbances, which is a consequence of its remoteness and extreme climate conditions. For a long time these regions were considered to be free from chemical contamination until scientists discovered presence of pollutants there. Chemical contamination may induce serious disorders in the integrity of polar ecosystems influencing the growth of bacterial communities. Xenobiotics including persistent organic pollutants (POPs) are transported thousands of kilometers by the air and ocean currents, and they are deposed in high latitudes regions and accumulate in all elements of the environment including bacterial communities. It is important to determine their concentration levels in bacterial cells to assess the possibility of contaminants becoming transferred to higher trophic levels, considering, however, that some species of bacteria are capable of metabolizing xenobiotics, make them less toxic or even remove them from the environment.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
ENVIRONMENTAL REVIEWS nr 25, strony 481 - 491,
ISSN: 1181-8700
Język:
angielski
Rok wydania:
2017
Opis bibliograficzny:
Kosek K., Jankowska K., Polkowska Ż.: Bacterial presence in polar regions associated with environment modification by chemical compounds including contaminants// ENVIRONMENTAL REVIEWS. -Vol. 25, nr. 4 (2017), s.481-491
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1139/er-2017-0007
Weryfikacja:
Politechnika Gdańska

wyświetlono 25 razy

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