Bioaccumulative and bioindicative role of fungi in the environment

• Autorzy: Moliszewska E. , Dołhańczuk-Śródka A. , Ziembik Z. , Maculewicz D. , Nagrodzka K.

Identyfikatory

DOI

10.2429/proc.2015.9(1)015

Warianty tytułu

PL

Bioakumulacyjna i bioindykacyjna rola grzybów w środowisku

• Konferencja: ECOpole’14 Conference (15-17.10.2014, Jarnoltowek, Poland)
• Języki publikacji: EN

Abstrakty

EN

Mycelial construction of mushrooms is considered as a good biomass for heavy metals binding as well as lots of elements, including toxic and radioactive ones. Between various fungi known to bind heavy metals, mycelium of Pleurotus spp. can be used in Cd indication and accumulation, by means of fungal biomass. In this work possible role of Pleurotus ostreatus in accumulation of radionuclides is presented. This is important because this fungus is one of broadly cultivated mushrooms, and it can grow as saprobic organism on various substrates. Naturally occurring fruiting bodies of P. ostreatus were used in studies as a potential marker of atmospheric radioactive pollution. The samples of fruiting bodies in different age (young, mature and old) were collected in the center of Opole. Measurements of the gamma radionuclides activity concentration in dried samples were carried out by means of a gamma-spectrometer with a germanium detector HPGe (Canberra) of high resolution. Potassium concentration in fruiting bodies was similar in each sample, though it was the lowest in the young specimen. Activity concentration of Cs-137 was also related with the age of the mushroom. The biggest concentration was determined in old specimen, while in the young and mature ones it was similar. In the mature and old mushrooms activity concentration of Pb-210 was lower than minimum detectable activity. Pb-212 was determined only in fruiting bodies of old specimen

PL

Grzybnia, szczególnie grzybów wielkoowocnikowych, dzięki zdolności do akumulowania metali ciężkich stanowi potencjalne źródło informacji o zanieczyszczeniu środowiska. Wśród nich należy wymienić boczniaka (Pleurotus osteratus), grzyba zarówno uprawnego, jak i występującego naturalnie. W pracy wykonano analizę zdolności bioindykacyjnych i biokumulacyjnych tego gatunku w stosunku do izotopów gamma-promieniotwórczych. Próbki P. osteratus w różnym wieku (młode, dojrzałe, starzejące) zebrano w naturalnym stanowisku, w centrum Opola. Aktywności izotopu K-40 były podobne we wszystkich badanych próbkach, przy czym najniższa koncentracja tego izotopu została stwierdzona w najmłodszych owocnikach. Izotop Cs-137 najliczniej występował w najstarszych owocnikach. Radioizotop Pb-210 znaleziono w młodych owocnikach, a izotop Pb-212 stwierdzono w starych owocnikach

Słowa kluczowe

EN

mushrooms; radionuclides; environmental pollution indication

PL

grzyby; radionuklidy; indykacja zanieczyszczeń środowiska

• Wydawca: Towarzystwo Chemii i Inżynierii Ekologicznej
• Czasopismo: Proceedings of ECOpole
• Rocznik: 2015
• Tom: Vol. 9, No. 1
• Strony: 117--123
• Opis fizyczny: Bibliogr. 19 poz., fot., tab., rys.

Twórcy

autor

Moliszewska E.

• Independent Department of Biotechnology and Molecular Biology, Opole University, ul. kard. B. Kominka 6a, 45-035 Opole, Poland, phone [phone]

autor

Dołhańczuk-Śródka A.

• Independent Department of Biotechnology and Molecular Biology, Opole University, ul. kard. B. Kominka 6a, 45-035 Opole, Poland, phone [phone]

autor

Ziembik Z.

• Independent Department of Biotechnology and Molecular Biology, Opole University, ul. kard. B. Kominka 6a, 45-035 Opole, Poland, phone [phone]

autor

Maculewicz D.

• Independent Department of Biotechnology and Molecular Biology, Opole University, ul. kard. B. Kominka 6a, 45-035 Opole, Poland, phone [phone]

autor

Nagrodzka K.

• Independent Department of Biotechnology and Molecular Biology, Opole University, ul. kard. B. Kominka 6a, 45-035 Opole, Poland, phone [phone]

Bibliografia

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