Community-level physiological profiles of microorganisms inhabiting soil contaminated with heavy metals
PBN-AR
Instytucja
Instytut Agrofizyki im. Bohdana Dobrzańskiego Polskiej Akademii Nauk
Informacje podstawowe
Główny język publikacji
angielski
Czasopismo
International Agrophysics (25pkt w roku publikacji)
ISSN
0236-8722
EISSN
Wydawca
Instytut Agrofizyki im. Bohdana Dobrzańskiego
DOI
Rok publikacji
2018
Numer zeszytu
1
Strony od-do
101-110
Numer tomu
32
Identyfikator DOI
Liczba arkuszy
Autorzy
Pozostali autorzy
+ 5
Autorzy przekładu
(liczba autorów przekładu: 0)
Słowa kluczowe
angielski
Biolog ECO plates
community-level physiological profiles
heavy metals
Streszczenia
Język
angielski
Treść
The aim of the study was to assess the differences in the bacterial community physiological profiles in soils contaminated with heavy metals versus soils without metal contaminations. The study’s contaminated soil originated from the surrounding area of the Szopienice non-ferrous metal smelter (Silesia Region, Poland). The control was soil unexposed to heavy metals. Metal concentration was appraised by flame atomic absorption spectrometry, whereas the the community-level physiological profile was determined with the Biolog EcoPlatesTM system. The soil microbiological activity in both sites was also assessed via dehydrogenase activity. The mean concentrations of metals (Cd and Zn) in contaminated soil samples were in a range from 147.27 to 12265.42 mg kg−1, and the heavy metal contamination brought about a situation where dehydrogenase activity inhibition was observed mostly in the soil surface layers. Our results demonstrated that there is diversity in the physiological profiles of microorganisms inhabiting contaminated and colntrol soils; therefore, for assessment purposes, these were treated as two clusters. Cluster I included colntrol soil samples in which microbial communities utilised most of the available substrates. Cluster II incorporated contaminated soil samples in which a smaller number of the tested substrates was utilised by the contained microorganisms. The physiological profiles of micro-organisms inhabiting the contaminated and the colntrol soils are distinctly different.
Inne
System-identifier
PX-5a8ad71fd5def5085a35011a
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