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Wyszukujesz frazę "rRNA" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
The effects of season and processing technology on the abundance of antibiotic resistance genes in air samples from municipal wastewater treatment and waste management plants
Autorzy:
Osińska, Adriana
Jachimowicz, Piotr
Niestępski, Sebastian
Harnisz, Monika
Korzeniewska, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/2032941.pdf
Data publikacji:
2021
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
municipal wastewater
antibiotic resistance
wastewater treatment plant
rRNA
ścieki komunalne
odporność na antybiotyki
oczyszczalnia ścieków
Opis:
This study aimed to perform a qualitative and a quantitative assessment of the prevalence of genes encoding resistance to beta-lactam, tetracycline, and chloramphenicol antibiotics in samples of DNA isolated from air in a municipal wastewater treatment plant (WWTP) and a municipal waste management plant (WMP). Air samples were collected in the mechanical (MP) and biological (BP) processing units of WWTP and WMP in winter and spring. The samples of air were collected by impingement into PBS solution and subsequently, DNA was isolated. The prevalence of the 16S rRNA gene and ARGs was determined by PCR, and the most abundant ARGs were quantified by qPCR. The highest diversity of the analyzed ARGs was noted in air samples collected in the mechanical processing units of the WWTP (winter) and the WMP (spring). The copy of ARGs varied between treatment units and seasons. ARGs were most abundant in air samples collected in spring in the MP units of both the WWTP and the WMP. The study demonstrated that ARGs are ubiquitous in the air in both WWTPs and WMPs. The presence of ARGs in the air can exert a negative impact on the health of plant employees.
Źródło:
Environment Protection Engineering; 2021, 47, 1; 101-114
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biodiversity and antibiotic resistance of bacteria isolated from tap water in Wrocław, Poland
Autorzy:
Leginowicz, M.
Siedlecka, A.
Piekarska, K.
Powiązania:
https://bibliotekanauki.pl/articles/207741.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
water supply
drinking water
biological diversity
16S rRNA gene
systemy zasilania
woda pitna
różnorodność biologiczna
Opis:
Microbial contamination and biodiversity were determined for the drinking water samples collected from selected points of the water supply system in Wroclaw, Poland. All tested samples met the requirements of Polish law, i.e., the Regulation of the Minister of Health. However, the antibiotic resistant bacteria were found. The correlation between the distance of sampling points from water treatment plants and their microbial contamination was not established. Nevertheless, the Na Grobli treatment plant seemed to produce water of higher microbial quality than the Mokry Dwor treatment plant at the moment of sampling. The identification of representative isolates was performed with 16S rRNA gene sequencing and MALDI-TOF mass spectrometry and the results of these two methods were compared, indicating some discrepancies. Nevertheless, bacteria dwelling in drinking water in Wroclaw belonged to the phyla Actinobacteria, Proteobacteria (alpha-, beta-, gamma-Proteobacteria) and Firmicutes . The determination of antibiotic resistance profiles showed that 12 from 17 tested isolates revealed resistance to at least one antibiotic and two strains were multi-drug-resistant.
Źródło:
Environment Protection Engineering; 2018, 44, 4; 85-98
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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