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Wyszukujesz frazę "bacterial identification" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Influence of Bacterial Microbiota on the Organic Matter Content of Shrimp Pond Soil
Autorzy:
Mendoza Cedeño, Laura Gema
Pincay Cantos, María Fernanda
Giler-Molina, José Miguel
Zambrano Cedeño, Ider Josué
Powiązania:
https://bibliotekanauki.pl/articles/2202287.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
molecular analysis
shrimp farming
organic water content
bacterial identification
soil
Opis:
Shrimp activity is associated with the impact of bacterial communities. Therefore, this research aimed to evaluate the influence of the bacterial microbiota on the organic matter content of the soil of the shrimp lagoon in La Segua-Ecuador. Starting from a descriptive approach, the field research method and documentary review were used. In total, 25 soil samples were collected in 5 quadrants of 100 m2. The bacterial DNA was extracted by using the Powersoil® kit and the identification of the strains was carried out with the 16SrDNA gene. The organic matter content was determined by Walkley-Black titration. The genus Bacillus was predominant in the bacterial strains; moreover, individuals of the genera Exiguobacterium, Acinetobacter, Prolinoborus, Arthrobacter Planococcus were identified with more than 99% homology for all cases. It was concluded that the organic matter content is suitable for shrimp farming.
Źródło:
Journal of Ecological Engineering; 2022, 23, 12; 21--28
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bacterial contamination of water in dental unit reservoirs
Autorzy:
Szymanska, J
Powiązania:
https://bibliotekanauki.pl/articles/50640.pdf
Data publikacji:
2007
Wydawca:
Instytut Medycyny Wsi
Tematy:
dental unit reservoir
disinfection
bacterial contamination
contamination
bacteria
water
reservoir water sample
identification
Opis:
The aim of this study was bacteriological assessment of water in dental unit reservoirs – concentration and composition of the aerobe and facultative anaerobe bacterial microfl ora. Reservoir water samples were taken from 25 units. Bacterial fl ora were determined with the plate culture method. Bacteria were identifi ed with biochemical microtests: API 20E, API 20NE (bioMérieux, France) and GP2 MicroPlateTM (BIOLOG, USA). The concentration of total bacteria isolated from one site was 201,039 cfu/ml, on average; the minimum was 22,300 cfu/ml, and the maximum – 583,000 cfu/ml. The following bacteria were identifi ed: Gram-negative bacteria – Brevundimonas vesicularis, Moraxella lacunata, Moraxella spp., Ralstonia pickettii, Sphingomonas paucimobilis, Stenotrophomonas maltophilia; Gram-positive cocci – Micrococcus luteus, Micrococcus lylae, Staphylococcus cohnii, Staphylococcus hominis ss novobiosepticus, Staphylococcus spp., Streptococcus spp.; actinomycetes – Streptomyces albus. The prevailing bacteria were: Ralstonia pickettii (96.46%), found in all the units. Sphingomonas paucimobilis (1.32%) and Brevundimonas vesicularis (1.07%) were the next most frequently occurring bacteria. Bacteria concentration in dental unit reservoirs reached excessive values, and the bacterial fl ora were composed of the bacteria characteristic for water supply systems, opportunistic pathogens, and bacteria of the oral cavity fl ora. Continuous microbiological monitoring of the DUWL water, including application of a disinfecting procedure, is necessary.
Źródło:
Annals of Agricultural and Environmental Medicine; 2007, 14, 1
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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