نتایج جستجو برای: heavy metal resistance bacteria

تعداد نتایج: 829545  

Journal: :Applied and environmental microbiology 2000
J V McArthur R C Tuckfield

The spatial distribution of antibiotic resistance to streptomycin and kanamycin was examined in natural bacterial communities of two streams. The proportion of resistant bacteria was substantially higher (P < 0.05) in the midreaches of an industrially perturbed stream, but no such pattern was apparent in an undisturbed reference stream. The highest relative frequency of resistance was found at ...

Journal: :Journal of environmental biology 2008
Sonal Chaturvedi Ram Chandra Vibhuti Rai

Susceptibility patterns of 12 different antibiotics were investigated against rhizospheric bacteria isolated from Phragmites australis from three different zones i.e. upper (0-5 cm), middle (5-10 cm), lower (10-15 cm) in constructed wetland system with and without distillery effluent. The major pollutants of distillery effluent were phenols, sulphide, heavy metals, and higher levels of biologic...

Cadmium (Cd) is a highly toxic heavy metal, wide occupational and an environmental pollutant, affecting human health. Probiotics especially lactic acid bacteria (LAB) have the capacity to bind, remove and to decrease tissue cadmium levels. The objective was to evaluate the potency of Cd binding capacity, antioxidative properties of probiotic bacteria against cadmium in vitro and its probable de...

Cadmium (Cd) is a highly toxic heavy metal, wide occupational and an environmental pollutant, affecting human health. Probiotics especially lactic acid bacteria (LAB) have the capacity to bind, remove and to decrease tissue cadmium levels. The objective was to evaluate the potency of Cd binding capacity, antioxidative properties of probiotic bacteria against cadmium in vitro and its probable de...

Journal: :Nature Reviews Microbiology 2017

Journal: :Biochemistry 2012
Tiffany D Mealman Mowei Zhou Trisiani Affandi Kelly N Chacón Mariana E Aranguren Ninian J Blackburn Vicki H Wysocki Megan M McEvoy

Gram-negative bacteria, such as Escherichia coli, utilize efflux resistance systems in order to expel toxins from their cells. Heavy-metal resistance is mediated by resistance nodulation cell division (RND)-based efflux pumps composed of a tripartite complex that includes an RND-transporter, an outer-membrane factor (OMF), and a membrane fusion protein (MFP) that spans the periplasmic space. MF...

Journal: :Jurnal ilmu dan teknologi kelautan tropis 2023

Green mussels are marine organisms that threatened due to heavy metal pollution such as lead and copper in waters. In addition, threatening shell metals also a threat symbiont organisms. Bacteria exposed continuously will later be able adapt (resistance) contamination. This study aims determine the concentration of (Pb) (Cu) green from Lampung Bay test resistance symbiotic bacteria Pb Cu well c...

Journal: :Journal of water and health 2014
Sevilay Akbulut Fadime Yilmaz Bulent Icgen

Acinetobacter in surface waters are a major concern because of their rapid development of resistance to a wide range of antimicrobials and their ability to persist in these waters for a very long time. Four surface water isolates of Acinetobacter having both multidrug- and multimetal-resistant ability were isolated and identified through biochemical tests and 16S rDNA sequencing. Based on these...

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