polycyclic aromatic hydrocarbons (pahs) are one of the most common contaminants found in soil. pahs exhibit a significant concern because of their toxicity, carcinogenic, teratogenic and mutagenic properties. using microorganisms for cleaning the pollution of soil can be cheap, effective and can provide environmental immunity. the goal of this study is to isolate and identify phenanthrene degra...

Although there are many health advantages assigned to different live bacteria such as probiotics, some health threatening effects have also been reported. For example, live bacteria can transfer antibiotic resistance genes to other commensal and opportunistic bacteria of gastrointestinal tract. Recently, it was shown that using killed bacteria have some advantages over live ones. In this resear...

Bacillus vireti DSM 15602(T) is a Gram-negative, spore-forming, and facultatively anaerobic bacterium. Here, we report the 5.309-Mb draft genome sequence of B. vireti DSM 15602(T), which will provide useful information for setting up phylogenomics for the genomic taxonomy of Bacillus-like bacteria, as well as for the functional gene mining and application of B. vireti.

in the present study, the capability of dried indigenous biomass of vibrio and oceanimonas, was assessed and compared for mercury biosorption from aqueous solutions. it was found that both of the biosorbents reached equilibrium after 60 min of contact although the mercury sorption capacity of vibrio was significantly more. its sorption capacity increased from 9 to 83 mg/g biomass by increasing ...

a study was conducted to evaluate the effects of two laying systems (floor versus cage) on egg production, egg quality, and microbial safety. one hundred and eighty 42 wk old laying hens were separated into two groups of 90 hens each, and housed in laying cages and a floor laying system. eggs from the hens were collected for 2 weeks, and hen-day egg production, egg quality (whole egg, albumen, ...

conclusions this study indicated that some bacillus species have the potential to produce antimicrobial compounds which can be used to control microbial infections. results the identified bacillus species included b. cereus (86.6%), b. subtilis (6.6%), b. thuringiensis (3.3%), and b. pumilus (3.3%). evaluation of the antimicrobial activity of the extracted compounds was carried out against five...

background and aims. increasing the temperature of sodium hypochlorite (naocl) enhances its dissolution and antibacterial properties. however, the high resistance of multi-species biofilms could restrict the effect of the solution regardless of its temperature, enabling the long-term recovery of the surviving bacteria. the aim of this study was to investigate if the increase of temperature of n...

objective: to evaluate the effects of bacteria and vermicompost on phenology and growth of soybean trial an experiment was conducted as split plot in a completely randomized block design with three replications. methods: main plots of experiment at two levels included the non-use and the use of bacteria and the subplots at three levels included the non-use of vermicompost (control), the use of ...

mastitis is one of the most costly diseases in the dairy industry. the use of antibiotics in the treatment of mastitis leads to bacterial resistance and health problems for consumers. this study aimed to determine the antibacterial properties of essential oil of thymus vulgaris on the bacteria staphylococcus aureus, escherichia coli and staphylococcus were agalactia. antibacterial properties of...

petroleum hydrocarbons are important energy resources used by industry and in our daily life, whose production contributes highly to environmental pollution. to control such risk, bioremediation constitutes an environmentally friendly alternative technology that has been established and applied. it constitutes the primary mechanism for the elimination of hydrocarbons from contaminated sites by ...