نتایج جستجو برای: microbial matters
تعداد نتایج: 140754 فیلتر نتایج به سال:
Background: Considering the toxic effects of heavy metals and microbial pathogens in industrial wastewaters, it is necessary to treat metal and microbial contaminated wastewater prior to disposal in the environment. The purpose of this study is to assess the removal of heavy metals pollution and microbial contamination from a mixture of municipal and industrial wastewater using membrane bioreac...
OBJECTIVE To investigate phosphorus limitation and its effect on the removal efficiency of organic matters in drinking water biological treatment. METHODS Bacterial growth potential (BGP) method and a pair of parallel pilot-scale biofilters were used for the two objectives, respectively. RESULTS The addition of phosphorus could substantially increase the BGPs of the water samples and the ef...
Representative biomarkers (e.g., n-alkanes), diversity and microbial community in the aquifers contaminated by high concentration of arsenic (As) in different sediment depth (0-30 m) in Jianghan Plain, Hubei, China, were analyzed to investigate the potential mechanism of As enrichment in groundwater. The concentration of As was abundant in top soil and sand, but not in clay. The analysis of the...
Subsurface sediments of the Sonora Margin (Guaymas Basin), located in proximity of active cold seep sites were explored. The taxonomic and functional diversity of bacterial and archaeal communities were investigated from 1 to 10 meters below the seafloor. Microbial community structure and abundance and distribution of dominant populations were assessed using complementary molecular approaches (...
Homology-based approaches are often used for the annotation of microbial communities, providing functional profiles that are used to characterize and compare the content and the functionality of microbial communities. Metagenomic reads are the starting data for these studies, however considerable differences are observed between the functional profiles-built from sequencing reads produced by di...
Leafy vegetables undergo abiotic and biotic stresses, a series of processing steps that cause mechanical injury. Breaching the epidermis alters phyllosphere structural nutrient conditions, resulting in successional shifts leaf microbiota entry human pathogens. This study examined damage during baby leaves (Swiss chard, spinach) concomitant microbial events. Machine-harvesting, washing, packagin...
The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. Preface The ocean's biota is numerically dominated by microbial species. Yet the population dynamics, metabolic complexity and synergistic interactions hidden within marine microbial assemblages remain largely uncharted. A full understanding of the living ocean requires moving ...
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