Results 11 to 20 of about 827,643 (333)

Microbial Contamination of Dental Unit Waterlines and Potential Risk of Infection: A Narrative Review

open access: yesPathogens, 2020
Several studies have revealed that dental unit waterlines (DUWLs) are often contaminated by large numbers of various micro-organisms (bacteria, fungi, protozoa, viruses).
Anna Maria Spagnolo   +2 more
doaj   +1 more source

Suitability of Mycorrhiza-Defective Rice and Its Progenitor for Studies on the Control of Nitrogen Loss in Paddy Fields via Arbuscular Mycorrhiza [PDF]

open access: yes, 2020
Employing mycorrhiza-defective mutants and their progenitors does not require inoculation or elimination of the resident microbial community in the experimental study of mycorrhizal soil ecology.
Guo, Xinyue   +5 more
core   +1 more source

Nitrogen removal in marine environments: recent findings and future research challenges [PDF]

open access: yes, 2005
Respiratory reduction of nitrate (denitrification) is recognized as the most important process converting biologically available (fixed) nitrogen to N2. In current N cycle models, a major proportion of global marine denitrification (50–70%) is assumed to
Aller, Robert Curwood   +7 more
core   +3 more sources

Microbial degradation of dimethylsulphide and related C1-sulphur compounds: organisms and pathways controlling fluxes of sulphur in the biosphere [PDF]

open access: yes, 2010
Dimethylsulphide (DMS) plays a major role in the global sulphur cycle. It has important implications for atmospheric chemistry, climate regulation, and sulphur transport from the marine to the atmospheric and terrestrial environments.
Boden, Rich   +2 more
core   +1 more source

Occurrence of coliforms in water samples of the Perequê and Penedo Rivers in Paraná, Brazil

open access: yesBrazilian Archives of Biology and Technology, 1998
The Perequê and Penedo rivers flow through the plains of Praia de Leste and fall into the sea between the municipalities of Pontal do Sul and Ponta do Poço.
Ilma Hiroko Higuti   +5 more
doaj   +1 more source

Aeromonas Isolates from Human Diarrheic Stool and Groundwater Compared by Pulsed-Field Gel Electrophoresis

open access: yesEmerging Infectious Diseases, 2003
Gastrointestinal infections of Aeromonas species are generally considered waterborne; for this reason, Aeromonas hydrophila has been placed on the United States Environmental Protection Agency Contaminant Candidate List of emerging pathogens in drinking ...
Mark A. Borchardt   +2 more
doaj   +1 more source

Disinfectant, Soap or Probiotic Cleaning? Surface Microbiome Diversity and Biofilm Competitive Exclusion

open access: yesMicroorganisms, 2020
This study extends probiotic cleaning research to a built environment. Through an eight-month cleaning trial, we compared the effect of three cleaning products (disinfectant, plain soap, and a probiotic cleaner containing a patented Bacillus spore ...
Wendy Stone   +3 more
doaj   +1 more source

Principles of green microbiology: The microbial blueprint for sustainable development

open access: yesEnvironmental Advances, 2023
Food, energy, pharmaceuticals, and plastics are some of the most commonly used commodities in the world. Their production and disposal are among the leading impediments to environmental sustainability.
Adenike A. Akinsemolu
doaj   +1 more source

Diversity across Seasons of Culturable Pseudomonas from a Desiccation Lagoon in Cuatro Cienegas, Mexico. [PDF]

open access: yes, 2012
Cuatro Cienegas basin (CCB) is a biodiversity reservoir within the Chihuahuan desert that includes several water systems subject to marked seasonality. While several studies have focused on biodiversity inventories, this is the first study that describes
Eguiarte, Luis E   +3 more
core   +2 more sources

Methylacidimicrobium thermophilum AP8, a Novel Methane- and Hydrogen-Oxidizing Bacterium Isolated From Volcanic Soil on Pantelleria Island, Italy

open access: yesFrontiers in Microbiology, 2021
The Favara Grande is a geothermal area located on Pantelleria Island, Italy. The area is characterized high temperatures in the top layer of the soil (60°C), low pH (3–5) and hydrothermal gas emissions mainly composed of carbon dioxide (CO2), methane ...
Nunzia Picone   +11 more
doaj   +1 more source

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