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Channel: Phys.org news tagged with:microbial communities
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URI oceanographer to lead return visit to least inhabited place on Earth

(PhysOrg.com) -- Four University of Rhode Island oceanographers depart next week for an international research expedition to the middle of the South Pacific Gyre - an area that is as far from any...

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Bacteria keep tabs on state of oil field

The ups and downs of the bacteria in an oil field provide a useful source of information for keeping tabs on the state of the oil field itself. In theory, this process known as 'biomonitoring' can...

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Microbial hair -- it's electric: Specialized bacterial filaments shown to...

(PhysOrg.com) -- Some bacteria grow electrical hair that lets them link up in big biological circuits, according to a University of Southern California biophysicist and his collaborators.

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Environmental risk assessment of pharmaceuticals inadequate

The strategies used to assess the environmental risks posed by pharmaceuticals are not enough to protect natural microbial communities, reveals a researcher from the University of Gothenburg (Sweden)...

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You are not what you eat

The types of gut bacteria that populate the guts of primates depend on the species of the host as well as where the host lives and what they eat. A study led by Howard Ochman at Yale University...

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Sequenced genomes make good neighbors

(PhysOrg.com) -- To study the proteomes of organisms, a first step often involves using sequenced genomes in conjunction with mass spectrometric measurements for global protein identifications. But,...

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Scientists sequence gut microbes of premature infant

Scientists have for the first time sequenced and reconstructed the genomes of most of the microbes in the gut of a premature newborn and documented how the microbe populations changed over time.

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Choosing your neighbors: Scientists see how microbes relate in space

Like people in cities, microbes often live in complex communities that contain many different microbial types. Also like us, microbes tend to gravitate to and "hang out" with certain other types in...

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The world's oldest water?

New evidence bolsters the notion that deep saline groundwaters in South Africa's Witwatersrand Basin may have remained isolated for many thousands, perhaps even millions, of years. The study, recently...

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Brewery waste microbes could make biofuels

(PhysOrg.com) -- Anyone cracking open a cold beer is probably not considering the wastewater left over after the beer was brewed. But for Cornell researchers, that vinegary effluent is a scientific...

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Scientists grow personalized collections of intestinal microbes

(PhysOrg.com) -- Each of us carries a unique collection of trillions of friendly microbes in our intestines that helps break down food our bodies otherwise couldn't digest.

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Common nanoparticles found to be highly toxic to Arctic ecosystem

Queen's researchers have discovered that nanoparticles, which are now present in everything from socks to salad dressing and suntan lotion, may have irreparably damaging effects on soil systems and the...

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Tiny talk on a barnacle's back: Scientists use new imaging technique to...

Even the merest of microbes must be able to talk, to be able to interact with its environment and with others to not just survive, but to thrive. This cellular chatter comes in the form of signaling...

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Gulf currents primed bacteria to degrade oil spill

A new computer model of the Gulf of Mexico in the period after the oil spill provides insights into how underwater currents may have primed marine microorganisms to degrade the oil.

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Microbe efficiencies could make better fuel cells

(PhysOrg.com) -- Like mutual back-scratching, two common bacteria involved in what was thought to be only a marginally important relationship actually help each other thrive when grown together in...

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Fingerprinting fugitive dust

Each community of soil microbes has a unique fingerprint that can potentially be used to track soil back to its source, right down to whether it came from dust from a rural road or from a farm field,...

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CSI: PCR-free techniques ID the most active microbes on the scene

Anyone who has watched one of the CSI: Crime Scene Investigation television shows knows that PCR (Polymerase Chain Reaction) is a technology used to amplify the tiniest samples of DNA into forensic...

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Research team explores how microbial diversity defends against disease

Amphibians are among the most threatened creatures on earth, with some 40 percent of amphibian species threatened or endangered. One of their primary threats is a rapidly spreading disease that attacks...

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Bacterial attachment mimics the just-in-time industrial delivery model

(PhysOrg.com) -- In the human world of manufacturing, many companies are now applying an on-demand, just-in-time strategy to conserve resources, reduce costs and promote production of goods precisely...

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Fluorescent probes increase understanding of bacterium's electron transfer

(PhysOrg.com) -- When it comes to transporting a cell's valuable electrons, the metal-reducing microbe Shewanella oneidensis only trusts stable, mature proteins, according to scientists at Pacific...

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