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Monday, February 10, 2025
Arsenic-Breathing Microorganisms Discover In The Open Ocean

Arsenic-Breathing Microorganisms Discover In The Open Ocean

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<div _ngcontent-c14="" innerhtml=" Underwater air bubbles. Getty As air-breathers, humans require oxygen to drive the...
Mars microbes may unfold throughout the planet by way of mud particles

Mars microbes may unfold throughout the planet by way of mud...

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No, we didn't get to Mars. This is the Atacama Desert in Chile.  Margarita Azua Let's begin with a hard truth: Mars is a long, long way away, and it's still a few decades until we set up there, no matter what Elon Musk's plans may be. Fortunately we can, sort of, visit Mars here…
Airplane sewage may be helping antibiotic-resistant microbes spread

Airplane sewage may be helping antibiotic-resistant microbes spread

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Sewage from airplanes serves as a melting pot for a globally sourced group of gut microbes. Now, a study suggests that such waste is loaded with bacteria resistant to antibiotics along with a smorgasbord of genes that confer drug resistance. That means airplane waste could be helping to fuel the spread of antibiotic resistance around…
Microbes slowed by one drug can rapidly develop resistance to another

Microbes slowed by one drug can rapidly develop resistance to another

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Infectious bacteria that are down but not quite dead yet may be more dangerous than previously thought. Even as one antibiotic causes the bacteria to go dormant, the microbes may more easily develop resistance to another drug, according to new research. Deadly Staphylococcus aureus bacteria that could tolerate one type of antibiotic developed resistance to…
Archaea microbes fold, twist and contort their DNA in extreme ways

Archaea microbes fold, twist and contort their DNA in extreme ways

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Single-celled archaea microbes pack their DNA into flexible coils that expand and stretch much like a Slinky does. This kind of molecular gymnastics had never been seen before in other organisms and may represent a way for archaea to get easy access to their genetic material, researchers report March 2 in eLife. Some of the…
Wildfire smoke is loaded with microbes. Is that dangerous?

Wildfire smoke is loaded with microbes. Is that dangerous?

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If you're unfortunate enough to breathe wildfire smoke, you’re getting a lungful of charred plant material, noxious gases, and—if the fire tore through human structures—incinerated synthetic materials. All across the board, it’s bad stuff, proven to be a severe detriment to human health, particularly for those with respiratory conditions like asthma. And not to pile…
50 years ago, scientists were on the trail of a brain-eating amoeba

50 years ago, scientists were on the trail of a brain-eating...

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Amoebic killers — Science News, September 19, 1970 A fearsome [disease] has been recognized in recent years, produced by a one-cell organism…. Mercifully, human invasion is rare, for the invader, an amoeba, destroys the brain tissue and produces death in from four to seven days. Only 50 cases are known.… This free-living amoeba, Naegleria gruberi,…
How malaria parasites hide from the human immune system

How malaria parasites hide from the human immune system

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Malaria parasites survive tough times by not being too clingy. During Africa’s dry season, when mosquitoes are scarce, malaria parasites have a hard time spreading to new hosts. So the parasites hide out in the human body by keeping the cells they infect from clinging to blood vessels, researchers report October 26 in Nature Medicine.…
Scientists stumbled across the first known manganese-fueled bacteria

Scientists stumbled across the first known manganese-fueled bacteria

Scientists have discovered the first bacteria known to use the metal manganese to grow. And the researchers had to look only as far as the office sink. “It’s definitely an interesting story about serendipity,” says Jared Leadbetter, an environmental microbiologist at Caltech. He and Hang Yu, also an environmental microbiologist at Caltech, report their fortuitous…
If bacteria band together, they can survive for years in space

If bacteria band together, they can survive for years in space

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Outer space is not friendly to life. Extreme temperatures, low pressure and radiation can quickly degrade cell membranes, destroy DNA and kill any life-forms that somehow find themselves in the void. But by banding together, some bacteria can withstand that harsh environment, shielded from the extremes of space by the group’s outer layers. Microbes huddled…

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