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Wednesday, April 24, 2024
How hardworking microbes ferment cabbage into kimchi

How hardworking microbes ferment cabbage into kimchi

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Ingredients, temperature, time all affect the microbial activity that fuels fermentation — and how fermented foods taste. As kimchi ferments, the flavors will change over time. Meredith Rizzo for NPR hide caption toggle caption Meredith Rizzo for NPR Ingredients, temperature, time all affect the microbial activity that fuels fermentation — and how fermented foods taste.…
NASA scientist says there could be microbial life hiding in dark craters on the moon’s south pole

NASA scientist says there could be microbial life hiding in dark...

A NASA planetary scientist said conditions on the lunar south pole could be ripe for microbial life. Researchers have found that certain microbes on Earth can withstand extreme conditions. These microbes may have hitched a ride on a lunar lander and are now living on the moon. Loading Something is loading. Thanks for signing up!…
Some ‘friendly’ bacteria backstab their algal pals. Now we know why

Some ‘friendly’ bacteria backstab their algal pals. Now we know why

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The photosynthesizing plankton Emiliania huxleyi has a dramatic relationship with its bacterial frenemies. These duplicitous bugs help E. huxleyi in exchange for nutrients until it becomes more convenient to murder and eat their hosts. Now, scientists have figured out how these treacherous bacteria decide to turn from friend to foe. One species of these bacteria…
Scientists have found the first known microbes that can eat only viruses

Scientists have found the first known microbes that can eat only...

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New Year, new viral diet — literally. Tiny, pond-dwelling Halteria ciliates are virovores, able to survive on a virus-only diet, researchers report December 27 in Proceedings of the National Academy of Sciences. The single-celled creatures are the first known to thrive when viruses alone are on the menu. Scientists already knew that some microscopic organisms…
Blood Falls gushes red water from Antarctica’s ice. It took scientists 106 years to figure out what causes its color.

Blood Falls gushes red water from Antarctica’s ice. It took scientists...

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"Among the big questions here are 'how does an ecosystem function below glaciers?', 'How are they able to persist below hundreds of meters of ice and live in permanently cold and dark conditions for extended periods of time, in the case of Blood Falls, over millions of years?," Jill Mikucki, a microbiologist and the study's…
Meet some of the microbes that give cheeses flavor

Meet some of the microbes that give cheeses flavor

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Cheese making has been around for thousands of years, and there are now more than 1,000 varieties of cheese worldwide. But what exactly makes some cheeses like Parmesan taste fruity and others, such as Brie and Camembert, taste musty has remained a bit of a mystery. Now, scientists have pinned down the specific types of…
The ancestor to modern brewing yeast has been found hiding in Ireland

The ancestor to modern brewing yeast has been found hiding in...

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In 1516, the duchy of Bavaria in Germany imposed a law on its beer brewers meant to reserve ingredients like wheat and rye for the baking of bread. The decree restricted brewers to using only barley, hops, water and yeast to make their libations, and set the prices for beer depending on the time of…
Prescription poop is here: FDA approves fecal slurry for unshakeable diarrhea

Prescription poop is here: FDA approves fecal slurry for unshakeable diarrhea

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Enlarge / Laboratory technicians in France prepare stool to treat patients with serious colon infections by fecal microbiota transplantation (FMT), also known as gut flora transplant (GFT) in 2019. For the first time, the US Food and Drug Administration has granted approval for a feces-based microbial treatment, which is used to prevent a recurring diarrheal…
Ancient bacteria could persist beneath Mars’ surface

Ancient bacteria could persist beneath Mars’ surface

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Radiation-tolerant microbes might be able to live beneath Mars’ surface for hundreds of millions of years and may yet persist today, thanks in part — counterintuitively — to the Red Planet’s frigid, arid conditions. In addition to being cold and dry, the Martian surface is constantly bombarded by cosmic rays, charged particles and other radiation…
How fungi make potent toxins that can contaminate food

How fungi make potent toxins that can contaminate food

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Food contaminated with fungi can be an inconvenience at best and life-threatening at worst. But new research shows that removing just one protein can leave some fungal toxins high and dry, and that’s potentially good news for food safety. Some fungi produce toxic chemicals called mycotoxins that not only spoil food such as grains but…

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