Sentences with phrase «microbial life»
"Microbial life" refers to tiny living organisms that cannot be seen with the naked eye. These organisms include bacteria, fungi, and viruses that exist in various environments, such as soil, water, and our bodies. They play important roles in nature, both beneficial and harmful, and are a fascinating part of the world of microscopic life. Full definition
Knowledge of the diversity of microbial life in the oceans continues to grow.
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The old way to search for microbial life in the ocean, he explains, was to isolate individual species by growing them in laboratory cultures.
This is because it involves cultivation of microbial life in your own kitchen!
That's because the ions of dissolved salt hold on to so many water molecules that few are left to support microbial life.
«We're seeing lots of biological components such as bacteria and molecules associated with microbial life,» she says.
We live in a world that is dominated by microbial life.
On the balance of probabilities, these are still good places to look for traces of ancient microbial life.
There isn't just one vast smear of microbial life where all shapes, sizes, body features and chemistry can be found in any old mix.
Scientists have been arguing for decades over whether such structures are remnants of early microbial life, but the Australian formations are the best evidence yet.
This study has important implications for the search for deep microbial life.
It recently also confirmed that chemical reactions between water and rock on the moon can provide enough energy in the water to feed microbial life.
Why not just search for alternative microbial life directly?
Scientists believe the lake could be home to cold - loving microbial life adapted to living in total darkness.
By examining peak ring rocks closely, they hope to test models of crater formation and determine whether the crater itself was one of the first habitats for microbial life after the impact.
Scientists have discovered a rich fossil record of animal evolution going back more than 600 million years and a much richer one of microbial life starting almost 4 billion years ago.
While initial work will emphasize species of animals, plants, and fungi, the design can be extended to encompass microbial life.
His specialty is microbial life in oceans, and his particular interest is the way that viruses drive the evolution and regulate the activities of bacteria.
For example, one popular way to look for microbial life is to scoop up some soil, water, or even air, and extract all the DNA it contains.
An analysis of the deepest spot in the oceans finds signs of microbial life.
In a surprising and probably killer blow to the possibility of finding microbial life on Mars, Curiosity has reported that there's no methane in the Martian atmosphere.
That's precisely because these may mark sites where Earth - like habitable conditions formerly prevailed, and may have once hosted microbial life just like Earth.
Dr. Gilbert V. Levin, an engineer and principal investigator of the Labeled Release experiment, has continued to maintain his position that both Viking landers did indeed find microbial life on Mars.
If we can collect a sample, we can determine whether microbial life exists in order to understand how it evolved and how it continues in this cold environment with no sunlight or energy.»
But NASA, interested in the similarities of Vida's brine pool to possible microbial life on Mars or Jupiter's moon Europa, will support a return expedition in 2004.
Even if Mars ever supported microbial life form (s), that does not mean it could support or even could have ever supported humanlike life form.
The soil in Manhattan's Central Park contains microbial life that also exists in deserts, frozen tundra, forests, rainforests and prairies.
Upon arrival in October, the Trace Gas Orbiter (TGO) will train its instruments on the Red Planet, in the hopes of resolving questions about the existence of methane gas, and whether it could hint at microbial life.
Our research shows that it is the bacteria that prevent D - amino acids from accumulating to toxic levels,» explains Dr. Sun, who has studied microbial life in extreme environments in the Antarctic dry valleys, the Atacama Desert, and Death Valley.
If we can collect a sample of the water, we may determine whether microbial life exists, how it evolved, and how it continues to live in this cold environment with no connection to the atmosphere.»
Fog's important role in sustaining microbial life drew McKay to the southern African desert, but the Namib also features some of the world's tallest sand dunes, rising as high as 1,000 feet.
«If conditions are too cold and dry to support active microbial life on an analogous climate on Earth, then the colder dryer conditions in the near surface permafrost on Mars are unlikely to contain life.»
The photos include close - ups of the gaseous giant, its famous rings, and its enigmatic moons — including Titan, which has its own atmosphere, and icy Enceladus, which has a subsurface ocean that could conceivably harbor microbial life.
Currently, he is informally co-advising Brankovits, who is investigating energy inputs for microbial life within the caves.
When McKay visited in 2012, he learned that the foggy western Namib supported as much microbial life as the eastern part of the desert, where rain provides limited moisture.
Curiosity will look for signs that microbial life once existed on Mars, and will also collect core samples of rocks on Mount Sharp and the Gale Crater.
However, it will have a number of improvements and instruments to carry out its search for signs of past microbial life on the Red Planet.
The underground ocean of Saturn's moon Enceladus harbors an abundance of molecular hydrogen, which could be an important source of food if microbial life exists there.
When people were asked how they would react to the discovery of extraterrestrial microbial life, they give generally positive responses, researchers reported at a news conference February 16 at the annual meeting of the American Association for the Advancement of Science.
«The amount of different types of microbial life present in the cloud droplets that make up a winter storm is amazing,» says Gary Franc, a microbiologist and plant pathologist at the University of Wyoming in Laramie.
But core samples from the newfound lake reveal a rich microbial life around its periphery.
The possibility that our planet was seeded with microbial life from Mars (or even, per Hoyle, from a comet) means that we can not be certain that space microbes would be incompatible with our biology.
says Paul Mahaffy of NASA's Goddard Space Flight Center in Greenbelt, Md. «Did microbial life ever originate on Mars, and what happened to it as the planet changed?
«Applying DNA sequencing to a study of the skin's fungi is the natural progression in understanding microbial life that co-exists on our bodies,» said NHGRI Scientific Director Daniel Kastner, M.D., Ph.D. «Along with recent genome sequencing to define bacterial diversity, this analysis of fungal diversity provides a more complete human microbiome picture.»
In this role, she works with many collaborators to facilitate implementing superresolution microscopy into their research programs as well as developing novel techniques for microbial live cell imaging.
It is hard for both of us to believe that we may have reached a cold and arid threshold where even microbial life can not actively exist.»
Since the reaction produces nitrous oxide with a specific isotopic signature, Joye says: «This could be an easy way to «sniff» around the surface of Mars looking for pockets of subsurface brine that might be hotspots for extreme microbial life.»