Sentences with phrase «by some microbes on»

Scientists have long known of the important roles played by the microbes on and in our bodies — our microbiomes.

Analysis of that sample showed that early Mars offered environmental conditions favorable for microbial life, including the key elemental ingredients for life and a chemical energy source such as used by some microbes on Earth.

Not exact matches

So while the use of copper also helps PangeaBed tackle the unsanitary environments we sleep in by killing microbes on contact, using copper also makes the comfort and quality of our sleep better.

In the case of microbes which feed on humans, a society with limited potential for intensity of experience may achieve a measure of endurance by destroying societies of occasions which form the necessary environment for dominant human occasions of greater potential intensity of experience.

We can make a space shuttle land on a dime after circling the heavens, but we have no cure for the common cold; the strongest athlete can be struck down by an invisible microbe.

Well basically it is a lot easier on your digestive system to eat baked goods that have been pre-digested by the microbes in your starter.

He had long been fascinated by waterborne microbes, so he set his sights on the organisms that make their homes in the shower.

Life on Earth could have been seeded by just one microbe - laden rock, but there are too many rocks to check, even if we had a foolproof test for extraterrestrial life.

«Chronic inflammation of the intestine is thought to be caused by abnormal interactions between gut microbes, intestinal epithelial cells and the immune system, but so far it has been impossible to determine how each of these factors contribute to the development of intestinal bowel disease,» said Hyun Jung Kim, Ph.D., former Wyss Technology Development Fellow and first author on the study, speaking about the limitations of conventional in vitro and animal models of bacterial overgrowth and inflammation of the intestines.

Created by artist Alicia Watkins of Watty's Wall Stuff and Cross Stitchery, these handcrafted microbes and germs are based on real scientific images of a variety of unpleasant maladies including rabies, tuberculosis, syphilis and the common cold.

Today scientists engineer microbes either by adding a few extra genes or fine - tuning the genes they already have, tinkering on top of nature's templates.

Or perhaps a microbe - bearing rock was hurled by an impact into space and landed on Venus or Mars, which may have been more hospitable to life billions of years ago.

The other is turned on when an insect regurgitates stomach contents containing microbes onto the plant triggering a response by the plant to microbial pathogens that uses salicylic acid.

Researchers led by the University of Edinburgh's Roslin Institute and Scotland's Rural College (SRUC) focused on microbes found in a cow's rumen — the first of its four stomachs.

By testing all those samples, I identified microbes inhabiting the animal reservoirs and focused on those that showed up in the hunters» blood, making them candidates for firing up human disease.

LIFE ON MARS A Martian microbe, envisioned by planetary geologist Kathie Thomas - Keprta, would need a tough outer wall to withstand the elements and magnetic crystals to help it navigate.

The scientists say their light - responsive circuit could help control the flux of metabolic pathways in vats of microbes used to produce pharmaceuticals or industrial chemicals, by turning on and off in response to red, green, and blue light — a veritable bacterial disco.

Antibiotics have long been the first option in fighting these dangerous microbes, but many researchers are troubled by modern medicine's heavy reliance on them.

By connecting distant places, meanwhile, globalization permits the long - distance transfer of microbes along with their insect vectors and their human victims, as evidenced not only by the spread of HIV around the world, but also by North American cases of cholera and SARS brought by infected passengers on jet flights from South America and Asia, respectivelBy connecting distant places, meanwhile, globalization permits the long - distance transfer of microbes along with their insect vectors and their human victims, as evidenced not only by the spread of HIV around the world, but also by North American cases of cholera and SARS brought by infected passengers on jet flights from South America and Asia, respectivelby the spread of HIV around the world, but also by North American cases of cholera and SARS brought by infected passengers on jet flights from South America and Asia, respectivelby North American cases of cholera and SARS brought by infected passengers on jet flights from South America and Asia, respectivelby infected passengers on jet flights from South America and Asia, respectively.

Take a good look at this photo: It shows you 1.6 billion years old fossilized oxygen bubbles, created by tiny microbes in what was once a shallow sea somewhere on young Earth.

By contrast, the HMS team homed in on one microbe at a time and its effects on nearly all immune cells and intestinal genes, an approach that offers a more precise understanding of the interplay between individual gut microbes and their hosts.

Work on methane is close to yielding a tool for distinguishing gas made by microbes from «abiotic» methane made from mineral reactions deep in Earth.

The diversity of microbes on the skin of frog species in Brazil's Atlantic Forest can vary with habitat, according to a study published July 5, 2017 in the open - access journal PLOS ONE by Ananda Brito de Assis from University of São Paulo, Brazil, and colleagues.

The research could become useful in the search for microbes on Mars by suggesting rock formations that may have been assembled by bacteria, says Blythe Hoyle, a geologist with Iowa State University in Ames.

In the 1990s a new technique emerged that allowed scientists to streamline the operation by making powerful microbes, or «superbugs,» that could perform the necessary processes all on their own.

Early results show that the capsules have cured 32 people infected with drug - resistant Clostridium difficile, a dangerous microbe that installs itself in the gut and causes inflammation marked by diarrhea, cramping and pain.Thomas Louie, an infectious disease physician at the University of Calgary in Alberta, presented the data on October 3 at ID Week, a meeting of infectious disease specialists.

«What I hope,» Relman says, «is that by starting with specimens from healthy people, the assumption would be that these microbes have probably been with us for some time relative to our stay on this planet and may, in fact, be important to our health.»

His ideas, once ridiculed, have been partially vindicated by the discovery that pieces of Mars have landed on Earth, and by studies showing that extremely hardy microbes could survive extended voyages through space.

Scientists are keeping a close watch on variables that might affect life in the open ocean, including depleted oxygen levels caused by a feeding frenzy from oil - and gas - eating microbes, and the unknown effects of dispersants, which break the oil into droplets but may keep it suspended in the water.

«In contrast to a traditional soil decomposition model, our model can elucidate mechanisms that depend on social dynamics that emerge on the microbial community level, but are driven by individual interactions among microbes competing for food and space at the smallest scale.»

For roughly an eon, life on Earth changed but little, dominated by hardy microbes in oceans starved of oxygen.

«By cleaning the water with microbes on - site, we've come up with a way to allow producers to generate bioethanol, which replaces petrochemical methanol.

Last month, Venkat published a paper claiming that the SAF version of B. pumilis is in fact a new species after all — a substrain that has adapted and evolved to the conditions imposed on it by NASA, like an herbicide - resistant dandelion or the supertough microbes that sometimes spring up in hospitals.

Now, Wyss Institute researchers led by Church have developed a new suite of such sensors, reported in Nucleic Acids Research journal, that not only increase the number of cellular «switches and levers» that scientists can use for complex genetic re-programming, but also respond to valuable products such as renewable plastics or costly pharmaceuticals and give microbes a voice to report on their own efficiency in making these products.

Preventive vaccines work by introducing harmless microbial chemical markers, known as antigens, which resemble the markers on living microbes.

The sulphur - containing molecule methyl mercaptan is naturally produced in significant quantities on Earth only by microbes, including some that make their pungent presence known in the human body.

The study, published October 14 by Cell Host & Microbe, underscores the importance of antimicrobial peptides and hints at a new therapeutic approach to helping the immune system get a leg up on this crafty pathogen.

The compound might help the animal defend against predatory fish, or it might actually be produced by symbiotic microbes living on the creature's surface.

Research on microbiome links to obesity, for instance, suggests that a new «skinny» microbiome has to be accompanied by a switch to a diet lower in fat and calories, or else the new microbes will just be outcompeted.

After boiling the carcasses or burying them for rapid defleshing by microbes and insects, O'Driscoll found 758 wounds on the bones, which he examined microscopically, and compared to 201 cut marks in an experimentally created reference collection of butchered animal bones.

Louca suspects that interactions between organisms that are not directly related to metabolic function, such as infection by viruses or «chemical warfare» between microbes, may be causing this variation of species that can not be explained based on environmental conditions.

Hawkes also points out a major benefit of research on microbiome treatments: They may one day help move growers toward more sustainable, low - input agriculture by using plant - microbe interactions as opposed to chemical additives.

«Microbiologists have rarely taken into account fluid flow as an ecological parameter, whereas physicists have just recently started to pay attention to microbes,» he says, adding: «The ability to directly watch microbes under the controlled flow conditions afforded by microfluidic technology — which is only about 15 years old — has made all the difference in allowing us to discover and understand this effect of flow on microbes.»

Now imaging techniques are providing answers by following microbes on the move.

A 2010 analysis by Australian researchers looked at the actual number of bacteria per square centimeter on various banknotes and found that a U.S. note contains 10 such microbes per square centimeter (higher than what Australia and New Zealand had on their currency.)

Like the poet, microbes that make methane are taking chemists on a road less traveled: Of two competing ideas for how microbes make the main component of natural gas, the winning chemical reaction involves a molecule less favored by previous research, something called a methyl radical.

«We found that the Antarctic microbes have evolved mechanisms to live on air instead, and they can get most of the energy and carbon they need by scavenging trace atmospheric gases, including hydrogen and carbon monoxide,» she says.

Over the past several years, Metcalf and colleagues have developed a «microbial clock» to measure postmortem passage of time by genetically sequencing the population of microbes on the skin and in the surrounding soil.

In I Contain Multitudes, Ed Yong vividly describes the intricate alliances forged by microbes with every other organism on the planet.

The ecosystem may be nourished at least in part by microbes that feed on organic goo in the subglacial mud — the remains of ancient plankton that died and sank to the bottom millions of years ago, when the world was warmer and this place was a sunlit sea.