Sentences with phrase «only by 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.

Not exact matches

Not only microbes protect against asthma evidently, but also farm animals: Petting cats and cows and drinking farm milk can also prevent asthma, as the team of researchers headed up by Remo Frei of the Swiss Institute of Allergy and Asthma Research from the University of Zurich in cooperation with the Center for Allergy Research and Education (CK - CARE) in Davos and the Children's Hospital of Eastern Switzerland in St. Gallen: «Early childhood contact with animals and the consumption of food of animal origin seems to regulate the inflammatory reactions of the immune system,» says immunologist Frei.

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.

Our strongest antibiotics are being thwarted by microbes that can lie dormant, only to reawaken once the threat has passed

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.

Levy is fond of citing a French study showing that when people whose guts were plagued by resistant E. coli ate only sterilized food, the nature of the prevailing microbes changed.

Even more surprising to the research team was the lack of overlap in the microbes» substrate preferences, where only a few metabolites were consumed by all.

But the study, by U.S. Geological Survey researchers, reveals that much of this carbon is in complex forms that microbes consume only slowly.

Since changes in the soil nitrogen cycle are driven by microbes, could bacteria associated with invasive species not only be responsible for the observed changes in soil nutrient concentrations, but also for enabling the continued growth and persistence of the invader species?

«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.»

Because the molecule only lights up when eaten by healthy, hungry TB bacteria, it won't flag microbes that have been crippled or killed by antibiotics as typical tests do.

One of the key processes in the research was comparing the genome assemblies of the fungal enzymes to those of other biomass - degrading microbes, made possible only by recent breakthroughs in genome sequencing techniques,

After extracting and analyzing DNA at the core of the coprolites, which haven't been contaminated by microbes in the soil, the researchers found that although both tribes consumed seafood, only the Saladoid samples contained freshwater fish parasites, suggesting that the tribe consumed raw fish regularly.

The average life span for a pygmy is only about 17 years; a leading cause of death is infectious disease carried by the miasma of microbes that flourish in the hot, moist jungle.

Still, since only a fraction of the symbiont population is harvested, the microbes likely benefit from the association with the host by gaining nutrition in the bug's gut and a secured transmission route to the next generation,» says Hassan Salem.

By studying liverworts - which diverged from other land plants early in the history of plant evolution - researchers from the Sainsbury Laboratory at the University of Cambridge have found that the relationship between plants and filamentous microbes not only dates back millions of years, but that modern plants have maintained this ancient mechanism to accommodate and respond to microbial invaders.

This opens up the opportunity to discover new types of enzymes that are only produced by microbes in communities.»

Even if such efforts succeed, they won't necessarily cause native Mars life to be swamped by microbes from Earth, Rummel said — especially if Red Planet organisms exist only underground, where they're shielded from harmful radiation.

Then we passed them through further filters so that particles that were only nanosized could go through, and then we performed a number of procedures in order to find out which were the molecules responsible for the healthy beneficial effects of the Bravo in addition to the reconstitution of the human microbiome by the microbes.

School classrooms provide an ideal scenario for colonisation by bacteria — the close contact of pupils for prolonged periods, and numerous commonly touched, communal surfaces provide almost perfect circumstances for microbes to not only thrive and survive but pass from pupil to pupil either directly or via shared surfaces.

But the evolution of DNA sequencing techniques has now made it clear that a large number of microbes exist that are represented only by rare, remaining members of their type.

In some cases, a traveler may have picked up a bacteria or microbe elsewhere and only by washing your hands thoroughly before touching your food or eating anything can you be sure you haven't contributed to the problem.

If aliens had been looking out for us with the help of a radio telescope, they would have probably ended up finding nothing during the period of the first 4.5 billion years; of course Earth had dinosaurs and microbes, but we became detectable only by the time of Second World War, after the invention of radar.