Sentences with phrase «strains of microbes»

The thymus is the small organ in the lymphatic system that makes T - cells, [29] which are highly specialized immune cells that target specific types and strains of microbes, like viruses.
He and his colleagues found several strains of microbes in certain children's feces that seemed to protect them from developing the chronic inflammatory disease.
In the laboratory they isolated 221 strains of microbes from the diseased samples and picked out the four most prevalent organisms.
They studied samples of rumen gut contents from 43 cows and identified 913 diverse strains of microbes living in the rumen.
To determine the importance of the enzyme to the bacteria's ability to set up shop in the stomach, the team disabled the enzyme in one strain of microbe.
The researchers found a number of different strains of the microbe, including 66 that had never been identified before.
We've already worked out the theory of how we could target a strain of microbes in a natural microbiome.
In the future, they would like to target a strain of microbes in other microbiomes, such as those found in soil or water.
A recent study conducted by researchers from Stanford School of Medicine in the U.S. revealed that certain strain of microbes living in the intestines of mice raised on diets comparable to those of first world country citizens were at risk of extinction.

Not exact matches

Actually, that's only half her job, which is to ensure that outgoing missions to places that might be capable of harboring life don't get contaminated with Earth microbes, and to ensure that any missions to far - off places don't bring back the real - life version of the Andromeda strain.
Huge successes in the isolation and cultivation of marine microbial strains have been made by the EC - funded MaCuMBA (Marine Microorganisms: Cultivation Methods for Improving their Biotechnological Applications) project, which aims to uncover the untold diversity of marine microbes using cultivation - dependent strategies.
Unlike antibiotics, which act like sledgehammers, wiping out all bacteria, phages specifically target single strains of these germs, leaving beneficial microbes unharmed.
The study of the new strain's genetic structure might also lead researchers to a better understanding of how the microbe adapts itself to human hosts.
The authors caution that while humans and dogs host very similar microbes, they are not exactly the same microbes, but very closely related strains of the same species.
New pandemics are most likely to be triggered by mutant strains of familiar microbe species, especially those that have caused plagues by churning out mutant strains in the past.
Genetic assays can pinpoint particularly dangerous strains of otherwise mild microbes.
The two types of microbes mixed in these migrants, creating today's European strain much more recently than expected.
But it wasn't just any gut microbe — this early farmer was infected with a particular ancient strain of Helicobacter pylori bacteria that is most similar to modern Asian strains.
Then, they examined the bacterial DNA, looking for patterns or variations in the microbes» genes that would help them identify specific strains of bacteria.
The team suggests that further studies of strain differences could lead to probiotic treatments for acne, which instead boost or supply beneficial microbes.
The findings, which appear in the March 11 issue of Cell Host & Microbe, contradict previous reports from Indian health officials that the strain has not changed from the version of H1N1 that emerged in 2009 and has been circulating around the world ever since.
Although bacteria have a seemingly limitless capacity to alter their genes by swapping bits of DNA between strains, this mechanism doesn't seem enough to account for the swift pace of change and the high variability of E. coli and other strains.Thomas Cebula of the U.S. Food and Drug Administration (FDA) wondered if this rapid evolution is being driven by microbes capable of much faster - than - normal variation.
By isolating five bacterial strains of endophytes found inside S. halepense rhizomes (subterranean stems used for storage and vegetative reproduction) and growing them in the lab in different mixtures of substrates, the authors determined that these microbes were able to fix and mobilize nitrogen, phosphorus, and iron.
The researchers modified an ordinary laboratory strain of the ubiquitous human gut microbe Escherichia coli, enabling the bacteria to not only record their interactions with the environment but also time - stamp the events.
Compared to healthy people, ICU patients had depleted populations of commensal, health - promoting microbes and higher counts of bacterial taxa with pathogenic strains — leaving patients vulnerable to hospital - acquired infections that may lead to sepsis, organ failure and potentially death.
After growing several hundred strains of common microbes, they determined that the most effective was a soil microbe called Bacillus licheniformis.
They restored symptoms simply by cohousing their mice with a microbially richer strain, suggesting that the traits they had come to rely on in their research hinged on a delicate balance of mouse microbes.
Ground - breaking research has found that introducing «friendlier» less - potent strains into a population of disease - causing microbes can lead to increased disease severity.
The team injected different strains of Bacteroides fragilis, the species of gut - dwelling bacteria (pictured here), into mice that lacked their own microbes.
In the case of opiatemaking yeast, such rules might forbid developing strains to produce illicit drugs, such as heroin, and require scientists to build in genes that prevent the microbes from living outside of a controlled laboratory environment.
When they used an ampicillin - resistant strain of E. coli, however, they found that the oscillations initially decreased but returned to normal within about 15 minutes, indicating that the microbes had recovered.
They then split each of these two strains into three groups and to each group added genes for one of three different metabolic pathways that allow the microbes to make chemical precursors for either gasoline, diesel, or jet fuel.
Now researchers report that they've found a new strain of methane - eating microbes in soil samples from Axel Heiberg Island, in the Canadian high Arctic.
Using a genetically altered strain of Toxoplasma that is not able to form cysts and thus is unable to cause chronic infections in the brain, she demonstrated that the effect persisted for four months even after the mice completely cleared the microbe from their bodies.
To see what role the body's own immune system played in fighting infection, compared with gut microbes, the team also studied two strains of mice that have impaired immune systems.
The researchers found that bacteria forming part of a cluster were more likely to be taken up by human cells and to survive in them than the microbes without close relatives; the cluster strains also caused more severe disease in mice.
It shows once more that using metagenomics can be remarkably effective in tracking the evolution and spread of microbes without the need for culture — in this case, metagenomes revealed that some strain lineages have been circulating in Europe for more than two centuries.»
For this reason, it is important to determine not only the types of microbes present in a given sample, but also the genetic makeup of each strain.
And while scientists have made strides in recognizing various strains of gut microbes by identifying their molecular DNA signature, they still have a long way to go to determine what each does and how each functions, Bienenstock says.
For many microbes, the expansion of growing cell groups toward a source of limiting nutrients tends to promote the spontaneous segregation of different strains due to genetic drift along the advancing group front [36].
The Joslin researchers bred new generations of the three mice models and then tested whether germ - free mice who were given microbes from these three strains of mice were prone to diabetes or obesity like the donors.
The microbe is one of the first K. pneumoniae strains reported to the CDC that was resistant to all 26 antibiotics available for treatment, says Tom de Man, a bioinformatics expert at the CDC who led the study.
The microbe has also been used to create transgenic crops, including new strains of corn and soybeans.
Our research will contribute to a better mechanistic understanding of the microbes that live in our body, leading to the discovery of druggable small molecules, new targets for antibacterial therapy and beneficial bacterial strains that can be employed for intervention therapies.
And, these genes are not random or trivial; they often have huge implications for disease and are involved in critical processes, like determining which proteins a microbe produces or changing a strain of bacteria from being safe to harmful.
Probiotics / prebiotics / antibiotics Effect of a yoghurt drink containing Lactobacillus strains on bacterial vaginosis in women — a double - blind, randomised, controlled clinical pilot trial — C. Laue — Beneficial Microbes
Home scientists arguably lack the tools to stumble upon a new strain of influenza or accidentally create a deadly bioweapon, but they are apt to overlook fundamental laboratory safety measures that are important even when working with seemingly benign microbes.
Our research will contribute to a better mechanistic understanding of the microbes that live in our gut, leading to the discovery of druggable small molecules, new targets for antibacterial therapy and beneficial bacterial strains that can be employed for intervention therapies.
One of the many problems with formula is the glaring omission of these microbes leaving the baby susceptible to colonization by inappropriate strains, suboptimal diversity, and stimulation of the immune system by many of the toxic compounds in this synthetic food.
In one study, researchers fed probiotics — strains of good bacteria — to mice and suggested the resulting changes in the gut's microbe colonies could ease feelings of anxiety.
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