Sentences with phrase «of microbial samples»
Now researchers in California and Virginia have identified symbiotic bacteria living on amphibians» skins that protects them from the deadly fungal disease, and later this summer the scientists will collect some of the microbial samples, culture them in the lab, and use the product to inoculate some frogs in California's Sierra Nevada to see if the approach stops chytrid in the wild.
https://www.scientificamerican.com/ Not exact matches
A sample of your microbial makeup from fecal material, the mouth, or even your forehead can be genetically tested to figure out which bacteria are in your gut microbiome, and whether it's diverse or not.
One 2013 study found significant microbial contamination in breast milks samples purchased online, concluding that mothers should avoid use of donated or sold breastmilk and suggesting further use of lactation services as the solution to increasing breastfeeding rates.
These samples will help educate researchers on the impact of water re-use systems on microbial diversity.
Quiz Ref IDWe sequenced the V4 - V5 regions of the bacterial 16S rDNA to characterize the microbial communities present in a stool sample from each study participant at 6 weeks of age.
Hospital doctors will have to take microbial samples from patients suspected of infections before signing a prescription.
Back at the lab, they found that Jüttner's words were prescient: After culturing the microbial communities, the lake sample registered traces of toluene.
The scientists detected some evidence of fossil insect DNA in amber samples, but they couldn't rule out contamination by microbial or human DNA.
The virus was found when Bas Dutilh of Radboud University Medical Center in Nijmegen, the Netherlands, and colleagues were trawling through data from faecal samples collected for a 2010 study looking at the microbial gut communities of twins.
Dr Bayrakci and the team will collect cores of rocks and take fluid and microbial samples using two specialist robot drills.
The oozy red slush of Blood Falls in Antarctica's McMurdo Dry Valleys contains teeming microbial life — and may be a sample of a deep briny groundwater system hundreds of meters below the surface.
Evidence of a past environment well suited to support microbial life came within the first eight months of the 23 - month primary mission from analysis of the first sample material ever collected by drilling into a rock on Mars.
Currently, researchers analyze microbial diversity by taking a sample they hope includes the different kinds of bacteria in the gut.
Besides microbial ecology, fields that rely on global sharing of samples, data, and methods include climate science, geophysics, and health and science policy.
Though degraded, multitudes of ancient microbial DNA fragments, some 8 million years old, were suspended inside the ice samples.
«But what I find most interesting in Parkes» samples is the high density of microbial cells.
In search of microscopic life, molecular ecologist Kay Bidle of Rutgers University looked for microbial DNA in the soil and ice core samples Marchant gathered for him during one of his expeditions.
Dominquez - Bello, along with Jean Ruiz and colleagues, discovered that they could predict the functional spaces of homes just by analyzing the microbial samples, and that these predictions became more accurate with increased urbanization.
Nathan Cude works in Novozymes» agbiotech division in Durham, North Carolina in the microbial discovery group, which isolates and identifies thousands of microbes collected from soil samples around the United States.
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.»
Researchers noticed this pattern after sampling the microbial communities found in the saliva, skin and feces of 37 Komodo dragons across 12 U.S. zoos as well as the environment of two of the 12 enclosures.
Microbial ecologist Terry Hazen of Lawrence Berkeley National Laboratory (LBNL) and his colleagues used two ships to collect 200 samples from 17 deep water locations between May 25 and June 2.
We analyzed 7.2 terabases of metagenomic data from 243 Tara Oceans samples from 68 locations in epipelagic and mesopelagic waters across the globe to generate an ocean microbial reference gene catalog with > 40 million nonredundant, mostly novel sequences from viruses, prokaryotes, and picoeukaryotes.
It involved intensive molecular testing of swab samples from 87 women who had acquired HIV infection and of 262 who did not, and sophisticated analysis comparing the vaginal microbial communities in each of those groups.
By using a sampling kit and answering a few questions, volunteers help researchers create an atlas of microbial diversity in homes across the country.
With KatharoSeq, the researchers improved their level of microbial detection about two orders of magnitude and increased the rate at which they can process samples about five-fold, as compared to standard sampling and sequencing methods.
By discovering what kind of life inhabits Antarctic lakes, John Priscu — a microbial ecologist at Montana State University in Bozeman who is analyzing samples from Lake Whillans — hopes to understand what sort of technology will be needed when probes are eventually sent to those frozen moons.
He was game to research the microbial communities he would encounter on his journey, and every day after he made what he called a «tripmark,» a tire tread imprint on a piece of paper with location information and notes (above), he filled three vials of dirt and sent them back to Nagler at the University of Innsbruck, providing her with a rare opportunity to examine many samples of microbes from a broad geographic range.
Multiyear incubation experiments with samples of host rock confirmed the microbial activities measured in situ.
Part of the challenge in finding Loki samples is that they tend to be few in number, a rare figure in local microbial ecosystems.
The kinds of species were fairly consistent across sampling sites, which suggests there's something of a native microbial community that can survive in this salty sand by going dormant between periods of moisture, says Schulze - Makuch.
Related work by DeBruyn, Kathleen Hauther, a doctoral student in DeBruyn's lab, and others suggests that microbial sampling of the human gut itself might also serve as a time - since - death stamp.
The researchers sequenced the microbial cloud samples and saw that many of the participants had the same bacteria in their clouds, but in different concentrations.
None of the samples in the study contained microbial species or cells concentrations that present a public health risk.
They also looked at the total repertoire of genes in the sampled DNA to assess how well the microbial community was working.
The researchers analyzed DNA fragments in the samples to show that the microbial populations varied from region to region, even on the same variety of grape.
Collaborators at Human Longevity, Inc. sequenced the microbial genes extracted from each participant's stool sample and used that information to determine which species were living where, and the relative abundance of each.
They sent soil samples for DNA testing, looking for matches with particular genes known to be found in microbes and fungi; they tried to stimulate microbial growth on a wide variety of substances and then count the cells produced; and they used highly sensitive radiorespiration activity assays, which involve feeding the soil microorganisms a food source which has been labelled with radioactive carbon, which can then be used to detect if the microorganisms are active.
The researchers used 16s rRNA sequencing to characterize the microbial population in stool samples donated by 19 inhabitants of the Hamlet of Resolute Bay, a Canadian Arctic village on the southern end of Cornwallis Island accessible only by plane (and, when the sea ice breaks up, by boat).
To detect NAFLD earlier and more easily, researchers in the NAFLD Research Center at University of California San Diego School of Medicine, Human Longevity, Inc. and the J. Craig Venter Institute report that the unique microbial makeup of a patient's stool sample — or gut microbiome — can be used to predict advanced NAFLD with 88 to 94 percent accuracy.
Called the Ambrose Monell Collection for Molecular and Microbial Research, the lab is home to thousands of frozen microscopic genetic samples.
Based on their genetic material, the researchers determined the relative abundance of a range of microbial species in the samples.
Lead author of the research Dr Kelly Redeker from the Department of Biology at the University of York said «As microbial activity and its influence on its local environment has never been taken into account when looking at ice - core gas samples it could provide a moderate source of error in climate history interpretations.
Research reported in the Journal of the Royal Society Interface, which has directly observed microbial activity in Antarctic and Arctic snow, has revealed that the composition of these small samples of gas trapped in the ice may have been affected by bacteria that remain active in snow while it is being compressed into ice — a process that can last decades.
But when his team compared DNA sequences from the bacteria in the rock samples with those available in databases, he discovered an entire microbial ecosystem consisting of a wide variety of both archaebacteria and eubacteria, common «modern» bacteria that normally take up residence in lush places such as cheese and humans.
The researchers amplified microbial DNA from the samples, then looked at the abundance of various types of microbes.
To better understand the microbial diversity of these environments, researchers from the University of Manitoba isolated AAP strains from soil samples at four different sites within the Central Gold Mine tailings.
The next step in the research was to sample the rhizosphere, the soil in the region around the roots of rice plants growing in the field, to reveal the microbial community living there and to attempt to elucidate their roles.
Samples of Sargasso Sea water have given scientists a new appreciation of microbial diversity.
Simultaneous sequence analysis of all organisms in filtered samples from the Sargasso Sea indicates the presence of over 1800 species, with unexpectedly large microbial diversity.