Sentences with phrase «of a fecal sample from»

Their study of fecal samples from 105 patients treated with immune checkpoint blockade indicates that certain characteristics of patients» microbiomes correlate with slower disease progression while other qualities are associated with rapid worsening of the disease.

Analyses of fecal samples from the infants, collected during the first 60 days of life, revealed stark differences.

They took a bunch of fecal samples from vegetarians, did some DNA fingerprinting, compared it to omnivore feces, and found significantly more of the lean - type bacteria — suggesting a smaller capacity for energy gain from food in vegetarians.

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.

They compared fecal samples, loaded with gut microbiome members, from three groups: Amazonian hunter - gatherers and Andean farmers, both living in Peru, and an industrialized population in the U.S.. Each group possessed distinct microbiomes with varying types of bacteria, but the American population stood out for having both different and less diverse critters.

When they analyzed microbes found in fecal samples collected from mice and humans at different times of day, they discovered rhythmic fluctuations in the abundance of microbes and their biological activities.

They also swabbed a total of 272 brown bear «scats,» or fecal samples, from those same locations.

Scientists at the Food and Drug Administration traced the toxic strain of E. coli to the California ranch after testing bacteria - tainted spinach leaves and matching them to fecal samples from a wild boar that had been killed on the farm — the first time an outbreak of E. coli poisoning from produce had been tracked directly to its source.

Mangalam and his team from Mayo Clinic — where all of the work was completed before Mangalam joined the UI in 2015 — conducted microbiome analysis on fecal samples collected from MS patients as well as healthy control subjects.

From that sample, you scooped out a little bit of the fecal matter, put in the test tube, and stuck it in the freezer.

To test whether a partial loss of plant - derived dietary fiber would result in a partial loss of native gut microbes, the authors also collected fecal samples from a semi-captive population of red - shanked doucs who lived in a sanctuary and received about half of the normal variety of plants eaten by wild doucs.

Cycloviruses were first discovered in 2009 — along with a host of other viruses — in fecal samples from South - Asian children suffering from acute flaccid paralysis, by a team led by Eric Delwart of the Blood Systems Research Institute in San Francisco.

The scientists checked fecal swabs taken from dozens of animals in Dong Thap province and found what the virologist calls «remarkably high» incidence of the virus: Nearly 60 % of the animal samples tested positive.

She and Christine Casey, a graduate student in the College of Veterinary Medicine, collected fecal samples from the geckos and tested them against common antibiotics.

Young and colleagues used DNA sequencing to study the composition and structure of fecal microbiota (bacteria) in stool samples from 14 patients before and two to four weeks after fecal transplant.

Now, a group headed by Ramnik Xavier, a gastroenterologist at Harvard Medical School in Boston, has collected fecal samples and taken biopsies of the lower part of the small intestine and rectum from 447 children who had just been diagnosed with Crohn's, and a control group of 221 kids who had noninflammatory abdominal symptoms, such as bloating and diarrhea.

Her new genetic analysis studied a few hundred fecal samples collected from Gombe chimps, many of which were infected with SIVcpz, a retrovirus that is HIV's predecessor.

Eventually, by drawing on Georgiadis's tissue collection, Lori Eggert's West African samples, and the gleanings of other on - site collectors, Wasser's team at the Center for Conservation Biology at the University of Washington assembled a bank of 354 tissue samples and 491 fecal samples, collected from 45 locations in 23 countries, that together account for over 85 percent of Africa's surviving elephants.

She knew that signals from the gut can affect how bone forms and gets reabsorbed, so her team took fecal samples from control mice in each of the three experiments and analyzed their gut microbes.

To test the theory, he and his colleagues analyzed bacteria in fecal samples from lab mice kept in normal 12 - hour cycles of light and darkness.

The hair proved to be that of an agouti, the fecal samples did not reveal any DNA aside from, in one case, that of a giant anteater, and the casts don't hold any scientific weight, as Oren readily points out, «because they can be easily faked.»

Getting «informed consent» from the Matses to gather their fecal samples, which are the best source of bacteria from the gastrointestinal (GI) tract, was a challenge, Lewis says, so the anthropologists gave the Matses a crash course in bacterial biology by showing them gut microbes under microscope.

Knight says some of the strongest evidence for a bacterial role in circadian - linked diseases lies in the final phase of the study, when the research team analyzed fecal samples from two people on a normal schedule and two more who had recently flown from the United States to Israel.

So far, the evidence Oren has gathered on these hunts — a clump of hair, several fecal samples from different areas, and some casts of footprints — has led to naught, fading like tracks in the forest.

Led by graduate student Alejandro Reyes, Gordon's team analyzed fecal samples from four sets of Missouri - born female identical twins and their mothers.

The researchers tested 1,556 fecal samples from 11 field sites and identified a high prevalence of Laverania infections in an area called Tshuapa - Lomami - Lualaba (TL2), a remote region in the eastern DRC.

Here we report the detection of SIVcpz antibodies and nucleic acids in fecal samples from wild - living P. t. troglodytes apes in southern Cameroon, where prevalence rates in some communities reached 29 to 35 %.

Their next step was to analyze 1300 fecal samples of wild apes (some turned out to be from gorillas) and identify several places in which SIVcpz was widespread in chimp communities.

In nonhuman primates, most epidemiologic studies of adenoviruses have focused on their identification in fecal samples from asymptomatic animals [6], [7], [8].

To investigate variation in gut microbial community composition within a species, we collected fecal samples from five groups of black howler monkeys (Alouatta pigra) in Mexico over an eight - week period (May - July 2009).

The group solicits fecal samples from people all around the world in an effort to build a comprehensive library of microbiome communities.

Each colored dot represents the abundance of that protein family (measured on a logarithmic scale) for a particular fecal sample taken from a healthy person (green dots) or a person with IBD (red, blue, purple dots).

The study included babies cared for in the NICU of St. Louis Children's Hospital, where the investigators collected 401 fecal samples from 84 preterm infants over the first three months of life.

We successfully extracted and sequenced DNA from archaeological fecal samples in order to assess possible differences in the fecal communities of individuals from Saladoid and Huecoid indigenous cultures.

Procrustes analyses of core and cortex samples were conducted as a control study to assess the fecal microbiome in the coprolites and to see any differences from obvious soil contaminants.

You've probably read that 90 % of the 257 samples of ground turkey from 21 states tested positive for one or more types of bacteria, including fecal bacteria, salmonella, and staphylococcus aureus.

The Prevalence of P. Copri Bacteria in the groups studied: P. copri bacteria was found most in the fecal samples from the newly diagnosed patients with 75 percent of the samples carrying the bacteria.

Researchers have observed decreased levels of Lactobacilli and Bifidobacteria and an increased prevalence of pathogenic anaerobic organisms such as E. coli and Clostridia in fecal samples from IBS patients.

Fecal samples were collected from all participants on days 16 and 21 of the study.

In a field investigation, 12 % (95 % confidence interval [CI]: 0.06, 0.23) of fecal samples (n = 65) collected from Rancho San Antonia County Park and Open Space Preserve in Santa Clara County, California were PCR - positive for N. cati.

The number of cysts can vary from day to day, so best chances of detecting this form of Giardia lies in collecting samples over three days for a fecal flotation test or conducting individual tests every two or three days until at least three tests have been done.

Methodology / Principal Findings: Fecal samples from healthy dogs (n = 32), dogs with acute non-hemorrhagic diarrhea (NHD; n = 12), dogs with acute hemorrhagic diarrhea (AHD; n = 13), and dogs with active (n = 9) and therapeutically controlled idiopathic IBD (n = 10) were analyzed by 454 - pyrosequencing of the 16S rRNA gene and qPCR assays.

Typically, cats that share litter boxes will all be infected with the same intestinal parasite, so a fecal sample from one of the cats in the group is usually sufficient to determine if an infestation exists in the home.

As part of this research, I needed to understand how field conditions (sunlight, insects, time from defecation) and preservation methods were affecting the fecal samples I was collecting from wild monkeys.

The disease is diagnosed with analysis of a fecal sample to detect the parasite's eggs or by detecting the bacteria through a needle sample from a swollen lymph node.

A fecal sample will be collected from the sick puppy or dog to be tested for evidence of parvovirus antigen (or a protein on the virus surface that triggers a response from the dog's immune system).

Basically, the veterinarian will mix a fresh fecal sample from the dog with a special solution, strain the mixture, put it into a test tube covered with a glass lid, spin it down in a centrifuge and then look at the material that sticks to the underside of the glass coverslip under a microscope.

Last summer, when four Stony Brook medical students — Jaydon Kiernan, Paul Castle, Koeun Choi, and Lee Hakami — planned a health research project in Madagascar, Small explored the idea of using drones to cut the time between diagnosis and treatment by transporting blood and fecal samples from patients to the laboratory at the ValBio research center.