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Fecal in Biological News

Transport behavior of E. coli varies depending on manure source

... indicator organism for detecting the presence of fecal contamination in drinking water supplies. The ... E. coli isolates obtained from six different fecal sources. Results from this study were published ... when modeling E. coli movement from a single fecal source." Research is ongoing at USDA-ARS and ...

Bacterial persistence in streams

... the connection between watershed hydrology and fecal bacteria statistical time series analysis. Shesh ... Biotechnology. The presence of bacteria from fecal pollution continues to be a problem in both rural ... has been closely monitored as an indicator of fecal pollution and possible bacterial or viral enteric ...

American Chemical Society's Weekly PressPac -- June 25, 2008

... on whether beaches are safe for swimming, or should be closed due to fecal contamination, are based on testing the water for E. coli. However, ... for the development of models that predict concentrations of indicators of fecal contamination at beaches. Unique features of Virtual Beach are the ability ...

Fecal microorganisms inhabit sandy beaches of Florida

... meters from shore. But since sand is an effective filter, it follows that fecal bacteria (those from sewage) may be concentrated in the sand as the tide ... zone) and dry sand above the intertidal zone had significantly more fecal bacteria than near-shore seawater. This lead to the question do indicator ...

August 2009 Geology and GSA Today media highlights

... OX1 3QY, UK. Pages 703-706. The paper by Chase et al. details the discovery of sensitive indicators of past environmental change in the stratified fecal deposits (known as middens) of rock hyraxes in the Namib Desert of Namibia. The records they have obtained, derived from stable carbon and nitrogen ...

The straight poop on counting tigers

... YORK (JUNE 18, 2009) The Wildlife Conservation Society (WCS) announced today a major breakthrough in the science of saving tigers: high-tech DNA fecal sampling. According to the study, researchers will be able to accurately count and assess tiger populations by identifying individual animals ...

No insurance? No colonoscopy

... amongst the poorer socio-economic and ethnic groups. Of the several screening modalities currently available, colonoscopy, sigmoidoscopy and fecal occult blood testing (FOBT) have been shown to reduce colorectal cancer incidence or mortality. Inadomi draws attention to the high prevalence of ...

Origins of wolverine in California genetically verified

... species, and California wolverines are genetically unique from other North American populations. Last year, scientists collected hair and fecal samples from the photographed animal so that its DNA could be examined to help determine whether the wolverine had somehow survived as part of a ...

K-State researchers help Epitopix license the United States' first E. coli O157 vaccine for cattle

... number of animals shedding E. coli . Of the vaccinated cattle that were still shedding, we observed nearly a 98 percent reduction of E. coli O157 fecal concentration. "Epitopix LLC has had many successes with this technology in other industries including poultry and dairy," Thomson said. "They ...

Lincoln Park Zoo scientists awarded National Institutes of Health grant

... about chimpanzees and better understand maternal behavior and stress in humans. Researchers use non-invasive techniques, gathering hormone data from fecal samples, to obtain a clear view of the relationship of the mother and offspring without creating any disturbance. "Despite how much insight ...

When fish farms are built along the coast, where does the waste go?

... to a mangrove ecosystem or a public beach. On the other hand, insufficient flow through the pen can create a "dead zone" on the ocean floor as the fecal matter and uneaten food pile up beneath the fish. Fringer is designing his software so that it can be used to asses any sitePuget Sound, ...

Dog owners more likely to share germs with pets by not washing hands than by sleeping with dog

... have it, and it normally doesn't cause any problems," she said. "But it can acquire genes to make it antibiotic resistant." The study examined fecal samples from dogs and their owners and looked at the bacteria's DNA fingerprints. Stenske found that 10 percent of dog-human pairs shared the same ....

Understanding extinct microbes may influence the state of modern human health

... studies provide a view of these ecosystems prior to the modern world economy. In living people, the gut microbiome is frequently studied using fecal samples. This gave Lewis and his colleagues an idea. To understand the state of microbiomes before the global world economy, they would compare two ...

Rooted plants move mysteriously down greenways, scientists say

... this hypothesis. Caleb Hickman, a graduate student in the Washington University Ecology, Evolution, and Population Biology Program, has collected fecal samples left behind not only by deer, but also by a variety of mammals at Savannah River experimental sites. He is planting the samples in soil in ...

Study on wildlife corridors shows how they work over time

... if this is a plausible explanation, Caleb Hickman, a graduate student in the WUSTL Ecology, Evolution, and Population Biology Program, has collected fecal samples from a variety of mammals at the experimental sites and is literally planting them in soil in the WUSTL greenhouse to see if plant species ...

Biosolids microbes pose manageable risk to workers

... MADISON, WI, OCTOBER 27, 2008Class B biosolids are sewage sludges that have been treated to contain fewer than 2.0 x 106 fecal coliforms/dry gram. The USEPA estimates that 6.3 million tonnes of Class B biosolids are generated in the United States each year, and that by 2010, ...

Despite 'peacenik' reputation, bonobos hunt and eat other primates too

... possible. Although Hohmann's team did have prior evidence for monkey hunting by bonobos, it came exclusively from indirect studies of fresh fecal samplesone of which contained the digit of a black mangabey. Yet, in the absence of direct behavioral observations, it was not entirely clear whether ...

Geisinger piloting innovative laboratory specimen processing instrument

... clients," Dr. Bourbeau explained. "So we have an incredible amount of specimens that are handled in our lab." The WASP processes swabs, urine, fecal samples and other liquid-based specimens. These specimens are collected from patients for the detection of bacteria that are the causes of a variety ...

Controlling schistosomiasis: buffalo or snails?

... of infection among humans and animals have been found to differ among villages, and the researchers developed a mathematical model incorporating fecal parasite test results from thousands of people and animals (including, cats, pigs, dogs, water buffalo, and rats) to explain these differences. ...

Scientists, policymakers and industry leaders gather to discuss ocean iron fertilization

... blooms large enough, you could remove excess carbon dioxide from Earths atmosphere and carry it down into the deep ocean as organic matter (such as fecal pellets and dead plankton) sinks, thereby reducing the impact of greenhouse gases and global warming. There are many critical questions that ...

Uganda's mountain gorillas increase in number

... which also successfully used for the first time genetic samples from fecal specimens, Bwindi’s gorilla population now numbers 340 individual ... and distinguished, even among groups which have never been seen by people. fecal specimens were analyzed at the Max Planck Institute for Evolutionary ...

Marine phytoplankton changes form to protect itself from different predators

... ultimately consumes the phytoplankton determines the fate of the carbon it contains. If eaten by copepods, for example, the carbon becomes part of fecal packages that sink into the deep ocean where a portion of that carbon is sequestered – thereby reducing atmospheric carbon dioxide, a leading ...

Philandering female felines forgo fidelity

... nine-year study, which was conducted in the Serengeti National Park of Tanzania, focused on determining the paternity of cheetahs through the use of fecal samples that were then subjected to genetic testing. By comparing individual genetic micro-satellites from 171 samples, researchers not only were ...

Researchers find hepatitis A and hepatitis C attack same protein to block immune defenses

... The two are far apart genetically, are transmitted differently, and produce very different diseases. Hepatitis A spreads through the consumption of fecal particles from an infected person (in pollution-contaminated food or water, for example), but hepatitis C is generally transmitted only by direct ...

Gut reaction: Researchers define the colon's genome

... of diseases such as inflammatory bowel disease." As in studies of other animals, the scientists began by collecting droppings. They collected fecal samples from two anonymous, healthy adults who'd gone without antibiotics or other medications for a year prior to the study. The researchers created ...

UAB researchers confirm HIV-1 originated in wild chimpanzees

... conducted the first-ever molecular epidemiological survey of SIVcpz infection in wild-living chimpanzees in west-central Africa. By analyzing ape fecal samples collected by trackers from the forest floor in remote jungle regions of Cameroon, Hahn and her colleagues were able to detect SIVcpz-specific ...

Alaska seal pup diet may hold key to decline of population

... low fat diet reach sexual maturity later than those who consume a high fat diet, she noted. In addition, the researchers are: Examining fecal matter to see how efficiently the animals in the two groups digest their food. Animals on the low fat diet may be processing their food less ...

Plants give pests sock in the gut

... were feeding on the resistant plants had fallen significantly. "If the IIM is being degraded by the enzyme, pieces of it should not appear in the fecal pellets of the insect," notes the Penn State researcher. When used in conjunction with the Bt-toxin, a low dose of Mir1-CP was able to achieve a ...

Katrina floodwaters not as toxic to humans as previously thought, study says

... impact on Lake Pontchartrain, the receiving body for the pumped floodwaters. The researchers found high levels of bacteria, most likely from fecal contamination resulting from sewage. Levels were within the range of typical storm-water runoff in the city, the scientists say. They also detected ...

Beach pollution is worst during new and full moon

... polluted groundwater. "Beach sands and wrack [piles of seaweed and animal remains that wash ashore] have been shown at freshwater beaches to harbor fecal indicator bacteria and even pathogenic bacteria," Boehm says. "Beach managers who want to improve water quality at their beaches should investigate ...

Hurricane aftermath: Infectious disease threats from common, not exotic, diseases

... sewage contamination of the water. Although at high levels in floodwaters, the E. coli found in New Orleans is the type commonly associated with fecal contamination and is not the E. coli H7:O157 strain that can cause serious kidney disease and bloody diarrhea. "At this point in time, I think it ...

President Bush's cut to AIDS prevention in Africa would be devastating

... to behavioral changes and opening the door for multiple parasitic infections. The researchers focused on three primate species, collecting 1,076 fecal samples from the heavily logged area and from an undisturbed, nearby forest from August 1997 to August 2002 as part of a longitudinal study of ...

Affymetrix and ParAllele Launch Industry's Most Comprehensive Product Line for Targeted Genotyping

... to behavioral changes and opening the door for multiple parasitic infections. The researchers focused on three primate species, collecting 1,076 fecal samples from the heavily logged area and from an undisturbed, nearby forest from August 1997 to August 2002 as part of a longitudinal study of ...

Logging changed ecological balance for monkeys, damaged health

... to behavioral changes and opening the door for multiple parasitic infections. The researchers focused on three primate species, collecting 1,076 fecal samples from the heavily logged area and from an undisturbed, nearby forest from August 1997 to August 2002 as part of a longitudinal study of ...
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