Sentences with phrase «microbial activity in»

Phytoplankton prefer to consume nitrate with lighter oxygen and nitrogen isotopes, so they leave behind heavier isotopes; measuring these can reveal microbial activity in the environment.

The warming is speeding up microbial activity in the forest soils, which breaks down the organic carbon and releases it to the atmosphere, says researcher Jörg Prietzel, who published his findings in Nature Geoscience.

The team will also measure the microbial activity in these sediments to better understand the role of these buried microbes in the global carbon cycle.

However, the researchers would need to measure the microbial activity in wet sediments beneath the ice sheets to firm up their hypothesis, Siegert says.

It is made of many antioxidant agents, which stimulate antibodies and combat harmful microbial activity in the body.

Researchers also say dark chocolate appeared to have beneficial effects on the participants» metabolism and microbial activity in the gut.

«Winning the Baillet Latour Fellowship award will allow me to collect samples and study rates of microbial activity in East Antarctica, one of the worlds remotest and most extreme environments.

If, for example, it turns out the extra CO2 released during El Niño is largely due to microbial activity in soils and decomposing plant material, Malhi says, «I wouldn't expect it to last» as the world warms further.

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.

Chemical dispersants, which break up the slick, are perhaps the only way to boost microbial activity in the Gulf.

In fact, such an approach accelerated microbial activity in the sediment along the Alaska coast after the Valdez disaster.

Because of the successive years of adverse weather, especially this spring, there has been suppression in microbial activity in our soil.

Not exact matches

SENTRY is a bio-electrode sensor platform that allows for real - time monitoring of microbial activity and key wastewater contaminants in wastewater treatment facilities.

By lowering water activity in food, salt limits microbial growth, acting as a preservative in salt cured fish and meat products and playing an important role in cheese production.

This is a comprehensive microbial management program that included appropriate sanitation practices in the manufacturing facility; knowledge and management of the food product's water activity; and its pH, salt content, processing conditions and other parameters that will affect microbial growth.

[17] Whereas, when soil is tilled by machinery, the soil layers invert, air mixes in, and soil microbial activity dramatically increases over baseline levels.

In contrast, the overuse of synthetic fertilizers in conventional farming will often leave the soil stripped of organic matter, robbed of natural fertility, and devoid of microbial activitIn contrast, the overuse of synthetic fertilizers in conventional farming will often leave the soil stripped of organic matter, robbed of natural fertility, and devoid of microbial activitin conventional farming will often leave the soil stripped of organic matter, robbed of natural fertility, and devoid of microbial activity.

In addition, surface geophysical techniques are used to map soil electrical properties in 3 - D, which greatly controls soil microbial activitieIn addition, surface geophysical techniques are used to map soil electrical properties in 3 - D, which greatly controls soil microbial activitiein 3 - D, which greatly controls soil microbial activities.

«[This] tells us that methane - making microbial activity is very limited but it doesn't weigh in on the possibility that there are other microbes that don't produce methane still in existence in the subsurface,» says team member Chris Webster.

SAMHD1 isn't a molecular «good guy» or «bad guy» per se, but there are cases in which blocking its activity might thwart disease progression, said Li Wu, the study's senior author and a professor of veterinary biosciences and microbial infection and immunity in Ohio State's Center for Retrovirus Research.

Lee tried tilling oil - soaked wetlands in Nova Scotia where there was limited oxygen to increase microbial activity.

They identified microbial genes and their activity with help from DOE's Joint Genome Institute in Walnut Creek CA.

Global simulations conducted by the team found that microbial responses to enhanced root activity under rising CO2, while depending on plant species, climate and soil mineralogy, led to a loss of global soil carbon stocks that counteracted the additional carbon storage resulting from increased plant growth in many regions of the world.

Even when a prime, rock - free site is found, samples can be contaminated with microbial activity or by modern air that seeps in when temperature changes cause the ice to crack.

The release of those gases from fertilized soils increases at high temperatures due to increased microbial activity, says Darrel Jenerette, an ecologist at the University of California, Riverside, who was not involved in the new study.

Depth horizons with functional genes indicative of methane - cycling and sulfate - reducing microorganisms are enriched in solid - phase sulfur and total organic carbon, host δ13C - and δ34S - isotopic values with a biological imprint, and show clear signs of microbial activity when incubated in the laboratory.

Multiyear incubation experiments with samples of host rock confirmed the microbial activities measured in situ.

At the other extreme, microbial activity has been detected in permafrost soils in Antarctica at temperatures as low as — 4 °F.

Bioremediation — boosting microbial activity by ensuring a steady supply of such nutrients — is quite difficult in a case like the gusher in the Gulf of Mexico.

Using existing low - cost and low - weight technology in new ways, the team created a modular «life detection platform» able to culture microorganisms from soil samples, assess microbial activity, and sequence DNA and RNA.

In addition to illustrating the experimental role of a sucralose - maltodextrin based artificial sweetener in promoting intestinal dysbiosis [a microbial imbalance] and myeloperoxidase activity, the studies indicate that it might be possible to measure Proteobacteria and myeloperoxidase as simultaneous fecal biomarkers in patients to monitor their gut (disease / health) adjustment to their dietIn addition to illustrating the experimental role of a sucralose - maltodextrin based artificial sweetener in promoting intestinal dysbiosis [a microbial imbalance] and myeloperoxidase activity, the studies indicate that it might be possible to measure Proteobacteria and myeloperoxidase as simultaneous fecal biomarkers in patients to monitor their gut (disease / health) adjustment to their dietin promoting intestinal dysbiosis [a microbial imbalance] and myeloperoxidase activity, the studies indicate that it might be possible to measure Proteobacteria and myeloperoxidase as simultaneous fecal biomarkers in patients to monitor their gut (disease / health) adjustment to their dietin patients to monitor their gut (disease / health) adjustment to their diets.

Plant roots in soil are often regions of high microbial activity, known as rhizospheres, where symbiosis between plants and microbes promote plant growth.

«We observed that the activity of a widely - distributed group of microbial enzymes was influenced by the availability of iron in the seawater,» Dr. Browning points out.

When the data from all 62 studies were analyzed together, it turned out that microbial biomass and enzymatic activity were greater in no - till than in tilled systems.

In field experiments iron was added to seawater and the microbial enzyme activity was determined.

His specialty is microbial life in oceans, and his particular interest is the way that viruses drive the evolution and regulate the activities of bacteria.

The study suggests that since soil microbial biomass and enzymatic activity can stand in as proxies for soil quality, farmers should consider moving toward no - till or conservation tillage systems.

Unlike microcrystals, for example, the tubules have complex forms — often observed abruptly changing direction to avoid intersecting each other, in a manner consistent with tunneling microbial behavior — and contain organic molecules associated with biological activity; the Ries tubules are also similar to fossil traces of microbes found in volcanic glass.

Reconstructing the evolution of early microbial life depends mainly on finding organic and mineral remnants of microbial activity preserved in the rock record.

«It was very disconcerting - at first to see that the carbon - sulfur structures appear in our tests without biological activity, as they looked very microbial,» said Cosmidis, the lead study author.

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.

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.

While a core microbiota of the same bacteria was present in all areas of the mock - up spacecraft, the authors noticed specific bacterial signatures for each individual area, or module, indicating that — much like in other indoor environments — microbial presence is associated with human presence as well as the type of activity that an area is used for.

This trace evidence of ancient microbial activity was found in pillow lavas at least 3.47 to 3.45 billion years old from the Barberton Greenstone Belt of South Africa.

In an email interview with Newsweek, lead author Gaël Choblet, from the French National Center for Scientific Research, said that while he can not speculate on the presence of alien life on Enceladus, their timescale for hydrothermal activity does bolster the case that microbial life could emerge.

One of the main activities in the Ettema - Lab is to explore the existing microbial diversity on our planet.

«We hypothesized that soil amendment using lignite - derived humic substances would alter plant gas exchange, root growth and soil microbial activity, which in turn might mitigate potential crop losses under water - stress conditions,» he said.

Nutrient cycling may be affected by rising temperatures that, in turn, can increase microbial activity.

The research has led to three important findings: 1) in situ bioremediation of uranium is possible, 2) uranium reduction activity at this site is associated with microbial iron reduction and appears to decrease with the onset of sulfate reduction, and 3) some uranium removal activity appears to persist long after acetate injections cease.

«Due to their capacity for improving plant root growth, soil nutrient cycling and microbial activity, the application of humic substances may have long - term benefits in agricultural systems.»