Sentences with phrase «soil bacterium»

The findings suggest that most genes from soil bacteria are not poised to contribute to antibiotic resistance in infectious bacteria.

In a stained mouse brain section, blue indicates serotonin - releasing neurons activated by soil bacteria.

The approximately 3,000 antibiotic resistance genes the researchers identified in soil bacteria typically were not close to such elements.

Plants can't break this down, so they rely on soil bacteria to do it for them.

Some plants communicate through chemicals released by their tissues, while other species use soil bacteria to find out what's going on their neighborhoods.

In retrospect, it is somewhat bizarre that nobody in the golden era of antibiotics questioned why soil bacteria make medicines for human illnesses.

This sort of communication may occur in pipes, across colonies of soil bacteria, and in the intestinal tract of animals, potentially aiding the spread of disease.

The one I develop most in the book is the example of the nitrogen cycle, which was once driven by soil bacteria, but has been absolutely taken over by human fertilizer factories.

Huge numbers of diverse antibiotic resistance genes are present in soil bacteria.

Hwa: Keep in mind, so much has been learned about individual microbes because many scientists study the same organisms, such as the gut bacterium Escherischia coli or the harmless soil bacterium Bacillus subtilis.

Tetracyclines were discovered in the late 1940s by an American plant physiologist named Benjamin Minge Duggar from soil bacteria called actinomycetes.

One such study from last year looked at Bacillus subtilis, a common soil bacterium which has become a model organism for experiments and holds the record for space survival after spending six years on NASA's Long Duration Exposure Facility spacecraft.

Wick continues: «Our study shows that fungal hyphae not only provide soil bacteria with an excellent infrastructure, but also a potential hot spot for bacterial horizontal gene transfer.

A group of German and French scientists under the direction of the Goethe University Frankfurt have discovered that the smell of white truffles is largely produced by soil bacteria which are trapped inside truffle fruiting bodies.

In the soil around their roots, billions of fungi and soil bacteria respire as well.

A team of scientists announced that they have sequenced the genome of the common soil bacterium Streptomyces coelicolor — the largest microbial genome to date — unearthing both promising and surprising genomic features.

The three most active ingredients in commercial monthly heartworm preventive medications — ivermectin, milbemycin oxime, and selamectin — are all derived from a compound within the naturally occurring soil bacteria Streptomyces avermitilis.

Researchers at the Joint BioEnergy Institute are looking to common soil bacteria for help in converting aryl compounds, a common waste product from biofuels synthesis, into something of value.

Mice given peanut butter laced with a common, harmless soil bacterium ran through mazes twice as fast and enjoyed doing so.

Another study to be presented at the conference on Thursday shows beneficial soil bacteria can not tolerate silver, copper oxide and zinc oxide nanoparticles, also used in sunscreens and other products.

Since then, Mackie has found that soil bacteria around conventional pig farms, which use antibiotics, carry 100 to 1,000 times more resistance genes than do the same bacteria around organic farms.

And the normally innocuous soil bacterium Acinetobacter baumannii has plagued veterans» hospitals, evolving intense virulence and antibiotic resistance and afflicting wounded soldiers returning from Afghanistan and Iraq.

THE METHODS Some studies have found that treatment with M. vaccae, the inoffensive soil bacterium, eases skin allergies, and other reports — such as the cancer study — show that it can improve mood.

Hamers, Haynes and Pedersen tested the effects of NMC on a hardy soil bacterium known for its ability to convert metal ions to nutrients.

Scientists at the University of North Carolina at Chapel Hill have pinpointed a key genetic switch that helps soil bacteria living on and inside a plant's roots harvest a vital nutrient with limited global supply.

In previous research, Bais had shown how soil bacteria living among the roots can signal leaf pores, called stomata, to close up to keep invasive pathogens out.

Now, a team led by mineralogist Carlos Rodríguez - Navarro at the University of Granada reports promising results from tests of an abundant soil bacterium, Myxococcus xanthus, on samples of limestone used extensively in historic buildings in Spain.

Instead, Junier suspected that morels might be enhancing an extra food source by offering soil bacteria «fungal highways» for travel to new territory.

Research from The Sage Colleges in Troy, New York, suggests that exposure to a natural soil bacterium called Mycobacterium vaccae can increase learning behavior.

We found that the gene in nitrate - utilizing soil bacteria, responsible for the destruction of nitrous oxide, can be regulated when copper is added.

The morel can spread soil bacteria to new «fields» and cultivate them with fungal secretions that the bacteria consume, says microbial ecologist Pilar Junier of the University of Neuchâtel in Switzerland.

Only soil bacteria can do this.

«Our study results showed humic substances increased plant root development and soil bacteria population in the moderate and no - stress conditions of 60 and 80 percent irrigation,» Leskovar said.

But not soil bacteria.

Soil bacteria carry out similar reactions, turning atmospheric nitrogen into forms that are usable by plants.

MICROBE KILLER An antibiotic candidate called teixobactin is made by the naturally occurring soil bacterium Eleftheria terrae, shown here.

Drug - resistant bacteria are thwarting the world's last - resort antibiotics, leading scientists to seek new compounds from poisonous frogs, backyard soil bacteria, and other wildlife.

Taking this «hygiene hypothesis» in an even more surprising direction, recent studies indicate that treatment with a specific soil bacterium, Mycobacterium vaccae, may be able to alleviate depression.

Using genomics, researchers are able to screen soil bacteria that are likely to produce novel antibiotic products.

«Our results show that healthy growth can be achieved by combining certain soil bacteria with grasses, even when plants are grown in extremely nitrogen - deprived soil,» said study coauthor Richard Ferrieri, director of Brookhaven Lab's Radiochemistry and Biological Imaging Program.

And, as Fierer freely admits, tallying soil bacteria is unglamorous work.

Soil bacteria survive buckyball treatment, possibly because the soil soaks up the tiny particles

An international team of researchers, including three from the U.S. Department of Energy's Brookhaven National Laboratory, has tracked nitrogen as soil bacteria pull it from the air and release it as plant - friendly ammonium.

The scientists measured the effects of two BNF soil bacteria — Azospirillum brasilense and Herbaspirillum seropedicae — on growth of the grass Setaria viridis.

But by using this new technique, Mitchell's lab discovered a novel product after screening just a few dozen soil bacteria.