Sentences with phrase «bacterial genes»

Although these studies have generated vast amounts of descriptive data, the functions of most bacterial genes in these collections remain poorly characterized or wholly unknown.

So in the new study the researchers slipped the «alien» pair of bases into bacterial genes that also contained traditional bases.

It is an open question whether such modification should be considered equal to introducing bacterial genes.

This result provides new fodder for a contentious debate over whether bacterial genes are present in the human genome.

In his PhD thesis presented in 1958, Arber showed that in the specialized transducing Lambda phages several viral genes had been substituted by bacterial genes for galactose fermentation.

This form of interference with bacterial gene regulation is also of pharmaceutical interest as it is known that pathogenic bacteria can protect themselves against attack by the immune system and the effect of antibiotics by forming biofilms, for instance on the epithelium of the respiratory system.

UCLA scientists used DropSynth to make thousands of bacterial genes with different versions of phosphopantetheine adenylyltransferase, or PPAT (pictured).

The term is often used to refer to organisms that have had genes transplanted from other species — corn plants engineered to carry bacterial genes that make a chemical toxic to pests, for instance.

Hormones and the Microbiome Turns out a certain set of gut bacteria and more specifically certain bacterial genes, called the estrobolome, produce an essential enzyme...

Fierer adds that it may be possible to retrieve useful amounts of bacterial gene sequences from textured surfaces that won't yield fingerprints.

The structures of the halogenated compounds synthesized by seaweeds are similar to those of these substances so that they cause a blockade of the bacterial receptors and suppress the switchover of bacterial gene regulation to biofilm formation.

Based on bacterial genes, the team identified a human protein, selenium binding protein 1, which can convert methanethiol into other and compounds.

«We want to dig into this further and figure out how these ions impact bacterial gene expression, but that work is still underway.»

By analyzing variation in a specific bacterial gene in his samples — the greater the variability, the higher the variety of species — Fierer found that deserts contained up to twice as many bacterial species, roughly 10,000 per 10 square meters, as did acidic rain forest soils.

So when biologist Thomas Boothby of the University of North Carolina at Chapel Hill and colleagues discovered bacterial genes

If a soil sample contains bacterial genes that produce enzymes used to convert carbon dioxide from the atmosphere into solid carbon, and these genes are active, researchers can conclude that microbes within the sample are actively storing carbon.

In one experiment that has yet to be published, B. bacteriovorus almost completely ate up the genetic material of a bacterial colony within two hours — showing itself as a fast - acting predator that could prevent bacterial genes from falling into the wrong hands.

(At least one test, Agilent's Mycoplasma Plus PCR assay, is based on a different bacterial gene.)

And then there's the technology that is out in the field now in which bacterial genes have been moved into the crop.»

Sometimes, by chance, bacterial genes mutate during reproduction, subtly altering the nature of the bug.

Nine groups of bacterial genes turned out to be antiphage defense systems, and one system protected against plasmids, another source of foreign DNA, the researchers found.

To determine how similar a person's fingertip bacteria are to bacteria left on computer keys, the team took swabs from three computer keyboards and compared bacterial gene sequences with those from the fingertips of the keyboard owners.

Most held nothing but bacterial genes.

«They are getting small by coopting bacterial genes in the host, a level of complexity that we would not have predicted.»

But Sauer fears that some companies, including those making industrial enzymes using natural bacterial genes spliced into E. coli, may find that their intellectual property has suddenly become worthless.

On his first trip he fished out more than a million never - before - seen bacterial genes.

But while other researchers might focus on ways to manipulate bacterial genes or combat disease, Bang, of the South Dakota School of Mines and Technology, has found a somewhat more concrete use for bacteria.

But new techniques that insert foreign genetic material, say bacterial genes to produce insecticide in a corn plant, have raised health and environmental concerns.

During the dark phase (when mice, being nocturnal, are most active), the bacteria were busy digesting nutrients, repairing their DNA, and growing, as evidenced by the various bacterial gene activity documented from fecal samples taken at different time points.

Ten years ago, India adopted Bt cotton, which uses modified bacterial genes to control pests.

Using cutting - edge technology in genomics, the researchers measured the contribution of every single bacterial gene to antibiotic resistance, leading to the identification of several genes that are vital for survival of MDR K. pneumoniae in the presence of colistin, the last resort antibiotic for treating infections caused by these bacteria.

For instance, some of these phage elements can activate or silence bacterial genes by moving into or out of the chromosome.

While previous attempts focused on swapping bacterial genes that code for the turbocharged rubisco, the team also made other genetic substitutions that encode proteins that manufacture the rubisco.

Besides influencing the function of the microbiome, changes in bacterial genes also affect total genome size, which can bias the estimation of the proportion of each gene in the sample.

Humans need bacterial genes to aid in basic processes such as digestion.»

Bridging the gap between human and companion animal research, Professor Kelly Swanson (University of Illinois, USA) acknowledged the foundation that human studies have provided with respect to bacterial gene catalogues, databases and bioinformatics tools.

But the rapid rise of bacterial genes for drug resistance stems from more than lucky mutation, Levy adds.

Turns out a certain set of gut bacteria and more specifically certain bacterial genes, called the estrobolome, produce an essential enzyme that helps metabolize estrogen.

Rho, found in many bacteria, acts as a protein regulator of bacterial gene expression, determining which genes get turned on or off.

They used a technique called next generation sequencing (NGS) to detect specific bacterial genes.

They have identified 20 newly discovered bacterial genes that could be used to develop better tests for detecting the disease earlier and more accurately, says John Bannantine of the USDA.

Bt corn, for example, contains bacterial genes that make the crop toxic to soft - bodied caterpillars and some other insects.

As more researchers identify bacterial genes with interesting functions, we can think about how to manipulate them natively for therapeutic treatments.»

For the past two decades, promises of crop improvement have been the domain of genetically modified plants: mostly, crops supplemented with bacterial genes to resist pests or weedkillers like Roundup.