Sentences with phrase «resistant genes from»

The population of heartworms not exposed to the drugs — heartworms living in wild canids such as wolves, foxes and coyotes, and in untreated domestic dogs — helps to dilute the heartworm gene pool, keeping the resistant genes from predominating.

Salyers has shown that Bacteroides probably picked up erythromycin - resistant genes from distantly related species of staphylococcus and streptococcus.

Greenhouse testing has shown 10 to 30 percent reproduction rates on varieties with resistant genes from PI 88788.

William Powell and Charles Maynard at the State University of New York did an ingenious bit of genetic engineering to introduce a fungus - resistant gene from wheat, creating a blight - proof American chestnut that can begin to take up its former crucial role in the eastern forest, as soon as the US government okays it as a benign genetically modified organism.

Scientists at SUNY in New York made the trees blight - proof by introducing a fungus - resistant gene from wheat, and the improved tree is now going through the approval process with government regulators.

Not exact matches

He also suggested that «there is a connection» between Bt cotton, a GM product that includes genes from Bacillus thuringiensis (Bt) to make it pest - resistant, and farmers» suicides, referring to thousands of farmers who have committed suicide in the last few years due to indebtedness, mostly in cotton growing regions.

Cavendish Grand Nain were modified with the RGA2 gene, taken from the TR4 - resistant wild, south - east Asian banana subspecies, Musa acuminata ssp malaccensis

Unlike other superbugs, a new class of antibiotic - resistant bacteria are gaining their power from easily transferable genes such as NDM - 1

Collins and his colleagues have made other tests that detect genes from antibiotic - resistant bacteria.

Is the jump in resistance genes coming from a population explosion in the resistant enteric, or intestinal, bacteria coming into the sewage plant?

Weber is now investigating how fertilizer derived from human sewage may contribute to the spread of antibiotic - resistant genes.

Bacteria expressing enzyme in one cell (bright green), while genetically identical cells do not, remaining protected from antibiotic onslaught; image courtesy of Yuichi Wakamoto / Neeraj Dhar / John McKinney Some strains of nasty bacterial infections, such as MRSA (methicillin - resistant Staphylococcus aureus), come loaded with resistance to antibiotics built right into their genes.

From isolated caves to ancient permafrost, antibiotic - resistant bacteria and genes for resistance have been showing up in unexpected places.

Rudich says that the study enabled the researchers to identify a «signature» for each source of bacteria based on the prevalence of antibiotic resistant genes, which revealed whether the genes were local or imported from distant deserts.

«With more than 1.7 million people dying globally from TB each year and the rise of strains that are resistant to drug treatment, we need a better way to prevent this disease,» said the study's principal investigator Louis Picker, M.D., who is the associate director of the OHSU Vaccine and Gene Therapy Institute and a professor of pathology, molecular microbiology, and immunology in the OHSU School of Medicine.

As well as identifying the Ebola strains, Collins and his colleagues have made other tests that detect genes from antibiotic - resistant bacteria.

Genes from the vancomycin - resistant bacteria were detected for nearly two weeks following the spill.

When scientists engineered the plants to express the glutathione transferase (DmGSTE6) gene found in fruit flies, they found that plants expressing the gene were more resistant to TNT and were better able to remove it from contaminated soil than wild - type plants without the gene.

Deleting a single gene from mosquitoes can make them highly resistant to the malaria parasite and thus much less likely to transmit the parasite to humans, according to a new paper from scientists at Johns Hopkins Bloomberg School of Public Health's Malaria Research Institute.

Collected in Denmark — where antibiotics were banned in agriculture from the 1990s for non-therapeutic use — the soil archives provide an «antibiotic resistance timeline» that reflects resistant genes found in the environment and the evolution of the same types of antibiotic resistance in medicine.

Analysing the samples, the team — involving experts from Newcastle University, the University of Strathclyde and Aarhus University — were able to measure the relative abundance of specific β - lactam antibiotic resistant genes, which can confer resistance to a class of antibiotics that are of considerable medical importance.

Bacteria can become resistant to the antibiotic either as the result of a spontaneous mutation or by picking up an appropriate «resistance gene» (which codes for a protein that confers resistance) from another bacterium via genetic exchange.

We assume that phages acquire resistance genes from already resistant bacteria and then transfer those genes to other bacteria,» says Hilbert.

He discovered that there is a signal sent from the chloroplast in response to light, which then activates gene expression in the nucleus to make the plant resistant to heat stress.

When they focused on genes involved in drug resistance, the group found that C. krusei differs from C. albicans; many of the sites that are often mutated in the target of azole drugs in resistant C. albicans are not mutated in C. krusei.

«We obtained a total of 36 antibiotic resistance genes from the antibiotic - resistant E. coli.»

By adding a single gene from wheat, researchers have created fungus - resistant trees that pass their resistance on to their offspring and, hopefully, subsequent generations too (see «American chestnut set for genetically modified revival «-RRB-.

On the flip side, said Tran, PGC1 alpha transgenic mice, which had increased expression of these genes, were particularly resistant to various stressors and recovered from injury much more than quickly than animals with normal regenerative abilities.

In 2009, for example, Sangamo Therapeutics in Richmond, California, began using zinc finger nucleases to modify genes in immune cells from HIV - infected people, hoping to make the cells resistant to the virus.

Bacteria share DNA with other organisms with which they come into contact, so an antibiotic - resistant gene can transfer from one type of bacterium to another, and a bacterial cell can become resistant to numerous antibiotics at once.

New Jersey researchers have identified what is believed to be the first strain of Escherichia coli bacteria from a patient in the United States that harbored two mobile genes making it resistant to both broad spectrum carbapenem antibiotics as well as colistin, an older antibiotic increasingly used as a last resort for multidrug - resistant infections.

Ethionamide in particular is activated by the enzyme EthA, but some resistant forms of tuberculosis have developed mutations in the ethA gene, sparing them from the toxic effects of the transformed ethionamide.

So for example, if one microbe is resistant to antibiotics and the other one isn't, if we let them have sex, maybe one of them will pass the resistance gene on to the other one and we can figure out where it is by seeing how long it takes for that gene to get from one microbe to the other.

Although the notion that sharks and rays are more resistant to cancers needs rigorous scientific confirmation, the results of this new study raise the enticing prospect that the proteins produced by these cancer - related legumain and Bag1 genes have modified functions in sharks, including the possibility of actually protecting the animals from acquiring cancer.

«We wanted to see if field - resistant pink bollworm from India harbored these same changes in the cadherin gene,» Fabrick said.

Noticing an odd resistance profile, first author Vincenzo Di Pilato, Ph.D., reanalyzed the genome data from the bacterium, and discovered the new gene, which is a variant on the colistin - resistant gene, mcr - 1.

The protocol is supposed to protect countries from unwittingly importing transgenics that could harm their environment — for example, if a gene inserted in a crop to make it resistant to herbicides were to jump into a related weed.

AHR2 is also the same gene identified in a 2011 Science paper by WHOI biologists and colleagues from New York University and NOAA on PCB - resistant tomcod from the Hudson River.

The researchers hope that what they are learning from soil bacteria will help identify ways to reduce gene sharing among infectious bacteria, slowing the spread of drug - resistant superbugs, said senior author Gautam Dantas, PhD, assistant professor of pathology and immunology.

«We'd anticipate far fewer ecological consequences from gene - driving one of these naturally occurring proteins into a population of snails, because they'd remain natural in pretty much every other way — just instead of being more susceptible to Schistosoma, they'd be more resistant.»

Expression of BAC clones containing the Naip5 gene from resistant strains (C57BL / 6J and 129X1 / SvJ) in A / J mice rendered transgenic mice resistant to infection (J: 81887, J: 129300).

He received his Ph.D. in pharmacology from Stanford University, where he studied gene amplification as a mechanism by which cells become resistant to anticancer agents.

Working with Carla Guimaraes from Whitehead Member Hidde Ploegh's lab, Carette subjected knockout cells to several bacterial toxins to identify resistant cells and therefore the genes responsible.

At a 97 percent rate of inheritance, one lone mosquito carrying an edited gene that prevents it from spreading malaria could make an entire population of mosquitoes resistant to the disease in less than a year.

Several ongoing projects include the identification of newly discovered gene rearrangements in rare and refractory (unresponsive or resistant to therapy) tumors from patients evaluated at the Rutgers Cancer Institute of New Jersey.

Objectives: To investigate the context of the ribosomal RNA methyltransferase gene armA in carbapenem - resistant global clone 2 (GC2) Acinetobacter baumannii isolates from Singapore.

No significant differences were seen between the normoxic and hypoxic anoikis - resistant populations collected from MCF7 cells and a single significant gene change (PIP) was seen in T47D (Table 1) suggesting that the CSC - enriched population remains virtually unchanged following hypoxic culture and the increase in MFC, HFC, and tumor initiating cells is, therefore, due to expansion of the population, perhaps by increased symmetric self - renewal of the CSC or de-differentiation of early progenitor cells, rather than simply the acquisition of anoikis resistance in non-CSC.

To investigate how some bedbugs were defending themselves, scientists compared the genes of 20 pyrethroid - resistant populations of the insects from around the country against a susceptible colony from Los Angeles, California.

Researchers have created drought resistant transgenic rice using a gene from a small Eurasian flowering plant....

Using techniques not unlike DNA fingerprinting, the scientists were able to detect the presence of antibiotic - resistant genes in soil samples gathered from all across the U.K.