Sentences with phrase «resistance genes with»

The investigators compared the resistance genes with currently known resistance genes.
By combining understanding of resistance genes with knowledge of the pathogen, they hope to develop Desiree and Maris Piper varieties that can completely thwart attacks from late blight.
To find out if their guess was right, Levin, Schrag, and Perrot made some of the drug - resistant bugs susceptible again by replacing their resistance gene with a gene that conferred sensitivity.

Not exact matches

I won't reveal yet who my favorites are, but I will say that these young scientist - founders came up with very creative solutions for preventing infections in some common surgeries, tackling resistance in targeted antibody drugs, improving gene vectors for cell therapies, helping the vision - impaired «see» faces and better read their environments, imaging hard - to - see spots in the lungs and other organs, improving genetic risk analysis, and expediting the logistical operations of hospitals.
With respect to antibiotic resistance, this novelty can be induced and we can trace the novelty to particular mutations arising absent gene transfer; i.e. the genes which give rise the resistance were not present prior to the mutation, they are new sequences and not simply the activation of dormant genes.
By adding these new genes, genetic engineers hope the plant will express the traits associated with the genes, such as resistance to certain diseases or herbicides.
The advent of rice varieties bearing genes with resistance to the disease has changed the perception about the disease: the incorporation of host - plant resistance genes in rice varieties, their adoption and deployment in the world's main rice - producing environments is probably one of the most significant evidences of the role of plant pathology in agricultural development.
In particular, the PTPRF gene, which is known to suppress intracellular signals that are usually triggered by insulin binding to its receptor on the cell surface, may serve as a biomarker linking insulin resistance with insufficient milk supply.
Researchers found RGA2 gene activity level in the modified bananas was «strongly correlated» with TR4 resistance
Specifically, they have found unnaturally high levels of antibiotic resistance genes in sediments where the river comes into contact with treated municipal wastewater effluent and farm irrigation runoff as it flows 126 miles from Rocky Mountain National Park through Fort Collins and across Colorado's eastern plain, home to some of the country's most densely packed livestock operations.
A 2003 study of the mouths of healthy kindergartners found that 97 percent harbored bacteria with genes for resistance to four out of six tested antibiotics.
These adaptations include the massive and rapid expansion of gene families that produce venom toxins, providing the snake with a highly toxic protein mixture required to overcome a variety of different prey and also circumvent any resistance to venom that may have developed in such prey.
One of the newest banes of U.S. medical centers, a supervirulent and multidrug - resistant strain of Acinetobacter baumannii, likewise appears to have picked up most of its resistance in gene swaps with other species.
The more diverse the genes of the MHC, the more effective it is at conferring disease resistance, and in a variety of animals individuals with diverse MHCs are more likely to be chosen as a sexual partner.
«When you contaminate a site with resistance genes, those genes can be transferred into environmental organisms and actually increase the concentration of contamination.»
When the team induced expression of the corresponding gene in the leaves of two other plant species (one closely related to S. lycopersicum and the other more distantly related), both plants reacted to presence of the C. reflexa peptide with increased production of ethylene, and exhibited increased resistance to C. reflexa infestation.
The researchers — James Robl, a developmental biologist and his colleagues at the University of Massachusetts at Amherst, and Steve Stice at Advanced Cell Technology in Worcester, Massachusetts — inserted a marker gene fused with a gene for resistance to the chemical neomycin into a culture of connective tissue cells called fibroblasts.
Women with high levels of FGF1 were less likely to respond to platinum - based drugs, but blocking the gene makes their cells lose their resistance (British Journal of Cancer, DOI: 10.1038 / bjc.2012.410).
Nor would they be able to receive any genes from natural bacteria that would endow them with antibiotic resistance or the ability to make toxins.
Barnes and colleagues selected 23 genetic markers throughout the gene and tested whether any of them were associated with worm resistance in the residents of Conde.
Genes associated with tick resistance were identified in all five breeds.
So even if you start off [with] say, a resistant type of staph infection, that line of staph organisms not only, will they be more resistant, but they may pass some of the genes for that resistance off to completely other unrelated types of bacteria.
New research presented here yesterday at the annual meeting of the American Association for the Advancement of Science (which publishes ScienceNOW) finds that a gene associated with increased risk of asthma is also linked to resistance against a parasitic worm.
The study found several genes that are associated with resistance to antibiotics, including new genes that might point to previously unknown mechanisms of drug resistance.
There is a very good reason microbes would be armed with antibiotic resistance genes, the researchers explain.
As millions of tons of fishmeal are used every year with much of it sinking uneaten to the ocean floor, Jing Wang and colleagues wanted to see what its impact could be on the mariculture «resistome,» or collection of resistance genes.
But by investigating the DNA sequence around the resistance genes, the team figured out how the resistance genes transfer occurred through a new mechanism named «carry back,» where the pathogen basically has a primitive form of «sex» with the Actinobacterium and takes up its resistance genes after it dies.
The object of the experiment is to mutate a gene in the bacteria, giving it antibiotic resistance, then prove it by dosing the cultures with antibiotics.
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.
The wild Asian banana Musa acuminata malaccensis — the genome of which was published last year (A. D'Hont Nature 488, 213 — 217; 2012)-- seems to be resistant, and researchers are experimenting with putting its resistance genes into the Cavendish.
A faulty gene that causes insulin resistance may be a causative factor in nearly half of all families with obesity, a new study suggests.
The reference genome from QMUL was used by scientists at University of York who discovered genes that are associated with greater resistance to ash dieback.
While the increase in EPSPS gene copies has created a nonsustainable way of controlling kochia with glyphosate - only programs, Jugulam said this resistance was evolved as the result of continuous use of glyphosate and the lack of herbicide diversity in controlling this weed.
«Plants with one type of glyphosate - resistance mechanism make multiple copies of the target site for glyphosate, a gene called EPSPS.
Whatever this compensatory mutation was, it needed to be paired with the initial resistance gene.
The researchers also found genes in these isolates that confer resistance to numerous other antibiotics, as well as genes associated with decreased susceptibility to disinfectants.
«Dangerous bacteria found after sewer spills: Bacteria equipped with genes that can transfer antibiotic resistance adds to a sewage spill's public health threat.»
The scientists also found that the extract affects the gene expression of the bacteria, by repressing a number of genes linked with antibiotic resistance and virulence.
One of them was able to cause full - blown disease symptoms — tan spore - producing lesions on the leaves — on eight soybean lines, including two with multiple resistance genes.
To grow a plant with better salt tolerance or pest resistance, scientists must first add genes to the embryo.
«Nevertheless, this gene will be useful in combination with other STB resistance genes, and our study provides tools for rapid lab - based tracing of Stb6 in wheat breeding lines,» says Kanyuka.
«By comparing the two timelines, we saw the appearance of each specific gene in the soil samples was consistent with the evolution of similar types of resistance in medicine.
«When we treat mice with certain classes of drugs, we see enrichment of resistance genes to those drug classes,» Modi said.
They also created Cavendish lines with Ced9, a nematode gene known to confer resistance to many kinds of plant - killing fungi.
That's because gut phage from mice treated with one drug carried high levels of genes that confer resistance to different drugs, which means that the phage could serve as backup when bacteria must find ways to withstand a variety of antibiotics.
Biotechnologist James Dale and colleagues at Queensland University of Technology in Brisbane, Australia, cloned a resistance gene named RGA2 from a type of wild banana that's impervious to TR4 and inserted it into the Cavendish, creating six lines with varying numbers of RGA2 copies.
Analysis of historic soil archives dating back to 1923 has revealed a clear parallel between the appearance of antibiotic resistance in medicine and similar antibiotic resistant genes detected over time in agricultural soils treated with animal manure.
Ivo Rieu's research group also studies genes that provide plants with an increased heat resistance.
These crops, being embraced by big agriculture in the U.S., carry genes that imbue them with resistance to herbicides and lace their tissues with a bacterial toxin harmless to humans but fatal to pests that may try to feed on them.
To date, all known integrons have been associated with genes for antibiotic resistance.
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