Sentences with phrase «resistance genes into»

Modern breeding has resuscitated grocery store tomatoes with an influx of wild genes; in the past 50 years, researchers have bred back some 40 disease - resistance genes into commercial crops.
But putting drug - resistance genes into microbes that cause disease doesn't sound like a great idea.
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.
It may take as long to breed a new resistance gene into a new cultivar as to introduce a new fungicide (± 10 years), even though this time can be shortened somewhat today with molecular tools by reducing the back - crossing cycles.
Emblematic of our goal to be a «hands - on» science center, a 32 - seat lab was the first space renovated, and in the spring of 1988 we conducted the first lab field trips during which students cut and separated viral DNA or inserted an antibiotic resistance gene into bacteria.

Not exact matches

In terms of biodiversity, organic farming takes into account gene adaptation, local ecosystems and species to improve disease resistance, soil, gene pools and local wildlife habitats.
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.
«When you contaminate a site with resistance genes, those genes can be transferred into environmental organisms and actually increase the concentration of contamination.»
The answer is important because sludge bacteria are much more likely to thrive and spread their resistance genes once the sludge is discharged into rivers (in treated wastewater) and onto crop fields (as slurried fertilizer).
As a marker for successful insertion, the researchers also put a gene encoding antibiotic resistance into the plasmid.
Is the jump in resistance genes coming from a population explosion in the resistant enteric, or intestinal, bacteria coming into the sewage plant?
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.
Ideally, they could insert the resistance genes from Asian chestnuts into American ones.
A plasmid, a simple kind of DNA - delivery vehicle, will move a gene for antibiotic resistance into the bacterial cells, jump - starting the Crispr - Cas9 system.
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 team cut and pasted a bovine gene for NRAMP1, a protein linked to resistance against TB and other bacterial infections, into fetal dairy cow genomes.
When they inserted those genes into crop genomes, through a technique called recombinant DNA, the plants were able to produce the protein for bug resistance on their own, eliminating the need to spray insecticide.
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.
Simply incorporating the gene, known as Bt, into a plant gives it resistance to pests, without requiring periodic spraying by the farmer.
Hendrik is preparing the publication of the most complete woolly mammoth genome yet, and Harvard geneticist George Church's team is already working to introduce specific DNA variants — genes for hair, tusks, subcutaneous fat and cold resistanceinto cultured cells from Asian elephants (right).
The scientists have also detected resistance genes for sulphonamides and another antibiotic in the treated wastewater — which will be turned into snow at a nearby ski resort, in a relatively pristine part of a river basin, later this year.
They cloned the resistance gene, called RB, and then inserted it into a disease - susceptible potato variety called Katahdin.
The offspring and their descendants glow under blue light, showing that both genes were successfully bred into the line of cats and that the properties of the HIV resistance gene can be tested.
Scientists inserted the jellyfish gene for GFP along with the gene for HIV resistance into a cat egg before it underwent IVF treatment.
«We were happy to find that antibiotic resistance genes from soil bacteria generally aren't poised to jump suddenly into pathogens,» Dantas said.
Into some bacteria they inserted genes for resistance to particular antibiotics; the idea is that only the antibiotic - resistant bacteria are carrying the real message.
Further analysis reveals that the antibiotic resistance genes are often lumped together into «resistance islands» within microbes» DNA, with up to five genes within one island.
Scientists» initial idea was to introduce genes conferring resistance to human pathogens into mosquitoes, and then enlist Wolbachia to help these traits race through the population.
Dr Melita Gordon, from the University of Liverpool's Institute of Infection and Global Health, said: «Importantly, the antibiotic resistance genes, which have previously been carried on a separate genetic package, have now been incorporated into the main chromosome of the bacteria itself, which is likely to make it easier for the Typhoid strain to retain these resistance genes
Genetic engineers directly transferred the gene for the toxic protein into crops to give them built - in resistance.
Additional experiments showed the feasibility of creating a two - layer security system for T cells by simultaneously blocking a gene the HIV virus needs to gain entry into cells and a gene the virus needs to survive and reproduce within the cell, resulting in doubly secure resistance.
If these bacteria happen to come into contact with other microbes that carry resistance genes, those genes can pop over in one step.
Because disease organisms mutate quickly to overcome crop resistance controlled by single genes, researchers are rushing to identify new resistance genes and to incorporate multiple genes into high - yielding varieties, according to Ravi Singh, CIMMYT wheat scientist who participated in the reported study.
Students introduce a gene for antibiotic resistance into the bacterium E. coli.
Using plant biotechnology we have introduced two resistance genes of a wild potato into a modern potato variety.
Briefly, the genes were cloned into a pET24 vector with kanamycin resistance and transformed into Escherichia coli BL21 (DE3) cells.
For the rice plant to effectively combat blast, scientists at IRRI are combining into the same rice type different race - specific genes and genes conferring quantitative resistance.
Pyramiding of two or more effective resistance genes / alleles into elite rice lines enhances the durability and spectrum of resistance.
The environmental resistome therefore constitutes a reservoir of resistance genes that can be mobilized into human pathogenic bacteria [13], [21].
One use of these genes might be to insert them into other crop plants to provide «disease resistance, or to make them grow bigger and faster,» says Kaul.
Early insights into the potential of the Oxford Nanopore MinION for the detection of antimicrobial resistance genes
Antimicrobial resistance genes can be carried on plasmids or on mobile elements integrated into the chromosome.
Worse still is when agribusiness and geneticists change the seeds of grasses, with their genetic manipulations converting, for example, 4 - and - a-half-foot tall traditional wheat into 18 - inch tall high - yield semidwarf strains that now comprise 99 % of all wheat grown worldwide, or insert various genes for herbicide resistance, as in genetically modified corn.
A gene for green fluorescent protein from the jellyfish, Aequorea Victoria, has been inserted into the cats» DNA and is used as a marker for cells carrying a second gene which confers resistance to the feline version of the AIDS virus, the Feline Immunodeficiency Virus (FIV).
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