Mice were generated
with the Transgenic Mouse Core of the Penn Diabetes Research Center (DK19525).
Through the use of mice
with transgenic expression of CD1a, we...
METHODS: Gene gun immunization is conducted
with transgenic mice using the Abeta42 gene in a bacterial plasmid with the pSP72 - E3L - Abeta42 construct.
That's easier
with some transgenic proteins than others.
As the level of gene activity knockdown associated
with transgenic RNAi depends on the level of expression of the hairpin constructs, we generated a number of derivatives of our initial vector, called the «VALIUM» series, to improve the efficiency of the method.
Mice
with a transgenic copy of the human SMN2 gene lose approximately 20 percent of their anterior horn cells, are extremely weakand underweight, and display other manifestations of disease, as well as die after two weeks.
To test their reasoning they conducted a second experiment by crossing mice carrying the prostate - specific IGF - 1R knockout alleles
with transgenic mice that develop spontaneous prostate cancer when p53 and select other genes are compromised.
We have replaced the tobacco RbcL gene
with transgenic loci containing two or three cyanobacterial genes encoding the S. elongatus Rubisco large subunit (Se LS), small subunit (Se SS) either alone or with the putative chaperone RbcX or a gene encoding the carboxysomal protein M35.
Applications for permission to work
with transgenic livestock, for example, are piling up at the US Department of Agriculture while the administration decides which agency should handle regulation of this technology.
Additional experiments
with transgenic mice indicated that L1 had hopscotched in a subset of brain cells, but not in the cells of most other tissues.
The role of these different forms was explored
with transgenic mice expressing PrP mutations that alter the relative ratios of the topological forms.
In order to visualize this signal, the scientists performed experiments
with transgenic Arabidopsis plants which were genetically modified to express a protein in the cytosol, the liquid inside the cells, which breaks down and releases light energy after it has bound calcium ions.
They bred this mouse
with another transgenic mouse that carries a piece of DNA that recognises vasa and changes the colour of only those cells that carry it.
He gave me the opportunity to work
with transgenic plants, specifically to assess cold and frost tolerance of transgenic canola.
Eventually these trees will be cross-pollinated
with transgenic, blight - resistant American Chestnut seeds, which will produce blight resistant seeds that the Parks Department can then reproduce.
High has experimented
with transgenics in a number of multimedia, interspecies projects such as Embracing Animal (2004 - 2006), and she has staged competitions between human white blood cells through her ongoing Blood Wars tournaments.
Not exact matches
Using genetic engineering or
transgenic technology, the DNA of plants and animals is combined
with the DNA of other species and artificially modified to exhibit traits such as resistance to cold or herbicides.
Thanks to CRISPR gene - editing tools, researchers can tweak the rat genome to create so - called
transgenic animals
with human - like disease traits.
Twelve
transgenic piglets endowed
with a mouse UCP1 gene were better able to maintain their body temperature than their unmodified counterparts when they were exposed to cold for a 4 - hour period, the authors report today in the Proceedings of the National Academy of Sciences.
«Until everyone embraces
transgenics — which, personally, I've been working on these things for over 20 years, and I don't see any problem
with using biotechnology — we are also exploring alternatives,» says Arias.
A
transgenic mouse — one
with foreign genes swapped into its DNA — poses
with its own gene sequence at Harvard Medical School.
Transgenic mice were created
with cardiac - specific overexpression of the beta 2 - adrenergic receptor.
This resulted in increased basal myocardial adenylyl cyclase activity, enhanced atrial contractility, and increased left ventricular function in vivo; these parameters at baseline in the
transgenic animals were equal to those observed in control animals maximally stimulated
with isoproterenol.
But
transgenic mice
with the codon - 127 mutation were completely resistant to kuru and CJD regardless of whether they bore one or two copies of it.
A few years after he arrived in Carbondale to run SIU's physiology department, he began collaborating
with Thomas Wagner, a geneticist at Ohio University in Athens who was a pioneer in engineering
transgenic animals.
Transgenic plants are plants that have been genetically engineered, a breeding approach that uses recombinant DNA techniques to create plants
with new characteristics.They are identified as a class of genetically modified organism (GMO).
Dolly the sheep was cloned, in fact,
with the intention of eventually using this procedure to create
transgenic animals having useful properties, not as a means to make carbon copies of baseball legend Ted Williams or a favorite dead pet.
Goats as Drug Factories Initially, GTC generated
transgenic goats by microinjecting into the developing nucleus of a one - cell embryo a gene encoding the desired human protein (along
with DNA that promotes activation of that gene in milk).
The idea of making
transgenic drugs occurred to a number of scientists during the mid-1980s, when the new industry began to wrestle
with the challenge of making complex proteins: ensuring that these big molecules were folded into the proper shape and that they had all their sugars in the right places on the surface of the proteins» amino acids.
In mid-2001 Nusinoff Lehrman left, and her replacement, Geoffrey Cox, decided to proceed
with development of
transgenic antithrombin — this time in European clinical trials for patients
with inherited antithrombin deficiency.
Their plan is to make a
transgenic chestnut
with genes that inhibit the growth of the fungus.
Pedro Sanchez says we need nanofertilizers,
transgenic crops, and governments and investors
with cojones.
The mature
transgenic animals were bred usually
with nontransgenic goats as a first step toward producing a herd.
Engineered organisms that can not breed
with wild counterparts could prevent
transgenic plants from spreading genes
Although the bulk of the commercial manufacturing uses cultures of bacteria, such as Escherichia coli or Chinese hamster ovary cells, a few biotech companies are trying to produce therapeutic proteins in the milk of
transgenic mammals (such as GTC Biotherapeutics, which is using goats; PPL Therapeutics, which is using sheep; and BioProtein Technologies, which is working
with rabbits),
transgenic chicken eggs (such as Avigenics or Vivalis), or even in
transgenic crops (such as ProdiGene or Meristem Therapeutics); but it is early days for these «pharming» methods.
Scientists are creating
transgenic mosquitoes
with reduced ability to carry the devastating diseases that have plagued much of humanity.
FUS3pro:: WRI1: seed of the
transgenic plant
with extended oil synthesis phase during seed formation.
The leaves were taken from transplastomic dsRNA plants, conventional
transgenic dsRNA plants
with a modified nuclear genome, and unmodified plants.
FUS3pro:: WRI1 / 12s1.4: seed of the
transgenic plant
with extended oil synthesis phase and disrupted formation of major seed storage proteins.
For this study, they created several lines of
transgenic Brazilian and African rice that overexpress this gene, and
with their CIAT and JIRCAS collaborators, tested how well the rice grew in different conditions in different years.
Here are the 20 finalists from the 2007 contest, starting
with the winning picture: a 17 - times magnified view of a double -
transgenic mouse embryo by Gloria Kwon of the Memorial - Sloan Kettering Institute in New York.
This yielded
transgenic cassavas
with 60 % to 94 % less linamarin in their leaves.
Preliminary tests indicate that
transgenic plants are somewhat stunted for a month if not fertilized
with soil ammonia.
Such claims have linked the rise in occurrence of corn diseases like Goss's wilt, which causes leaf blight and systemic wilt, to the adoption of
transgenic corn across the U.S.. However, a new study from the USDA - Agricultural Research Service (ARS) provides empirical evidence showing no increase in disease susceptibility in
transgenic sweet corn treated
with glyphosate.
Experiment showed
transgenic sweet corn was not more susceptible to Goss's wilt disease when treated
with glyphosate.
Now, geneticists have developed a potential boon for the health of African subsistence farmers who rely on the crop:
transgenic plants
with roots practically free of cyanide - forming chemicals.
As they grew, the
transgenic finches all began to display the behavior disorders associated
with Huntington's, such as tremors sometimes seen in patients.
The new study is the first demonstration of an approach combining ancestral sequence reconstruction
with the making of
transgenic organisms to directly test hypotheses at multiple biological levels, Siddiq said.
It's a broadly applicable approach that in theory could be used
with other organisms that lend themselves to
transgenic engineering.
Without access to
transgenic mice, Castro says he's «competing at a disadvantage»
with mainland Spain.