Genome Annotation by Mutation
... cancers, Capecchi says.
Jumping Genes Help Make More Mutant DNA
Wu and Capecchi improved their new method by using it in combination with a transposon
or so-called jumping gene named piggyBac, which comes from a moth. They used piggyBac to insert pieces of loxP DNA randomly into numerous spots on ...
Transposon in Biological News
Parasites ready to jump
... mechanisms have evolved which can repress transposon
activity. Professor Klaus Frstemann of the Gene ... the system of so-called piRNAs ensures that transposon
activity is inhibited but only if these RNAs are ... them into the host cells they infect. Therefore, transposon
activity must also be repressed in somatic cells. ...
CSHL scientists discover how 'companion' cells to sperm protect them from genetic damage
... sperm cells. There, they inactivate or "silence" transposon
DNA via a phenomenon known as RNA interference. ... just enforce epigenetic reprogramming and transposon
silencing in the next generation."
Other ... of companion cells results in the control of transposon
activity in the sperm.
Plants display 'molecular amnesia'
... the maize plant "remembers," and keeps the transposon
"silenced" generation after generation, even ... although the trigger works fine, and the transposon
is silenced, once the trigger is lost, the transposon
reawakens," said Jaswinder Singh, a professor in ...
Methods for gene transfer in stem cells featured in Cold Spring Harbor Protocols
... safety concerns associated with viral vectors. Use of the "Sleeping Beauty transposon
System for Stable Gene Expression in Mouse Embryonic Stem Cells" from ... transfection is a two-component system consisting of a transposase and a transposon
containing inverted repeat/direct repeat sequences that result in precise ...
CSHL scientists discover a new way in which epigenetic information is inherited
... is absent in lab strains.
In hybrid dysgenesis, the transmission of the transposon
by a parent induces sterility in the offspring unless the offspring also inherits a factor that suppresses the transposon
and maintains fertility. Since the phenomenon had only been seen when the ...
'Jumping genes' could make for safer gene delivery system
... minimize the insertional mutagenesis risk."
Techniques for targeting transposon
vectors to regions of the genome devoid of cancer genes are being refined. ... both technical and safety issues to be worked out in the development of transposon
vectors before they could be tried in human therapy. But the use of such ...
Singapore scientists elected into National Academy of Sciences
... a mutagenic transposon, a sequence of DNA that can move around to different positions within the genome of a single cell. In moving around, a transposon
can cause mutations and change the amount of DNA in the genome.
In addition, Drs. Copeland and Jenkins' group plans to use another whimsically ...
Moving gene therapy forward with mobile DNA
... without success. We are glad that we could now overcome this hurdle' claims Thierry VandenDriessche. Zsuzsanna Izsvak and Zoltan Ivics concur: 'This transposon
technology may greatly simplify the way gene therapy is conducted, improve its overall safety and reduce the costs'.
The VIB researchers are ...
CSHL researchers map changing epigenetic modifications that enable transposons to run amok
... immortalized cells -- cells that are coaxed to grow endlessly in culture dishes -- the epigenetic changes resulting in a loss of heterochromatin and transposon
"re-activation" are not due to a loss of the proteins that regulate heterochromatin. Instead, they find that the epigenetic modifications are due to ...
Consortium develops new method to manipulate genetic material
... for inactivation or repair.
The potential for discovery is great, said Dan Voytas, Ph.D., director of the Arnold and Mabel Beckman Center for transposon
Research, and co-investigator on the research. In human therapeutics, researchers may aim to correct genetic disorders or diseases, and in plants, ...
Transposon in Biological Technology
RNA Interference and Gene Silencing: History and Overview
... and animals and has roles in viral defense and transposon
mechanisms. Perhaps most ... also demonstrate increased levels of
activity. Thus, silencing of transposons appears ... RH. (1999). Mut-7 of C. elegans , required for transposon
silencing and RNA interference, is a ...
WHOLE GENOME SEQUENCING
... well below 1 in 10,000 nucleotides
in the assembled contigs. Our finishing strategies can include custom
primer walking or transposon
insertion methodologies. We use both commercial
and proprietary bioinformatics software packages for finishing and assembly
FULL LENGTH INSERT SEQUENCING
rates well below 1 in 10,000 nucleotides in the assembled contigs. Our finishing
strategies can include custom primer walking, transposon
direct PCR sequencing. We use both commercial and proprietary software for
semi-automated finishing and assembly ...
Transposon in Biological Products
Transposon in Biological Definition
... . Hence a tumour cell line might show a different genetic fingerprint from that of the host tissue.
See also: minisatellite , mobile element , transposon
, short interspersed repetitive element , long interspersed repetitive element , junk DNA , selfish DNA
Transposon in Biological Dictionary
... global mapping approach for identifying transposon
locations in any genome, ... We also apply this method to mapping bacterial transposon
... ... describe a global mapping approach for identifying transposon
locations in any ... apply this method to ...
... A DNA composite transposon
. Transposons are sequences of DNA that can move around to ... The most common form of transposon
in humans is the Alu sequence. ... After the transposon
is ligated to the host DNA, the gaps are ...
... is an enzyme that binds to the ends of a transposon
and catalyzes the movement of the transposon
to another part of the genome by a cut and ... key enzyme in forming transposomes for random transposon
insertions. ... of cut out fragments with ...
... genomic DNA sequences that lie adjacent to transposon
insertions by ... of techniques called " inverse ... Biomedical Sciences. 6 Inverse PCR for transposon
location identification. 7 Inverse PCR for sequencing transposon
location. 8 Sequence analysis. 9 References ... ...
... A composite transposon
is similar in function to simple transposons ... recognized by transposase enzymes. A composite transposon
, however, is flanked by two separate IS ... replicas. Instead ... A DNA composite transposon
. ... the retrovirus bears a marked ...
... .org/tools ... http://affymetrix. arabidopsis .info/narrays ... transposon
diversity in Arabidopsis thaliana [My Copy] ... posted to transposon
arabidopsis by orzenil on 2009-07-28 15:01:20 as along with ... The ...
... Reviews, Perspectives and Highlights on this topic. until the discovery of RNA interference provided a most unexpected ... RNA ... transposon
silencing and RNA interference , is a homolog of ... RNA INTERFERENCE ... The discovery of RNA interference ... Potent and specific ...
... LINES (Long interspersed elements) SINES (Short interspersed elements) ... Retrotransposons and the C-value paradox ... retrotransposon n. A transposon
copied from RNA with the use of reverse ... Retrotransposons (also called transposons via RNA intermediates) are genetic ... Retrotransposons ...
... A P element is a transposon
that is present in the fruit fly Drosophila melanogaster and is used widely for mutagenesis and the creation of genetically modified flies used ...
... from multi - locus probes, these probes ... March 2001: "Climate Variability and Valley Fever. ... Fungus, Coccidioides immitis, using the Tcim1 transposon
as a Multi - Locus Probe . ... including single- locus probe and multi - locus probe RFLP methods and more ... Analysis of multi - ...