Tag: "clones" at biology news
Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs
...ve low genetic variation. It's like having lots of clones
of yourself." If animals within a population are similar to each other immunologically, Sanjayan adds, "That doesn't bode well for disease resistance. If a new disease arises, either they'll all be resistant or they'll all be wiped out. You may not g...
First Salmonella Vaccine For Poultry To Be On The Market Soon
...t Kenneth Roland using some recombinant salmonella clones
from the Curtiss laboratory. This vaccine presents a one-two combination that immunizes chickens against both salmonella and E. coli, certain strains of which cause respiratory disease in poultry. The virulent strains are called avian pathogenic E....
UMass Researchers Announce Birth Of Genetically Modified Cloned Calves
...f somatic cells that are candidates to become the clones
genetic donor. This process is more labor-intensive than it sounds: only one in a million cells have the gene alteration that the scientists hope to produce. These select cells are then grown in a petri dish and fused to cow eggs in which the origina...
Human Cloning: Grappling With Reality Penn Bioethicist To Explore The Facts Behind The Hysteria
...n to proposals about thecreation of headless human clones
for organ parts and Chicago physicist Dr.Richard S...ing to Dr. Caplan the major reasons for not making clones
havenothing to do with technology that may ?run amok;' rather, the moral issuesraised by cloning per...
Age Of Bacterial Meningitis Patients And Subtypes Of Disease Have Changed
Substantially Within Past Decade
...may indicate that a limitednumber of new, virulent clones
of meningitidis are introduced and spread slowlyin certain segments of the population. Detecting these changes may improveunderstanding of meningococcal outbreaks and the ability to prevent them. ### ...
Who Needs Flowers? Transgenic Plants Sprout Embryos On Leaves
... could produce "artificial seeds" thatwould all be clones
of the hybrid parent and perpetuate itsstrengths, said Harada and another author of the study,biologist Bob Goldberg of UCLA. "If the LEC1 gene paves the way to the development of seedswithout fertilization, it would have enormous potential,"Goldberg...
Destructive Algae Overtaking Mediterranean Waters
...on that all C. taxifolia in the Mediterranean are clones
of a single aquarium plant. Science News reports that there are efforts underway to harness a natural predator, a mollusk, to control the voracious algae since other strategies have proved to be too expensive or toxic to try on a large scale. Me...
First Reproducible Cloning Of Mammals From Adult Cells Reported In Nature
...om previoustechniques.Earlier procedures generated clones
either by injection or fusion of embryonicor fetal...ce from adult cells and in repeating it to produce clones
ofclones -- essentially identical mice born a generation or more apart,"said Dr. Wakayama,...
Sick Kids Improves Access To Global Genome Database
...e site includesinformation on human genes, probes, clones
and allele frequencies. The annual cost of operating the GDB site at HSC will be approximately $100,000,and is included in the operation of HSC's bioinformatics program, which wasestablished last year. The science of bioinformatics applies informatio...
A New Encyclopedia Of Mouse Genes
...hFoundation created the libraries of messenger RNA clones
that were used forsequencing, and a team of scientists from the Lawrence Livermore NationalLaboratory in California distributed them. Many scientists have not waited for a formal announcement to begin using thedata, some of which has been available s...
University of Hawaii scientists announce first male clone
... sheep, Cumulina and the scores of subsequent mice clones
producedat the University of Hawaii at Manoa are f...ucing two healthy litters. "When we produced mouse clones
last year, people asked if it could be done withmales. We knew that females, males made no differenc...
Protecting the rice bowl: Chromosomal mapping of the rice blast fungus
...and fingerprinting, to precisely order hundreds of clones
spanningM. grisea chromosome 7. The striking success of their approach paves the wayfor mapping, and eventually sequencing, the entire M. grisea genome. Furthermore, by facilitating the cloning of new genes, the map immediatelyboosts efforts to dete...
Cattails and contamination: marshy stalks hold DNA clues on pollution
...ermitthe identification of different intermingling clones
within plots, the amount ofvariation was the lowest yet found for natural plant stands using DNAfingerprinting. Second, Rogstad notes that "several previous studies with animals found thatgenetic diversity is often reduced with increasing levels of c...
Harbor Branch to receive $2.1 million of a $4.9 million multi-institutional grant to discover new natural product leads for cancer chemotherapy
...team at the University of Minnesota. The resulting clones
will be grown in the DBMR microbiology lab and tested for anticancer properties at Novartis Inc.'s lab in Summit, NJ. Dr. Wright and her team will be responsible for the isolation and characterization of the new chemical compounds. Other sources of D...
Scientists develop most efficient mouse cloning strategy to date, create transgenic clone
...highest efficiency to date. Their study comparing clones
generated by two different donor strains suggests ... the genetic tools needed to understand why so few clones
survive to term and grow into healthy adults. "Our technology will help scientists tackle one of ...
Drosophila genome sequence completed
...ing the Drosophila DNA into three million random clones
with overlapping ends. These clones
are then sequenced by automated DNA sequencing machinesat Celera, some 300 sequencers, each costing ...
Fruit fly's genome sequence finished in record time: Physical maps are the key to accuracy
..., and thus of any genes they represent. The 17,000 clones
used by the Berkeley Lab BDGP group are actualstre...ching these sites amongoverlapping clones, sets of clones
of different lengths can belined up with one another and eventually "tiled" along the entirelength o...
AVAX Technologies' M-Vax cancer vaccine induces T cell mediated immune reactions in patients with metastatic melanoma
...at these were not ordinary T cells, but particular clones
or families of T cells, which had been elicited by the vaccine." Dr. Berd added, "To our knowledge, this has not been demonstrated by any other human cancer vaccine." Jeffrey M. Jonas, M.D., President and CEO of AVAX Technologies, stated, "These d...
Cloning reverses aging in cow cells, Scienceauthors say
... Washington D.C.-- Cells from six healthy cow clones
show no signs of the premature aging reported for ...sters are the picture of youth. Telomeres from the clones
are actually longer than those from normal cows of the same age, and in most cases even longer than ...
Scientists discover key ingredient in sexual reproduction
...ins, because only a small percentage of laboratory clones
develop into viable fetuses. Adding nitric oxide to a fertilized mammal egg 'might end up improving the efficiency of cloning,' he notes. Nitric oxide also may turn out to be a necessary ingredient in successful human reproduction. 'There are lot...
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