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“There must be some DNA or protein sequences that are not compatible with life and have therefore been selected out”
Whether these sequences have any biological significance in living organisms is not yet known - the next step is to test 20 of the peptoprimes in bacteria and human cells to see whether they have any effect such as causing death or provoking an immune reaction.
Hampikian believes the applications of his work could be wide-ranging. He has already received a $1 million grant from the US Department of Defense to develop a DNA "safety tag" that could be added to voluntary DNA reference samples in criminal cases to distinguish them from forensic samples. Such tags would not necessarily have to consist of lethal sequences, but could be based on primes that would be easy to detect using a simple kit.
Comparative Bioinformatics and "DNA Safeguard"
We have designed an algorithm which identifies small sequences common to, or excluded from, selected genomes. The study of these sequences is being used to identify potential therapeutic and bioterror targets. We have coined the terms “nullomers” (sequences absent from a selected species or groups of species), and “primes” (sequences absent from all GenBank data). We refresh the GenBank mirror on our BSU Beowulf cluster each day, and have developed a web tool to allow other researchers to search for nullomers and primes. These sequences are being used to develop artificial sequence tags to safeguard DNA samples.
2007 publication and web links
Personnel: Greg Hampikian, Tim Andersen, Ken Cornel, James Smith and Amit Jain; Ben Noland, (BS student in Computer Science)
Funded by DOD, $1,000,000, Greg Hampikian PI, (2006-2009).
US Patent Applied for December 23, 2004: DNA Safeguard, #2876599877, a DNA marker to be added to voluntary samples as a safeguard against planting, or accidental switching of reference and evidence samples. The oligomers are based on sequences not found in GenBank, and can be coded to contain a wide variety of information. Patent includes 60 DNA sequences.
Could there be forbidden sequences in the genome - ones so harmful that they are not compatible with life? One group of researchers thinks so. Unlike most genome sequencing projects which set out to search for genes that are conserved within and between species, their goal is to identify "primes": DNA sequences and chains of amino acids so dangerous to life that they do not exist.
"It's like looking for a needle that's not actually in the haystack," says Greg Hampikian, professor of genetics at Boise State University in Idaho, who is leading the project. "There must be some DNA or protein sequences that are not compatible with life, perhaps because they bind some essential cellular component, for example, and have therefore been selected out of circulation. There may also be some that are lethal in some species, but not others. We're looking for those sequences."
Hampikian ...has already received a $1 million grant from the US Department of Defense to develop a DNA "safety tag" that could be added to voluntary DNA reference samples in criminal cases to distinguish them from forensic samples. Such tags would not necessarily have to consist of lethal sequences, but could be based on primes that would be easy to detect using a simple kit.
Originally posted by MischeviousElf
...the extra tagged on sequences would then target and kill only selected racial profiles...
And how would you feel if somebody decided that you were one of the human specimens to be exterminated so as to insure superior breeding? What would you do if you had to go to a hospital after a motor vehicle accident and they refused to treat you because of your race/political persuasion/hair colour/eye colour/whatever as you are not on the "approved human beings" list but are on the "undesirables" list? Hmm? How about thinking a little before you start spewing such rubbish!
Originally posted by Tea
I am a huge fan of eugenics. I think the planet would be better off if man had stressed quality instead of quantity.
Originally posted by LovingSoulAnd how would you feel if somebody decided that you were one of the human specimens to be exterminated so as to insure superior breeding? What would you do if you had to go to a hospital after a motor vehicle accident and they refused to treat you because of your race/political persuasion/hair colour/eye colour/whatever as you are not on the "approved human beings" list but are on the "undesirables" list? Hmm? How about thinking a little before you start spewing such rubbish!
Originally posted by Tea
I am a huge fan of eugenics. I think the planet would be better off if man had stressed quality instead of quantity. Who knows how brilliant we could have been if we had truly strived for the best in everything. Who knows what diseases we could have conquered by now. Who knows how extraordinary our physiology might have turned out.
We won't know and that's a bloody shame and a tremendous waste of potential.
Eugenics is a good idea. Unfortunately, the execution of it has been poor. We breed our animals for superior traits. Why the hell aren't we doing the same with ourselves?
We have pretty low expectations of ourselves if we will breed for the best cattle and dogs, but not do the same for the top predator on the planet.
Originally posted by guyopitz
People with unwanted genetic conditions could be denied this permit to breed.
Certain diseases are the result of genetic adaptations against other diseases; the best example being sickle-cell anemia, a double dose of a trait which in single-dose confers immunity against malaria.
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Genetics, Inheritance & Variation
Another example of codominance is sickle cell haemoglobin in humans. The gene for haemoglobin Hb has two codominant alleles: HbA (the normal gene) and HbS (the mutated gene). There are three phenotypes:
HbAHbA - Normal. All haemoglobin is normal, with normal red blood cells.
HbAHbS - Sickle cell trait. 50% of the haemoglobin in every red blood cell is normal, and 50% is abnormal. The red blood cells are slightly distorted, but can carry oxygen, so this condition is viable. However these red blood cells cannot support the malaria parasite, so this phenotype confers immunity to malaria.
HbSHbS - Sickle cell anaemia. All haemoglobin is abnormal, and molecules stick together to form chains, distorting the red blood cells into sickle shapes. These sickle red blood cells are destroyed by the spleen, so this phenotype is fatal.
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Infection with H9N2 influenza viruses confers immunity against lethal H5N1 infection O'Neill E, Seo SH, Woodland DL, Shortridge KF, Webster RG. Options for the Control of Influenza IV, Osterhaus et al. eds., International Congress Series 1219, 775-781, 2001
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From Maps to Medicine: The Impact of the Genome Project by Dr. Beverly S. Emanuel, Director of Human Genetics Center; Charles E. H. Upham Chair in Pediatrics
The easiest genetic diseases to understand are those caused by a single gene that has gone awry. Single gene diseases include relatively rare disorders such as cystic fibrosis, phenylketonuria, hemophilia, sickle cell anemia and Huntington's disease. In a sense, the genes for these diseases act like a single time bomb ticking away inside the DNA double helix.
Much more common, and far more complicated, are the diseases caused by malformations in several or many genes that influence each other in complex ways that are poorly understood. Hypertension, diabetes, rheumatoid arthritis, multiple sclerosis, schizophrenia, Alzheimer's, coronary artery disease and numerous other diseases that afflict our species are caused by the interactions of multiple different genes. Each individual gene has a relatively modest effect, but together they determine whether someone is going to develop a disease or not. Multiple gene diseases or what we call polygenic diseases are far harder to understand than those which are caused by single genes.
Complicating matters even further, most genetic diseases result from an interplay between an inherited predisposition and factors in a person's external environment and lifestyle. It's not just the individual cards that you have been dealt, but it also depends upon how you play the hand. It's important to keep this in mind to avoid the dangers that can potentially arise from biological determinism--thinking that everything about an individual is predetermined by the DNA code written in his or her genes.
The Sixth Extinction
So what is the Sixth Extinction? When is it coming? And what is its cause? "It's the next annihilation of vast numbers of species. It is happening now, and we, the human race, are its cause," explains Dr. Richard Leakey, the world's most famous paleoanthropologist. Every year, between 17,000 and 100,000 species vanish from our planet, he says. "For the sake of argument, let's assume the number is 50,000 a year. Whatever way you look at it, we're destroying the Earth at a rate comparable with the impact of a giant asteroid slamming into the planet, or even a shower of vast heavenly bodies." The statistics he has assembled are staggering. Fifty per cent of the Earth's species will have vanished inside the next 100 years; mankind is using almost half the energy available to sustain life on the planet, and this figure will only grow as our population leaps from 5.7 billion to ten billion inside the next half-century. Such a dramatic and overwhelming mass extinction threatens the entire complex fabric of life on Earth, including the species responsible for it: Homo sapiens.
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MASS EXTINCTION UNDERWAY: The World Wide Web's Most Comprehensive Source of Information on the Current Mass Extinction
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New Frontiers: Evolution and the Future The Sixth Extinction by Niles Eldredge
That may be the real reason a genetic marker is being sought-to get rid of the "proliferating herd of barbarians".
Originally posted by a1ex
That may be the real reason a genetic marker is being sought-to get rid of the "proliferating herd of barbarians".
Meaning evolution will get rid of men eventually? ... see the komodo dragon news
Virgin Komodo Dragon to Become a Mom
Flora, a Komodo dragon who has spent her entire life in captivity and has never encountered a male of her species has managed to fertilize her own eggs. Results of genetic testing showed that although the Komodo dragon embryos are not exact Flora clones, their DNA could not have come from any other dragon.