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Creationism/Evolution
See other Creationism/Evolution Articles

Title: Scientists Talk Privately About Creating a Synthetic Human Genome
Source: NY Times
URL Source: http://www.nytimes.com/2016/05/14/s ... ent=1&pgtype=sectionfront&_r=1
Published: May 14, 2016
Author: ANDREW POLLACK
Post Date: 2016-05-14 08:58:39 by Willie Green
Keywords: None
Views: 1520
Comments: 7

Scientists are now contemplating the fabrication of a human genome, meaning they would use chemicals to manufacture all the DNA contained in human chromosomes.

The prospect is spurring both intrigue and concern in the life sciences community because it might be possible, such as through cloning, to use a synthetic genome to create human beings without biological parents.

While the project is still in the idea phase, and also involves efforts to improve DNA synthesis in general, it was discussed at a closed-door meeting on Tuesday at Harvard Medical School in Boston. The nearly 150 attendees were told not to contact the news media or to post on Twitter during the meeting.

Organizers said the project could have a big scientific payoff and would be a follow-up to the original Human Genome Project, which was aimed at reading the sequence of the three billion chemical letters in the DNA blueprint of human life. The new project, by contrast, would involve not reading, but rather writing the human genome — synthesizing all three billion units from chemicals.

But such an attempt would raise numerous ethical issues. Could scientists create humans with certain kinds of traits, perhaps people born and bred to be soldiers? Or might it be possible to make copies of specific people?

“Would it be O.K., for example, to sequence and then synthesize Einstein’s genome?” Drew Endy, a bioengineer at Stanford, and Laurie Zoloth, a bioethicist at Northwestern University, wrote in an essay criticizing the proposed project. “If so how many Einstein genomes should be made and installed in cells, and who would get to make them?”

Dr. Endy, though invited, said he deliberately did not attend the meeting at Harvard because it was not being opened to enough people and was not giving enough thought to the ethical implications of the work.

George Church, a professor of genetics at Harvard Medical School and an organizer of the proposed project, said there had been a misunderstanding. The project was not aimed at creating people, just cells, and would not be restricted to human genomes, he said. Rather it would aim to improve the ability to synthesize DNA in general, which could be applied to various animals, plants and microbes.

“They’re painting a picture which I don’t think represents the project,” Dr. Church said in an interview.

He said the meeting was closed to the news media, and people were asked not to tweet because the project organizers, in an attempt to be transparent, had submitted a paper to a scientific journal. They were therefore not supposed to discuss the idea publicly before publication. He and other organizers said ethical aspects have been amply discussed since the beginning.

The project was initially called HGP2: The Human Genome Synthesis Project, with HGP referring to the Human Genome Project. An invitation to the meeting at Harvard said that the primary goal “would be to synthesize a complete human genome in a cell line within a period of 10 years.”

But by the time the meeting was held, the name had been changed to “HGP-Write: Testing Large Synthetic Genomes in Cells.”

The project does not yet have funding, Dr. Church said, though various companies and foundations would be invited to contribute, and some have indicated interest. The federal government will also be asked. A spokeswoman for the National Institutes of Health declined to comment, saying the project was in too early a stage.

Besides Dr. Church, the organizers include Jef Boeke, director of the institute for systems genetics at NYU Langone Medical Center, and Andrew Hessel, a self-described futurist who works at the Bay Area software company Autodesk and who first proposed such a project in 2012.

Scientists and companies can now change the DNA in cells, for example, by adding foreign genes or changing the letters in the existing genes. This technique is routinely used to make drugs, such as insulin for diabetes, inside genetically modified cells, as well as to make genetically modified crops. And scientists are now debating the ethics of new technology that might allow genetic changes to be made in embryos.

But synthesizing a gene, or an entire genome, would provide the opportunity to make even more extensive changes in DNA.

For instance, companies are now using organisms like yeast to make complex chemicals, like flavorings and fragrances. That requires adding not just one gene to the yeast, like to make insulin, but numerous genes in order to create an entire chemical production process within the cell. With that much tinkering needed, it can be easier to synthesize the DNA from scratch.

Right now, synthesizing DNA is difficult and error-prone. Existing techniques can reliably make strands that are only about 200 base pairs long, with the base pairs being the chemical units in DNA. A single gene can be hundreds or thousands of base pairs long. To synthesize one of those, multiple 200-unit segments have to be spliced together.

But the cost and capabilities are rapidly improving. Dr. Endy of Stanford, who is a co-founder of a DNA synthesis company called Gen9, said the cost of synthesizing genes has plummeted from $4 per base pair in 2003 to 3 cents now. But even at that rate, the cost for three billion letters would be $90 million. He said if costs continued to decline at the same pace, that figure could reach $100,000 in 20 years.

J. Craig Venter, the genetic scientist, synthesized a bacterial genome consisting of about a million base pairs. The synthetic genome was inserted into a cell and took control of that cell. While his first synthetic genome was mainly a copy of an existing genome, Dr. Venter and colleagues this year synthesized a more original bacterial genome, about 500,000 base pairs long.

Dr. Boeke is leading an international consortium that is synthesizing the genome of yeast, which consists of about 12 million base pairs. The scientists are making changes, such as deleting stretches of DNA that do not have any function, in an attempt to make a more streamlined and stable genome.

But the human genome is more than 200 times as large as that of yeast and it is not clear if such a synthesis would be feasible.


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#1. To: Willie Green (#0)

So science now actually accepts that intelligent design rather than evolution is how life develops?

It remains to be seen how skillful they will be at playing God.

Obama has played at being a president while enjoying the perks … golf, insanely expensive vacations at tax-payer expense. He has ignored the responsibilities of the job; no plans, no budgets, no alternatives … just finger pointing; making him a complete failure as a president

no gnu taxes  posted on  2016-05-14   11:12:40 ET  Reply   Trace   Private Reply  


#2. To: Willie Green (#0)

The prospect is spurring both intrigue and concern in the life sciences community because it might be possible, such as through cloning, to use a synthetic genome to create human beings without biological parents.

In a nation with a 40% out of wedlock birth rate rate, they don't have parents anyway, so the study was previosly anticipated and is already obsolete.

rlk  posted on  2016-05-14   16:02:15 ET  Reply   Trace   Private Reply  


#3. To: rlk (#2)

The prospect is spurring both intrigue and concern in the life sciences community because it might be possible....

....to "CURE" cancer. Why are they wasting time on this crap when we have people dying of diseases every day.

U don't know me  posted on  2016-05-14   21:44:55 ET  Reply   Trace   Private Reply  


#4. To: no gnu taxes (#1)

So science now actually accepts that intelligent design rather than evolution is how life develops?

My God, have you been living in a cave? This has been so for decades and has been advanced to support the reality that Intelligent Design is a scientific fact and has been for quite some time. It does so not do anything with respect to proving that God created life on the planet, it just proves that ID is a possible cause of creation of life on the planet.

потому что Бог хочет это тот путь

SOSO  posted on  2016-05-14   22:16:13 ET  Reply   Trace   Private Reply  


#5. To: SOSO (#4)

My God, have you been living in a cave? This has been so for decades and has been advanced to support the reality that Intelligent Design is a scientific fact

Okay.

I'm trying to determine if you are being sarcastic or not.

Mainstream science has called ID as being creationism "dressed up in a cheap suit."

Evolutionists are always quick to tell you that their beliefs have nothing to do with the "creation" of life, just how life evolved.

that is of course because their is no viable "scientific" explanation for the creation of life.

Obama has played at being a president while enjoying the perks … golf, insanely expensive vacations at tax-payer expense. He has ignored the responsibilities of the job; no plans, no budgets, no alternatives … just finger pointing; making him a complete failure as a president

no gnu taxes  posted on  2016-05-14   22:32:33 ET  Reply   Trace   Private Reply  


#6. To: no gnu taxes, ALL (#5)

This most beautiful system of the sun, planets and comets, could only proceed from the counsel and dominion of an intelligent and powerful Being.

Sir Isaac Newton

God maintains a delicate balance between keeping his existence sufficiently evident so people will know he's there and yet hiding his presence enough so that people who want to choose to ignore him can do it. This way, their choice of destiny is really free. - J.P. Morelad

GarySpFC  posted on  2016-05-15   7:17:27 ET  Reply   Trace   Private Reply  


#7. To: no gnu taxes (#5)

Mainstream science has called ID as being creationism "dressed up in a cheap suit."

No, that is what secular progressives blather forth. They are wrong. They probably never read Chariots of the Gods either.

"Evolutionists are always quick to tell you that their beliefs have nothing to do with the "creation" of life, just how life evolved."

And pure evolutionists are correct in pointing that out. Somewhere along the secular progressiveness tagged evolution with creationism and confused the Great Unwashed Masses. So if someone tells you that ID is creationism "dressed up in a cheap suit" you can immediately shred them about their mindless knee jerk ignorant ideological dribble.

OTOH as man perfects ID and exploits it to his advantage, when it becomes common place to "create" new life forms and/or species, I wonder what the mainstream will call ID then. Will they make man God?

потому что Бог хочет это тот путь

SOSO  posted on  2016-05-15   23:03:57 ET  Reply   Trace   Private Reply  


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