Category Archives: Transhuman News

Humankind is on the verge of a genetic revolution that holds great promise and potential. It will change the ways food is grown, medicine is produced, animals are altered and will give rise to new ways of producing plastics, biofuels and chemicals.

Many object to the genetic revolution, insisting we should not be playing God by tinkering with the building blocks of life; we should leave the genie in the bottle. This is the view held by many opponents of GMO foods. But few transformative scientific advances are widely embraced at first. Once a discovery has been made and its impact widely felt it is impossible to stop despite the pleas of doubters and critics concerned about potential unintended consequences. Otherwise, science would not have experienced great leaps throughout historyand we would still be living a primitive existence.

[Editors note: This is the first in a four-part series examining genetic engineerings impact on our lives. The second installment examines regulatory obstacles blunting the potential of genetically engineered animals;the third looks at the role of gene editing in medicine; and the final segment looks at synthetic biology and other novel applications.]

Gene editing of humans and plantsa revolutionary technique developed just a few years ago that makes genetic tinkering dramatically easier, safer and less expensivehas begun to accelerate this revolution. University of California-Berkeley biochemistJennifer Doudna, one of the co-inventors of the CRISPR technique:

Within the next few years, this new biotechnology will give us higher-yielding crops, healthier livestock, and more nutritious foods. Within a few decades, we might well have genetically engineered pigs that can serve as human organ donorswe are on the cusp of a new era in the history of life on earthan age in which humans exercise an unprecedented level of control over the genetic composition of the species that co-inhabit our planet. It wont be long before CRISPR allows us to bend nature to our will in the way that humans have dreamed of since prehistory.

The four articles in this series will examine the dramatic changes that gene editing and other forms of genetic engineering will usher in.

Despite the best efforts of opponents, GE crops have become so embedded and pervasive in the food systemseven in Europe which has bans in place on growing GMOs in most countriesthat it is impossible to dislodge them without doing serious damage to the agricultural sector and boosting food costs for consumers.

Even countries which ban the growing of GMOs or who have such strict labeling laws that few foods with GE ingredients are sold in supermarkets are huge consumers of GE products.

Europe is one of the largest importers of GMO feed in the world. Most of the meat we consume from cattle, sheep, goats, chickens, turkeys, pigs and fish farms are fed genetically modified corn, soybeans and alfalfa.

And the overwhelming majority of cheeses are made with an enzyme produced by GM microbes and some beers and wines are made with genetically engineered yeast.

North America, much of South America and Australia are major consumers of foods grown from GE seeds. Much of the corn oil, cotton seed oil, soybean oil and canola oil used for frying and cooking, and in salad dressings and mayonnaise is genetically modified. GM soybeans are used to make tofu, miso, soybean meal, soy ice cream, soy flour and soy milk. GM corn is processed into corn starch and corn syrup and is used to make whiskey. Much of our sugar is derived from GM sugar beets and GE sugarcane is on the horizon. Over 90 percent of the papaya grown in Hawaii has been genetically modified to make it resistant to the ringspot virus. Some of the squash eaten in the US is made from GM disease-resistant seeds and developing countries are field testing GM disease-resistant cassava.

Many critics of GE in agriculture focus on the fact that by volume most crops are used in commodity food manufacturing, specifically corn and soybeans. One reason for that is the high cost of getting new traits approved. Indeed, research continues on commodity crops, although many of the scientists work for academia and independent research institutes.

For example, in November 2016, researchers in the UK were granted the authority to begin trials of a genetically engineered wheat that has the potential to increase yields by 40 percent. The wheat, altered to produce a higher level of an enzyme critical for turning sunlight and carbon dioxide into plant fuel, was developed in part by Christine Raines, the Head of the School of Biological Sciences at the University of Essex.

A new generation of foods are now on the horizon, some as the result of new breeding techniques (NBTs), such as gene editing. Many of these foods will be nutritionally fortified, which will be critical to boosting the health of many of the poorest people in developing nations and increase yields.

Golden rice is a prime example of such a nutrition-enhanced crop. It is genetically engineered to have high levels of beta carotene, a precursor of Vitamin A. This is particularly important as many people in developing countries suffer from Vitamin A deficiency which leads to blindness and even death. Bangladesh is expected to begin cultivation of golden rice in 2018. The Philippines may also be close to growing it.

A strain of golden rice that includes not only high levels of beta carotene but also high levels of zinc and iron could be commercialized within 5 years. Our results demonstrate that it is possible to combine several essential micronutrients iron, zinc and beta carotene in a single rice plant for healthy nutrition, said Navreet Bhullar, senior scientist at ETH Zurich, which developed the rice.

The Science in the News group at Harvard University discussed some of the next generation foods.

Looking beyond Golden Rice, there are a large number of biofortified staple crops in development. Many of these crops are designed to supply other micronutrients, notably vitamin E in corn, canola and soybeansProtein content is also a key focus; protein-energy malnutrition affects 25% of children because many staple crops have low levels ofessential amino acids. Essential amino acids are building blocks of proteins and must be taken in through the diet or supplements. So far, corn, canola, and soybeans have been engineered to contain higher amounts of the essential amino acid lysine. Crops like corn, potatoes and sugar beets have also been modified to contain more dietary fiber, a component with multiple positive health benefits.

Other vitamin-enhanced crops have been developed though they have yet to be commercialized. Australian scientists created a GE Vitamin A enriched banana, scientists in Kenya developed GE Vitamin A enhanced sorghum and plant scientists in Switzerland developed a GE Vitamin B6 enhanced cassava plant.

Scientists genetically engineered canola, a type of rapeseed, to produce additional omega-3 fatty acids. Research is being conducted on developing GM gluten free wheat and vegetables with higher levels of Vitamin E to fight heart disease.

Other more consumer-focused genetically-engineered crops that do not use transgenics, and have sailed through the approval system include:

Other products are in development that fight viruses and disease. Scientists have used genetic engineering to develop disease-resistant rice. A new plum variety resists the plum pox virus. It has not yet been commercialized. GE solutions may be the only answer to save the orange industry from citrus greening, which is devastating orange groves in Florida. GE might be utilized to curb the damage caused by stem rust fungus in wheat and diseases effecting the coffee crop.

In Africa, GE solutions could be used to combat the ravages of banana wilt and cassava brown streak disease and diseases that impact cocoa trees and potatoes. A GE bean has been developed in Brazil that is resistant to the golden mosaic virus. Researchers at the University of Florida, the University of California-Berkeley and the 2Blades Foundation have developed a disease resistant GM tomato.

Scientists at the John Innes Center in the UK are attempting to create a strain of barley capable of making its own ammonium fertilizer from nitrogen in the soil. This would be particularly beneficial to farmers who grow crops in poor soil conditions or who lack the financial resources to buy synthetic fertilizers.

Peggy Ozias-Akins, a horticulture expert at the University of Georgia has developed and tested genetically-engineered peanuts that do not produce two proteins linked to intense allergens.

New gene editing techniques (NBTs) such as CRISPR offer great potential and face lower approval hurdles, at least for now.

In June 2017, the EPA approved a new first of its kind GE corn known as SmartStaxPro, in which the plants genes are tweaked without transgenics to produce a natural toxin designed to kill western corn rootworm larvae. It also produces a piece of RNA that shuts down a specific gene in the larvae, thereby killing them. The new GE corn is expected to be commercialized by the end of the decade.

What could slowor even stopthis revolution? In an opinion piece for Nature Biology, Richard B. Flavell, a British molecular biologist and former director of the John Innes Center in the UK, which conducts research in plant science, genetics and microbiology, warned about the dangers of vilifying and hindering new GE technologies:

The consequences of simply sustaining the chaotic status quoin which GMOs and other innovative plant products are summarily demonized by activists and the organic lobbyare frightening when one considers mounting challenges to food production, balanced nutrition and poverty alleviation across the world. Those who seek to fuel the GMO versus the non-GMO debate are perpetuating irresolvable difference of opinion. Those who seek to perpetuate the GMO controversy and actively prevent use of new technology to crop breeding are not only on the wrong side of the debate, they are on the wrong side of the evidence. If they continue to uphold beliefs against evidence, they will find themselves on the wrong side of history.

A version of this article previously ran on the GLP on January 24, 2018.

Steven E. Cerier is a freelance international economist and a frequent contributor to the Genetic Literacy Project

Read more:
Genetic engineering, CRISPR and food: What the 'revolution' will bring in the near future - Genetic Literacy Project

Jamie Metzl is an extremely impressive man. Having held senior positions on Clinton's National Security Council and Department of State, and Joe Biden's Senate Foreign Relations Committee, he's also been Executive VP of the Asia Society, a Senior Fellow at the Atlantic Council and a former partner in Cranmere LLC, a global investment company. Today, while he's not running ultra-marathons, he's best known as a geopolitics expert, futurist and author.

Metzl writes in science fiction and scientific non-fiction, and his latest book, Hacking Darwin: Genetic Engineering and the Future of Humanity, delivers a serious, strongly-researched warning on what's likely to happen if we sleepwalk into the genetics age.

We spoke to Metzl at WCIT 2019 in Yerevan, Armenia, where he appeared as a keynote speaker, moderator and panel member.

Vahram Baghdasaryan/WCIT Yerevan 2019

"Right now were at this moment of super-convergence," Metzl tells us. "Its not any one technology thats determinative, its all these technologies happening at the same time, because theyre all influencing each other."

The first of these, Metzl outlines, is cheap sequencing of the human genome. Well need a ton of genetic information to be able to find the patterns needed to move forward, and while the cost of full genome sequencing is currently the limiting factor, it's dropping steeply, from around US$2.7 billion in 2003, to less than US$600 today. That's going to have to come down by another order or two of magnitude before it starts getting used as a matter of routine.

Secondly, 5G connectivity and the Internet of Things promises to teach us enormous amounts of information about people's health over the years, as wearable health analysis devices begin to stream back colossal piles of dynamic data about what's going on in people's bodies. Eventually, this will enable population-wide phenotypical research to be cross-checked against the genome to learn even more about how genes express themselves, individually and in concert with one another.

Thirdly, big data and analytics tools. The 2.9 billion haploid pairs making up each sequenced human genome represent about 725 megabytes of data, and dynamic health records will likely require even more storage space, in formats that can easily be cross-checked against each other at a massive scale.

Metzl notes that artificial intelligence or more precisely, deep learning is the only way we'll ever be able to meaningfully process such monstrous amounts of data, and its capabilities are rocketing forward daily. Perhaps when it's ready for serious commercial use, the speed and power of quantum computing will prove invaluable in quickly crunching through these petabytes of data.

Then of course, there are the wetter technologies: vastly improved IVF technologies that will soon enable us to generate egg and sperm cells from skin cells without needing invasive or embarrassing procedures to be carried out. Eventually, we'll have the capability to cheaply produce dozens, or even hundreds of embryos to sequence, select and implant.

And of course, gene editing tools. CRISPR/Cas9 editing is the most famous example of these, but it's already being compared to "genetic vandalism" due to its imprecise nature. More accurate and precise tools are constantly being discovered and refined to edit the genome of living subjects.

"We have to stitch together all these technologies," says Metzl, "and its already starting to happen. And itll happen increasingly until the end of time."

Vahram Baghdasaryan/WCIT Yerevan 2019

The first step, says Metzl, will be in healthcare. Our interactions with health care professionals will move from the current generalized model, to something more personal and precise as we start to understand what treatments work for people with certain genetic markers. Eventually, we'll have enough information to start engaging in predictive health care.

"You dont need to be perfect to make a huge impact on health care," says Metzl, "you just have to be better than the status quo, where nobody has that information, for it to be applied." It'll inch forward, offering probabilities rather than certainties as more and more is discovered.

Next and soon, we'll start seeing advanced embryo selection as a core part of any IVF treatment. Prospective parents will start having multiple embryos to choose from, each of which will have its genome fully sequenced so they'll be able to choose between offspring with a growing amount of information.

To begin with, this will allow parents to select against crippling genetic diseases, much the same as how parents who can afford the right scans can "select against" things like Down syndrome now.

But as science learns more and more about what individual genes, and combinations of them, do to the final outcome of a human, we'll quickly gain the ability to select for certain traits as well as against others. Will you want your child to be taller? More athletic, with a greater proportion of fast twitch muscle fibers? What about intelligence? Skin color? Eye color? Would you select for a child with a higher probability of living longer? Would you select for a child with a higher degree of extraversion, or a more even temperament?

All these things, and many more, are already known to have genetic underpinnings. And soon, parents will be able to choose between dozens, or potentially hundreds of their own biological embryos with this information at hand. All these possible kids are yours, so why wouldn't you choose the one that appears to have the best possible shot at life? Not doing so, says Metzl, could grow to be seen as a "crime against potential."

The disadvantages of having children the old-fashioned way will soon become apparent, as smarter, stronger, faster, healthier kids born from selection processes begin to dominate across a range of competitive situations, from sport to business to earning capacity and these advantages will multiply with subsequent generations, as more and more science is applied to the reproductive process.

"Embryo selection uses technologies that already exist," says Metzl. "IVF, embryo screening, and genome sequencing. Obviously we need to get better at all these things, but its happening very, very quickly."

And that's just using our naturally-occurring genetics. Soon afterward will follow precision gene editing, in which you select option J from your pre-implanted embryos, but make a few tweaks before you implant it. Here's where things start getting a little sketchy, as you're making edits to the germ line of the human species.

"Editing the genome requires the understanding that one gene might not just do one thing; it might do a lot of things," Metzl tells us. "If its a particularly harmful gene, then we know the alternative is deadly, so that decision will be easier. But when we move into the world of non-deadly single gene mutations, well, then the costs of not having a full understanding go higher."

Metzl says it's clear which direction things will go."We are going to do more and more complex genome editing," he tells us, "either to address risks, or to create enhancements - and there will be no natural boundary between the two. This is all about ethics. The science is advancing, theres nothing we can do to stop the science. The question is ethics."

The dawn of a new age of superhumans could nearly be upon us, in which a lucky, selected, edited few will have extraordinary genetic potentials in a wide range of areas. Sports could become almost meaningless, as it'll be impossible to tell a selected or edited human from a "natural born" one. Humanity will begin steering its own evolution for the first time in history, with some predictable results and some we can't see coming.

Negative results, says Metzl, could include everything from a gaping division between genetic haves and have-nots which could express itself within and between countries all the way up to eliminating all human life altogether. "We may make choices based on something we think is really good, like eliminating a terrible disease," says Metzl, "but then that genetic pattern that enabled that disease, in some other formulation, could be protective against some threat we cant even imagine, thats coming our way a thousand years from now. Thats why we need to be so respectful of our diversity. Genetic diversity, up to this point, has been our sole survival strategy. If we didnt have diversity, you could say wed still be single-celled organisms. We wouldnt, wed probably just have died. When the world changes around us, diversity is what helps us survive."

And then there's the potential of creating genetically engineered weapons. "Researchers in Canada spent $100,000 a couple of years ago," says Metzl, "to create essentially a weaponized version of horse pox in the lab, to show what could be done. Well, that could probably now be done for $20,000. In five years, you might be talking $2,000. These tools are agnostic. They dont come with their own value system. Just like nuclear power. We had to work out what are the OK uses, what are the not OK uses, and how do we structure things to we minimize the downsides."

Metzl wants people across the world to be informed about the technologies and capabilities that are barreling down the pipeline toward us, so meaningful efforts can be made to steer them in a direction that everyone can agree on, and set up clear redlines past which we agree not to venture. Each country, he says, needs to set up a national regulatory infrastructure to control the pace of these changes, and there also needs to be an international body with some teeth to make sure certain nations don't leap ahead and change the nature of humanity just due to lax regulations.

"This is always going to be changing," says Metzl. "The science is changing, the societal norms about what is and isnt OK are going to be changing too, and we need a dynamic process that can at least try to do a better job of keeping up with that rapid change."

Where does Metzl stand personally on how this next phase should be approached? "I'm a conservative person about this," he says. "I mean, four billion years of evolution is a lot. Life has made a lot of trade-offs. So if youre going against four billion years of evolution, you have to be humble. We know so little about the body. We cant let our hubris run away with us."

If you want to get informed on this incredibly complex, multilayered and potentially explosive technological revolution, Metzl's book Hacking Darwin: Genetic Engineering and the Future of Humanity (April 2019) is an outstanding summary with more examples and possible future situations laid out than you could possibly need, written in an engaging style designed to be accessible to anyone. I found it extremely enlightening and recommend it thoroughly.

Source: Jamie Metzl, WCIT Yerevan 2019

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Hacking Darwin: How the coming genetics revolution will play out - New Atlas