12 Weird Examples of Genetic Engineering


Glow-in-the-dark animals? It could sound like science fiction, however they have been round for years. Cabbages that produce scorpion poison? It has been accomplished. Oh, and the following time you want a vaccine, the physician may simply offer you a banana.

These and plenty of different genetically modified organisms exist at present as a result of their DNA has been altered and mixed with different DNA to create a completely new set of genes. You could not understand it, however many of those genetically modified organisms are part of your day by day life — and your day by day weight loss program. In 2015, 93 p.c of U.S. corn and soybeans are genetically engineered, and it is estimated that 60 to 70 p.c of processed meals on grocery retailer cabinets include genetically engineered substances.

Right here’s a have a look at the among the weirdest genetically engineered vegetation and animals already in existence — and plenty of which can be coming your method quickly.

Glow-in-the-dark animals

Picture: SAM YEH/AFP by way of Getty Photographs

In 2007, South Korean scientists altered a cat’s DNA to make it glow in the dead of night after which took that DNA and cloned different cats from it — making a set of fluffy, fluorescent felines. Right here’s how they did it: The researchers took pores and skin cells from Turkish Angora feminine cats and used a virus to insert genetic directions for making crimson fluorescent protein. Then they put the gene-altered nuclei into the eggs for cloning, and the cloned embryos have been implanted again into the donor cats — making the cats the surrogate moms for their very own clones.

Earlier analysis in Taiwan created three pigs that glowed fluorescent inexperienced. That is Wu Shinn-chih, assistant professor for the Institute and Division of Animal Science and Know-how of Nationwide Taiwan College (NTU), with one of many pigs within the photograph.

What is the level of making a pet that doubles as a nightlight? Scientists say the flexibility to engineer animals with fluorescent proteins will allow them to artificially create animals with human genetic illnesses.

Enviropig

Picture: Budimir Jevtic/Shutterstock

The Enviropig, or “Frankenswine,” as critics name it, is a pig that is been genetically altered to higher digest and course of phosphorus. Pig manure is excessive in phytate, a type of phosphorus, so when farmers use the manure as fertilizer, the chemical enters the watershed and causes algae blooms that deplete oxygen within the water and kill marine life.

So scientists added an E. coli micro organism and mouse DNA to a pig embryo. This modification decreases a pig’s phosphorous output by as a lot as 70 p.c — making the pig extra environmentally pleasant.

Air pollution-fighting vegetation

Picture: Scott Catron [CC BY-SA 3.0]/Wikimedia Commons

Scientists on the College of Washington are engineering poplar bushes that may clear up contamination websites by absorbing groundwater pollution by way of their roots. The vegetation then break the pollution down into innocent byproducts which can be included into their roots, stems and leaves or launched into the air.

In laboratory exams, the transgenic vegetation are capable of take away as a lot as 91 p.c of trichloroethylene — the commonest groundwater contaminant at U.S. Superfund websites — out of a liquid answer. Common poplar vegetation eliminated simply 3 p.c of the contaminant.

Venomous cabbage

Picture: Kawongwarin/Shutterstock

Scientists have taken the gene that packages poison in scorpion tails and appeared for methods to mix it with cabbage. Why would they need to create venomous cabbage? To restrict pesticide use whereas nonetheless stopping caterpillars from damaging cabbage crops. These genetically modified cabbages would produce scorpion poison that kills caterpillars after they chunk leaves — however the toxin is modified so it isn’t dangerous to people.

Net-spinning goats

Picture: Gorynvd/Shutterstock

Robust, versatile spider silk is among the most useful supplies in nature, and it could possibly be used to make an array of merchandise — from synthetic ligaments to parachute cords — if we may simply produce it on a industrial scale. In 2000, Nexia Biotechnologies introduced it had the reply: a goat that produced spiders’ net protein in its milk.

Researchers inserted a spiders’ dragline silk gene into the goats’ DNA in such a method that the goats would make the silk protein solely of their milk. This “silk milk” may then be used to fabricate a web-like materials known as Biosteel.

Quick-growing salmon

Picture: J LEVIN W [CC BY-SA 4.0]/Wikimedia Commons

AquaBounty’s genetically modified salmon grows twice as quick as the traditional selection — the photograph reveals two same-age salmon with the genetically altered one within the rear. The corporate says the fish has the identical taste, texture, shade and odor as an everyday salmon; nevertheless, the talk continues over whether or not the fish is suitable for eating.

Genetically engineered Atlantic salmon has an added progress hormone from a Chinook salmon that enables the fish to provide progress hormone year-round. Scientists have been capable of hold the hormone energetic through the use of a gene from an eel-like fish known as an ocean pout, which acts as an “on change” for the hormone.

The FDA authorized the sale of the salmon within the U.S. in 2015, marking the primary time a genetically modified animal was authorized on the market within the U.S.

Flavr Savr tomato

Picture: fotomanX/Shutterstock

The Flavr Savr tomato was the primary commercially grown genetically engineered meals to be granted a license for human consumption. By including an antisense gene, the California-based firm Calgene hoped to sluggish the ripening means of the tomato to forestall softening and rotting, whereas permitting the tomato to retain its pure taste and shade.

The FDA authorized the Flavr Savr in 1994; nevertheless, the tomatoes have been so delicate that they have been troublesome to move, they usually have been off the market by 1997. On prime of manufacturing and delivery issues, the tomatoes have been additionally reported to have a really bland style: “The Flavr Savr tomatoes didn’t style that good due to the range from which they have been developed. There was little or no taste to avoid wasting,” mentioned Christ Watkins, a horticulture professor at Cornell College.

Banana vaccines

Picture: vincentchuls/Shutterstock

Individuals might quickly be getting vaccinated for illnesses like hepatitis B and cholera by merely taking a chunk of banana. Researchers have efficiently engineered bananas, potatoes, lettuce, carrots and tobacco to provide vaccines, however they are saying bananas are the best manufacturing and supply automobile.

When an altered type of a virus is injected right into a banana sapling, the virus’ genetic materials shortly turns into a everlasting a part of the plant’s cells. Because the plant grows, its cells produce the virus proteins — however not the infectious a part of the virus. When folks eat a chunk of a genetically engineered banana, which is stuffed with virus proteins, their immune techniques construct up antibodies to struggle the illness — similar to a standard vaccine.

Much less-flatulent cows

Picture: smereka/Shutterstock

Cows produce important quantities of methane on account of their digestion course of — it’s produced by a bacterium that’s a byproduct of cows’ high-cellulosic diets that embrace grass and hay. Methane is a significant contributor — second solely to carbon dioxide — to the greenhouse impact, so scientists have been working to genetically engineer a cow that produces much less methane.

Agriculture analysis scientists on the College of Alberta have recognized the bacterium liable for producing methane and designed a line of cattle that creates 25 p.c much less methane than the typical cow.

Genetically modified bushes

Picture: Forest and Kim Starr [CC BY 2.0]/Flickr

Timber are being genetically altered to develop sooner, yield higher wooden and even detect organic assaults. Proponents of genetically engineered bushes say biotechnology may also help reverse deforestation whereas satisfying demand for wooden and paper merchandise. For instance, Australian eucalyptus bushes have been altered to face up to freezing temperatures, and loblolly pines have been created with much less lignin, the substance that provides bushes their rigidity.

Nonetheless, critics argue that not sufficient is understood about designer bushes’ impact on their pure environment — they may unfold their genes to pure bushes or enhance wildfire threat, amongst different drawbacks. Nonetheless, the USDA gave approval in Could 2010 for ArborGen, a biotechnology firm, to start area trials for 260,000 bushes in seven southern states.

Medicinal eggs

Picture: maradon 333/Shutterstock

British scientists have created a breed of genetically modified hens that produce cancer-fighting medicines of their eggs. The animals have had human genes added to their DNA in order that human proteins are secreted into the whites of their eggs, together with advanced medicinal proteins much like medication used to deal with pores and skin most cancers and different illnesses.

What precisely do these disease-fighting eggs include? The hens lay eggs which have miR24, a molecule with potential for treating malignant melanoma and arthritis, and human interferon b-1a, an antiviral drug that resembles fashionable therapies for a number of sclerosis.

Tremendous carbon-capturing vegetation

Picture: MaryAnne Campbell/Shutterstock

People add about 9 gigatons of carbon to the environment yearly, and vegetation and bushes take up about 5 of these gigatons. The remaining carbon contributes to the greenhouse impact and world warming, however scientists are working to create genetically engineered vegetation and bushes which can be optimized for capturing this extra carbon.

Carbon can spend a long time housed within the leaves, branches, seeds and flowers of vegetation; nevertheless, carbon allotted to a plant’s roots can spend centuries there. Due to this fact, researchers hope to create bioenergy crops with massive root techniques that may seize and retailer carbon underground. Scientists are presently working to genetically modify perennials like switchgrass and miscanthus due to their in depth root techniques.



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