Biotechnology.

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Presentation transcript:

Biotechnology

Biotechnology…82 Flip to the back of page 82 and add the pink questions to the left side of the page.

Genetically Engineered food

What is Genetic Engineering? Changing the genetic make-up of an organism using techniques that remove and replace genetic material

Biotechnology in Microbiology Using microbes to remove harmful toxins Example: oil spills and sewage treatment

Biotechnology in Forensic Science Forensic science-branch of science relating to crime scenes and legal fields. blood typing and DNA analysis. Forensic biotechnology is the application of biotechnology to the legal system. Typically, forensic biotechnology is associated with DNA fingerprinting. 

Biotechnology in Medicine Genetic testing for diseases Stem cells Burn victims Drug development making insulin arthritis medications New antibiotics

Cloning Cloning-creation of genetically identical organisms. New organism will have the same DNA as the original organism and will become IDENTICAL!!! Rat, mice, camel, monkeys, pigs, dogs, horses Cloning pets

Water Buffalo: Cloned in India but died five days later due to lung infection Pyrenean Ibex was the first extinct animal to be cloned back to life; the clone lived for seven minutes before dying of lung defects In 2001, a cow named Bessie gave birth to a cloned Asian gaur, an endangered species, but the calf died after two days In 2003, a banteng was successfully cloned, followed by three African wildcats from a thawed frozen embryo. Wooly mammoths

Biotechnology in Agriculture an insect resistant crop of corn. Crops can produce more, grow quicker and longer….more $ for farmers Animals can produce more meat, milk or wool. Healthier crops (more vitamins) Makes it possible to grow crops in areas that weren’t able to before (ex. Places with little water) Pick any 2 to write down

Examples of genetically modified organisms

Flavr Savr Tomato Flavr Savr tomato, a tomato engineered to have a longer shelf life slow the ripening process of the tomato and thus prevent it from softening

Golden Rice Undernourished people in poorer countries may have blindness caused by a lack of vitamin A Contains beta-carotene, which forms Vitamin A

GLO FISH The GloFish is a patented and Trademarked brand of genetically modified(GM) fluorescent fish

Spider Silk Elastic, light weight fiber 5 times stronger than steel One method involves inserting the gene from a weaving spider into a fertilized goat egg. The resultant “spider-goat” produces milk that can be manufactured into strong fibers. Used To make flak jackets, rope, textiles, sutures, artificial tendons, and bandages for burn victims http://www.chm.bris.ac.uk/motm/spider/goat.jpg

Glowing Organisms Genes that make jellyfish glow are inserted into other organisms The organism glows under UV light http://www.fluorescentpets.com/prod31.jpg

Glow in the dark cats

Venomous Cabbage the gene that programs poison in scorpion tails and combines it with cabbage. Limits pesticide by preventing caterpillars from damaging cabbage crops. cabbages would produce scorpion poison that kills caterpillars when they bite leaves — but the toxin is modified so it isn’t harmful to humans

Fast Growing salmon genetically modified salmon grows twice as fast as the conventional variety. The company says the fish has the same flavor, texture, and color as a regular salmon however, the debate continues over whether the fish is safe to eat.

Banana Vaccinations hepatitis B and cholera vaccinations by taking a bite of banana. Researchers have successfully engineered bananas to produce vaccines When an altered form of a virus is injected into a banana sapling, the virus’ genetic material quickly becomes a permanent part of the plant’s cell

Genetically Modified Trees Trees are being genetically altered to grow faster, yield better wood and even detect biological attacks. Proponents of genetically engineered trees say biotechnology can help reverse deforestation while satisfying demand for wood and paper products. 

Plants Firefly gene incorporated into plants Makes “glowing”

Ethical Issues in Biotechnology Lot of debate about messing with “nature”. Possibility of food allergies. Long term effects are unknown

Biotechnology in NC Research Triangle Park- Raleigh, Durham, Chapel Hill. Includes research from NCSU, Duke, and UNC. North Carolina Research Campus- (NCRC) in Kannapolis, NC. Both research areas of nutrition, agriculture and human health.