Genetic Engineering

  • Plant Genetics and Agrobacterium

    Agrobacterium is commonly found in the soil and is known to cause crown gall tumors in plants. These bacteria are also used in plant genetic engineering to modify or change plant genes. The bacterium can carry a gene of interest in its DNA and transfer...
    By Sonal Panse September 30, 2009 

  • Curing Human Diseases and Gene Therapy: Some Major Advances

    Gene therapy is a potentially powerful technology to replace faulty disease-causing genes with functional copies. Though not yet a common procedure to treat genetic disease (primarily due to the difficulties of getting it right), there have been...
    By Paul Arnold September 27, 2009 

  • Who Invented Gene Splicing?

    Gene splicing first came to worldwide attention in 1973 with the creation of the first genetically engineered organism.
    By Paul Arnold September 21, 2009 


  • Stem Cell Hope for Cystinosis

    Cystinosis is a rare genetic disorder that causes an accumulation of the amino acid cystine in the body's cells which damages organs such as the eyes, pancreas, kidneys, and brain. Successful stem cell research in mice reversed the condition and may...
    By Paul Arnold September 20, 2009 

  • Gene Therapy as a Color Blindness Treatment

    First described by the chemist John Dalton in 1798, color blindness is the inability to see certain wavelengths of the visual spectrum; therefore an individual is unable to spot the difference between some colors. The most common cause is genetic...
    By Paul Arnold September 19, 2009 

  • What are the Risks of Animal Cloning?

    We've had Dolly, Snuppy, Ruppy, and a whole menagerie of cloned animals. The technology is awe-inspiring, controversial, and not without risks. This article is a look at some of the risks of animal cloning and asks whether they can be overcome?
    By Paul Arnold September 19, 2009 


  • Cloning Human Embryos: Possibilities and Controversies

    To clone a human embryo is to produce another embryo with identical genetic makeup. This process has huge potential: scientists can turn stem cells harvested from cloned embryos into any other kind of cell. But is it moral to create an embryo for...
    By Jessica Gross September 15, 2009 

  • Animal Cloning: Pet Cloning Controversy

    Some believe that it's a chance to be reunited with their dead pets. To others this kind of genetic manipulation is an abomination. A South Korean company has created the world's first commercially cloned dog. This article looks at the science...
    By Paul Arnold September 14, 2009 

  • Cc: The World's First Cloned Cat

    When the world's first cloned cat appeared in 2002, headline writers were jumping for joy. The phrase 'copy-cat' turned up in hundreds of publications all over the world.
    By Paul Arnold September 11, 2009 

  • The World's First Cloned Rabbits

    Rabbits joined the ever expanding list of cloned animals when cloned bunnies came hopping into the world in 2002.
    By Paul Arnold September 11, 2009 
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