History Of Transgenic Animals Ppt

Transgenic vertebrates have been developed in species with both scientific and commercial value including fish amphibians birds and mammals.

History of transgenic animals ppt. The production of transgenic animals has focused mainly on producing models eg the mouse for basic and medical research. The first genetically modified or ganism was a bacterium. Transgenic animals can be used as disease models transpharmers xenotransplanters food sources and other biological models.

Transgenic mice are developed by injecting DNA into the oocytes or 1-2 celled embryos taken from female mice. Transgenic models are more precise in comparison to traditional animal models for example the oncomouse with its increased susceptibility to tumor development enables results for carcinogenicity studies to be obtained within a shorter time-frame thus reducing the course of tumor development in experimentally affected animals. The transgenic plants thus produced show expression of foreign genes resulting in a higher level of herbicide tolerance.

1 to examine the physiologic consequence of a gain-of-function approach in which one overexpresses or expresses ectopically a protein to assess its physiologic and biologic function at the cellular or subcellular organ or whole-animal level this form of experimentation is the most common. Transgenic invertebrate species include some. How Bt Cotton Was Developed About ten years ago Monsanto scientists inserted a toxin gene from the bacterium called Bt which is the nickname for Bacillus thuringiensis into cotton plants to create a caterpillar-resistant variety.

Overview o Introduction o Definitions o Transgenic animals methods of production o Applications of transgenic technology o Ethical concerns 2 3. London docks was the point of entry of the plague into England. OR A transgenic animal is one that carries a foreign gene that has been deliberately inserted into its genome.

In general transgenic animals are used to address three fundamentally distinct topics. Bubonic Plague in History In the late Middle Ages 13401400 Europe experienced the most deadly disease outbreak in history when the Black Death the infamous pandemic of bubonic plague hit in 1348 killing a third of the human population PPT-089-01. The PowerPoint PPT presentation.

Let us discuss a few of them. A transgenic animal has been genetically engineered to incorporate a foreign gene. Theoretically all living beings can be genetically manipulated.