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The Impact of Research in Cell Biology

Chapter 3.3 pages 72-75
by

Ms. Fanone's Class

on 7 November 2013

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Transcript of The Impact of Research in Cell Biology

Ongoing Research in Cell Biology
Ongoing Research in Cell Biology
Improving World Food Production
*The successful growing of crops to meet our basic needs is essential.
*Cell biologists have worked on things like crossbreeding to increase production, adapting plant cells to survive different climates.
*Researchers are also modifying plant cells to improve their resistance to insects and chemicals.

The Impact of Research in Cell Biology
Research projects in cell biology
There are a variety of areas in which researchers are learning to understand cellular processes;
*Stopping the development of cancers
*Regenerating nerve cells to repair spinal cord injuries
*Creating vaccines
*Prepare to stop the spread of infectious diseases not yet known
*Increase world food production
Working to Stop Cancers
Cancer is a disease related to the uncontrolled and rapid reproduction of cells.
Cancerous cells continue to reproduce rather than carry out their normal cellular activities.
A tumour is a mass of cells that are reproducing without a purpose.
Cell biologists research ideas as;
*Stopping the non-stop reproduction
*Destroying tumours
*Understanding why it starts

Repairing Damaged Spinal Cords
Our spinal cord contains cells that transmit nerve impulses to the brain and then on to the muscles in the body.
The nerves in the spinal cord branch out to the rest of the body. Damage to these nerves can create problems such as numbness, or sensory information.
Paralysis is the inability to move muscles. Depending on where the spinal cord is affected, 2 or all 4 limbs can be paralized.
Cell biologists work to attempt to regenerate the cells in spinal tissue.
Preparing for New Infectious Diseases
Technologies in studying cell and cellular processes have helped us create treatments for numerous infections such as smallpox, polio,and malaria.
Scientists in this field are constantly trying to understand how bacteria and virus are adapting to create new diseases.
Some more common diseases that scientists have had discoveries with are SARS and West Nile Virus.
The study of cells and their processes is a continually growing and changing industry. As new technologies emerge, developments change and more research is needed.
SARS
*Sars stands for:
Severe Acute Respiratory Syndrome
*It last from November of 2002 till July 2003.
*8096 cases were documented.
*774 deaths occurred as a result.
*Researchers discovered that it was a virus transmitted through contact either with airborne water droplets or contaminated surfaces.
Bt Corn
This is an example of plant cell modification.
*This specific corn can kill the European corn borer (an insect which has killed numerous crops of corn in the past)
Golden Rice
In 2000, Swiss researchers created "Golden Rice" by modifying plant cells.
*This rice has a higher vitamin A and iron content than other rices.
*Researchers took genes and enzymes from beans, wild rice, daffodils and aspergillus to create the golden rice.
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