Transcript Diapositiva 1 - Liceo scientifico Redi

Liceo Scientifico Francesco Redi
OGM between legend and reality
Teacher:
Elisa Vannuccini
Student:
Letizia Sarchini
WHAT DOES IT MEAN BIOTECHNOLOGY?
The word «Biotechnology»
means the use of living organisms or their parts
to produce useful substances to men
Traditional
Innovative
Biotechnologies
are born thousands of years ago…
Traditional biotechnologies are used
for thousands of years, such as
Agricolture
Farm
Fermentative activity of the microorganisms
What is an OGM?
“An organism or microorganism whose genetic material
has been altered by means of genetic engineering.”
How to create a transgenic organism?
Gene addition
Gene subtraction
Cell fusion
Biolistic method
(Gene Gun)
Helium chamber
Rupture disk
Macrocarrier
DNA coated
gold particle
Stopping screen
Focusing device
PDS1000 Microparticle Delivery System
Target tissue
Action fields of OGM:
Nutritive contents
Organoleptic charapteristics
Pesticides
Fruit and vegetables out of season
Economy
Bad points about OGM
Allergic problems
Resistant bacteria and insects
Reduction of biodiversity
Industrial monopoly
Argentina, OGM soya
BUT
Hawaii, transgenic papaya
India, Bt cotton
It must be remembered the meaning of "cultivating"
which is not just to grow plants, but also to take care, respect, serve.
Thank you,
I hope you enjoyed it