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Gene drive technology

Gene drive technology mind map
December 2023 News
African scientists
Developing gene drive technology
Genetically modify mosquitoes
Eradicate malaria
"Game-changer" for malaria control
By 2025
Researchers
Created new system
Safer gene drive testing
Development
Convert split gene drives
Into full drives
More experimentation flexibility
When
Genetics to control mosquito populations
Over 80 years old
Gene drives proposed
In 2003
By Austin Burt
Professor at Imperial College London
CRISPR gene drives proposed
In a 2014 paper
Combining gene drive
With CRISPR gene editing
Why
Control diseases
Like malaria
Suppressing mosquito populations
Conservation efforts
Controlling invasive species
Protecting endangered species
Basic research questions
In genetics
Evolution
Ecology
What Full Provisions
Gene drives
Genetic elements
Rapidly spread through populations
Increasing inheritance chance
Work by cutting DNA
At targeted sequence
Trigger cell's repair mechanism
Copy gene drive
Onto both chromosomes
Ensures nearly 100% inheritance
Rapid spread
Through populations
Over generations
CRISPR gene editing
Made construction easier
Compared to earlier techniques
No gene drive mosquitoes
Released in India
Or elsewhere yet
India has guidelines
For testing genetically engineered insects
Does not specifically regulate gene drives
Where
Gene drive research and development
In the USA
Europe
Africa
Australia
Proposed release locations
In Africa for malaria
Elsewhere for invasive species
Who
Key organizations
Target Malaria
Gene Drive Network
Foundation for the National Institutes of Health
Key scientists
Andrea Crisanti
Imperial College London
Abdoulaye Diabate
IRSS Burkina Faso
How
Gene drives spread
Through populations
When organisms mate
Pass on genetic material
Gene drive mechanisms
Ensure inherited more frequently
Than normal Mendelian inheritance
Over generations
Gene drive becomes prevalent
Throughout the population
Significance
Highly effective
Sustainable
Cost-effective method
For disease control
Avoid environmental impacts
Of insecticides
Other control methods
Flexible technology
Applications for human health
Conservation
Agriculture
Challenges
Ecological risks
Unintended species extinction
Lack of reversibility
If undesired effects occur
Difficult to regulate
Across country borders
Public skepticism
Ethical concerns
About genetic engineering
Way Forward
Careful risk assessment
Before any environmental release
Engage local communities
In decision-making
Build capacity
For regulating gene drives
Internationally
Increase public awareness
Trust through outreach

Summary: Gene drive technology is a method of genetic engineering that allows specific genes to spread rapidly through a population. This technology, which can override natural selection, is made possible by the gene editing tool CRISPR-Cas9. Gene drives can be used to control disease-carrying insects like mosquitoes, potentially eradicating diseases like malaria. However, the technology also poses significant ecological risks, including the possibility of unintended species extinction. Therefore, it’s crucial to conduct thorough testing and risk assessment before deploying gene drives. Additionally, public engagement and clear regulation are necessary to address ethical concerns and skepticism about genetic engineering. As of December 2023, gene drive research and development are ongoing in various parts of the world, including the USA, Europe, Africa, and Australia

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