Gene technology provides benefits such as producing genetically modified organisms faster than traditional breeding methods, creating organisms that produce specific products like human insulin, and developing crops with increased pest and herbicide resistance. However, there are also potential hazards such as the unintended transfer of genes between organisms which could lead to antibiotic resistance in pathogens, the creation of "superweeds", and food allergies from consuming genetically engineered products. The social and ethical implications involve both improving human welfare through increased food production and medical advances, but also risks of reduced biodiversity and ecosystem damage if genes spread in unintended ways.
This ppt have a detailed source about the Biosafety issues in Biotechnology and their implements over by the government. It have a topics about the issues in antibiotic resistance gene , GMO crops etc.
This ppt have a detailed source about the Biosafety issues in Biotechnology and their implements over by the government. It have a topics about the issues in antibiotic resistance gene , GMO crops etc.
this presentation deals with Molecular Ph(f)arming, and bio-safety issues related to it. This was presented by me in credit seminar in the division of Agricultural physics, IARI, New Delhi.
the sources used are duly acknowledged in the figures and slides.
Introduction
Definition
History
Why are the transgenic animals being produced
Transgenic mice
Mice: as model organism
Methods of creation of transgenic mice
knock-out mice
Application of transgenic mice
Conclusion
References
Introduction
About Drosophila
Genome of Drosophila
Life cycle
Differentiation
Development of Drosophila
* Embryonic development
* Dorsal -ventral and
* Anterior posterior development
* Body segmentation
* Homeotic gene
Conclusion
Reference
To decrease our world hunger and to make the plant more nutritious the transgenic technique was developed. This the basis of the transgenic plant and its technique
Molecular evolution, four class of chromosomal mutation, Negative Selection and Positive Selection, Mutations in DNA and protein, Neutral Theory of Molecular Evolution, Evidence supporting neutral evolution, Phylogenetic trees, Methods of Tree reconstruction
Plant transformation permits the introduction of the gene of interest for producing novel transgenic plants. "When a gene from one species is moved or relocated to another species by using recombinant DNA technology are called genetically modified organisms. Genetic engineering is one way to modify the plants by selecting for desired traits. Genetically modified organisms have foreign genes derive from not only plant source but also from bacteria, viruses, fungi, insects and animals. Transformation is the introduction and addition of the desired gene in plant for the generation of transgenic plant. Plant transformation is a challenging process for scientists. DNA transfer by artificial methods like DNA transfer through physical method is micro-injection, biolistic or gene gun methods, electroporation, silica carbide, microinjection, lipofection, microinjection. DNA also transfers by chemical methods. In natural method like in biological method, Agrobacterium-mediated transfer, Rhizobium, virus-mediated and planta transformation. Plant transformation involves three phases target gene, Plant tissues, vector for successful transformation. Plant transformation offers a momentous means to gain desire character or trait of interest. Plant transformation technique benefit agriculturalists to grow more crops in less area of land. And give more yield at less cost consumption. Plant transformation technology is familiarizing many crops with our desired characters. This review explains the natural method of plant transformation and benefits of transgenic plant.
this helps to understand the normal techniques related to biotechnology in a simple manner and provides you broad idea about the subject. A brief knowledge about the topic is presented in this presentation.
Welcome to the world of Homeotic genes. In this presentation I talk about the interesting history behind homeotic genes as to how it was discovered. Also, the various deformities in Drosophila related to mutations in homeotic genes and the characteristics of homeotic genes. I also talk about hox genes in humans and their function.
this presentation deals with Molecular Ph(f)arming, and bio-safety issues related to it. This was presented by me in credit seminar in the division of Agricultural physics, IARI, New Delhi.
the sources used are duly acknowledged in the figures and slides.
Introduction
Definition
History
Why are the transgenic animals being produced
Transgenic mice
Mice: as model organism
Methods of creation of transgenic mice
knock-out mice
Application of transgenic mice
Conclusion
References
Introduction
About Drosophila
Genome of Drosophila
Life cycle
Differentiation
Development of Drosophila
* Embryonic development
* Dorsal -ventral and
* Anterior posterior development
* Body segmentation
* Homeotic gene
Conclusion
Reference
To decrease our world hunger and to make the plant more nutritious the transgenic technique was developed. This the basis of the transgenic plant and its technique
Molecular evolution, four class of chromosomal mutation, Negative Selection and Positive Selection, Mutations in DNA and protein, Neutral Theory of Molecular Evolution, Evidence supporting neutral evolution, Phylogenetic trees, Methods of Tree reconstruction
Plant transformation permits the introduction of the gene of interest for producing novel transgenic plants. "When a gene from one species is moved or relocated to another species by using recombinant DNA technology are called genetically modified organisms. Genetic engineering is one way to modify the plants by selecting for desired traits. Genetically modified organisms have foreign genes derive from not only plant source but also from bacteria, viruses, fungi, insects and animals. Transformation is the introduction and addition of the desired gene in plant for the generation of transgenic plant. Plant transformation is a challenging process for scientists. DNA transfer by artificial methods like DNA transfer through physical method is micro-injection, biolistic or gene gun methods, electroporation, silica carbide, microinjection, lipofection, microinjection. DNA also transfers by chemical methods. In natural method like in biological method, Agrobacterium-mediated transfer, Rhizobium, virus-mediated and planta transformation. Plant transformation involves three phases target gene, Plant tissues, vector for successful transformation. Plant transformation offers a momentous means to gain desire character or trait of interest. Plant transformation technique benefit agriculturalists to grow more crops in less area of land. And give more yield at less cost consumption. Plant transformation technology is familiarizing many crops with our desired characters. This review explains the natural method of plant transformation and benefits of transgenic plant.
this helps to understand the normal techniques related to biotechnology in a simple manner and provides you broad idea about the subject. A brief knowledge about the topic is presented in this presentation.
Welcome to the world of Homeotic genes. In this presentation I talk about the interesting history behind homeotic genes as to how it was discovered. Also, the various deformities in Drosophila related to mutations in homeotic genes and the characteristics of homeotic genes. I also talk about hox genes in humans and their function.
The International Journal of Engineering and Science (The IJES)theijes
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
Any nutritious substance that people or animals eat or drink or those plants absorb in order to maintain life and growth is called Food. With the huge increasing population of the world, food production from natural resources could not meet their needs. So researchers move to produce more food using molecular-level techniques. This type of food is called genetically modified food (GM food), whose genetic material has been altered which is not present already in nature. GM food is made to increase nutrient content by alternation, has many advantages for humans as it increases the nutritional content and formation of pest, drought, herbicide, and cold resistant plants. But at the same time, it has negative impacts also. It is genetically unsafe, causing organ damage and allergic reactions in the digestive tract. The researchers are trying to do their best to produce crops with their desired characteristics by using molecular-level techniques.
Any nutritious substance that people or animals eat or drink or those plants absorb in order to maintain life and growth is called Food. With the huge increasing population of the world, food production from natural resources could not meet their needs. So researchers move to produce more food using molecular-level techniques. This type of food is called genetically modified food (GM food), whose genetic material has been altered which is not present already in nature. GM food is made to increase nutrient content by alternation, has many advantages for humans as it increases the nutritional content and formation of pest, drought, herbicide, and cold resistant plants. But at the same time, it has negative impacts also. It is genetically unsafe, causing organ damage and allergic reactions in the digestive tract. The researchers are trying to do their best to produce crops with their desired characteristics by using molecular-level techniques.
1. Benefits and hazards of gene
technology
• Benefits
– Produce genetically modified organisms for a specific purpose –
much faster than selective breeding and involves transferring
one or few genes, which may come from completely unrelated
organisms, even from different kingdoms
– Produce specific products (human insulin and human growth
hormone) – reducing the dependence on products from other,
less reliable sources
– Reduce use of agrochemicals such as herbicides and pesticides
since crops can be made resistant to particular or can be made
to contain toxins that kill insects
– Clean up specific pollutants and waste materials –
bioremediation
– Potential for use of gene technology to treat genetic diseases
such as cystic fibrosis and SCID (Severe Combined Immune
Deficiency) as well as in cancer treatment
ALBIO9700/2006JK
2. • Hazards
– Genes inserted into bacteria could be transferred into other
bacterial species, potentially including antibiotic resistance
genes which could result in antibiotic resistance in pathogens or
in bacteria that can produce toxic materials or break down useful
materials
– ‘Super-weeds’ resistant to herbicides and spreading
uncontrollably or their genes transferring into other closely
related wild species, forming a different kind of ‘super-weed’, or
they might reduce biodiversity by genetic contamination of wild
relatives (Mexican wild maize; Bt toxin)
– Food derived from genetically engineered organisms may prove
to be unexpectedly toxic or to trigger allergic reactions when
consumed
– Food containing the expressed products of antibiotic resistance
marker genes could be consumed at the same time as treatment
with the antibiotic was occurring, which would potentially reduce
the effectiveness of the treatment
– http://www.ifgene.org/beginner.htm
ALBIO9700/2006JK
3. The social and ethical implications of gene
technology
• Social impact (potential and actual impact of human
society and individuals):
– Enhance crop yields and permit crops to grow outside their usual
location or season (more food)
– Enhance the nutritional content (better food)
– Permit better targeted clean-up of wastes and pollutants
– Lead to production of more effective and cheaper medicines and
treatments through genetic manipulation of microorganisms and
agricultural organisms to make medicines and genetic
manipulation of human cells and individuals (gene therapy)
– Produce super-weed or interfere with ecosystems, reducing crop
yields (less food)
– Increase costs of seed and prevent seed from being retained for
sowing next year, reducing food production
– Reduce crop biodiversity by out-competing natural crops (less
well fed)
– Damage useful materials (oil and plastic)
– Cause antibiotics to become less useful and cause allergic
reactions or disease
ALBIO9700/2006JK
4. • Ethical impact (the application of moral frameworks
concerning the principles of conduct governing individuals and
groups, including what might be thought to be right and
wrong, good or bad):
– Good to conduct such research to develop technologies
that might improve nutrition, the environment or health
– Good to use the results to produce food, enhance the
environment or improve health
– Wrong to continue when the potential impact of the
technology is unknown and many aspects of it remain to
be understood
– Wrong to use results even when the organisms are kept in
carefully regulated environments as the risks of the
organisms or the genes they contain escaping are too
great and unknown
– Wrong to use results when this involves release of gene
technology into the environment, once release cannot be
taken back – the genes are self-perpetuating and the risks
that they might cause in future unknown
ALBIO9700/2006JK