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Transgenic Plants02:50

Transgenic Plants

Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
What is Genetic Engineering?00:49

What is Genetic Engineering?

Overview
Plant Breeding and Biotechnology01:59

Plant Breeding and Biotechnology

Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
Transgenic Organisms00:53

Transgenic Organisms

Overview
Transgenic Organisms00:53

Transgenic Organisms

Overview
Transcription01:10

Transcription

Overview
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...

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Related Experiment Video

Updated: Jun 10, 2026

Preventing the Spread of Malaria and Dengue Fever Using Genetically Modified Mosquitoes
17:50

Preventing the Spread of Malaria and Dengue Fever Using Genetically Modified Mosquitoes

Published on: July 4, 2007

Needs for and environmental risks from transgenic crops in the developing world.

Jonathan Gressel1

  • 1Department of Plant Sciences, Weizmann Institute of Science, Rehovot 76100, Israel. jonathan.gressel@weizmann.ac.il

New Biotechnology
|August 6, 2010
PubMed
Summary
This summary is machine-generated.

Genetically engineered crops offer solutions for developing nations facing unique agricultural challenges like parasitic weeds and pests. Public sector involvement is crucial for developing these vital seed-borne technologies.

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Area of Science:

  • Agricultural Science
  • Biotechnology
  • Genetics

Background:

  • Developing nations face significant crop production constraints due to limited input availability.
  • Classical breeding methods are insufficient for overcoming 'genetic glass ceilings' in many crop species.

Purpose of the Study:

  • To highlight the necessity of genetically engineered solutions for agricultural challenges in the developing world.
  • To address specific constraints including parasitic weeds, pests, diseases, and nutritional deficiencies.

Main Methods:

  • Utilizing transgenic approaches to introduce beneficial genes into crops.
  • Focusing on seed-borne solutions to overcome input limitations.
  • Considering gene containment strategies for related weed species.

Main Results:

  • Transgenics can provide genes unavailable through classical breeding for critical agricultural problems.
  • Addressing issues like parasitic weeds, weedy rice, stem borers, post-harvest insects, viral diseases, and mycotoxins is essential.
  • Public sector investment is vital as private biotechnology may not prioritize developing world markets.

Conclusions:

  • Genetically engineered, seed-borne traits are critical for sustainable agriculture in developing countries.
  • Publicly funded research is imperative for developing these tailored agricultural solutions.
  • Careful management of gene flow to wild relatives is necessary for certain transgenic applications.