Bt FAQ

Bt, short for Bacillus thuringiensis, is a bacteria that produces a protein that kills certain types of insects. Different types of the gene that produces thais protein have been engineered into crops to make them resistant to those insects. The approach has been quite successful but the details can be confusing.

If you’re looking for science-based information on Bt crops, check out the Bacillus thuringiensis info page that was developed by Karen Chien of

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Who makes GE crops?

When it comes to genetic engineering in agriculture, most of the attention on the web and in films focuses on Monsanto when there are several other big companies (and a lot of little ones) that also work in this area. Reuters has just published a list of the big six, for your perusal:

  • Monsanto Co (MON.N) – Based in St. Louis, the company posted record net sales of $11.7 billion and net income of $2.1 billion for fiscal 2009. Among its key products are corn, soybeans and cotton that tolerate weed-killing treatments and resist pests.
  • Pioneer Hi-Bred – Subsidiary of DuPont (DD.N) based in Johnston, Iowa. Produces, markets and sells hybrid seed in nearly 70 countries worldwide and is the closest rival to Monsanto for market share in U.S. biotech corn seed market. Revenue totaled $4 billion in 2008.
  • Syngenta AG (SYNN.VX) – The Basel, Switzerland-based company operates in 90 countries and generated 2008 sales of $11.6 billion. Collaborating with International Rice Research Institute to improve rice.
  • Dow AgroSciences – Subsidiary of Dow Chemical Co (DOW.N) based in Indianapolis, Indiana. With global sales of $4.5 billion, company offers insect-protected corn and cotton, among other seed products, and is expanding its research into wheat.
  • BASF (BASF.DE) – Based in Ludwigshafen, Germany, this leading global chemical company is increasingly focusing its health and nutrition division on plant biotechnology to increase crop yields. Like its rivals, BASF is working on a drought-tolerant corn seed. Revenue in its agricultural division totaled 3.4 billion euros in 2008.
  • Bayer CropScience AG – The unit of Bayer AG (BAYGn.DE), had 2008 sales of 6.4 billion euros and operates in 120 countries. The company is pursuing 56 “bioscience” research projects involving six crops.

Hopefully people will come to know that there is more to the private sector than just Monsanto. Lists of the big ones are easy to make, though, what about a profile of the little companies? Start-ups in Africa, South America? What about China?

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Laws on selling food

Many people who garden or make home preserves might be interested in selling their produce and products at the local farmers market or other places, but might not know what laws regulate sale of such items. Now, people can easily find out, thanks to the Leopold Center at Iowa State University. Their FAQs on Food Regulations for Small Market Food Producers provides information and resources.

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Great GM resource

If you are looking for reasoned discussions on topics related to genetic modification of organisms, I have a resource for you! In 2006, the Unversity of Califorinia put out the Agricultural Biotechnology in California Series. This peer-reviewed collection of essays considers topics from coexistence with organic farming to intellectual property protection. The essays are balanced, showing the real problems and benefits of genetic modification, and provide plenty of references for anyone who might want

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Interactive plant genomes

Science magazine has developed an interactive multi-media tool to help people learn about DNA, plant genetics, genetic engineering, and more. It’s definitely worth checking out. Interactive feature from Science

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About Biofortified

Biofortified's volunteer authors are devoted to providing factual information and fostering discussion about agriculture, especially plant genetics and genetic engineering. The site is written by grad students, professors, and guest experts. Meet our authors on the Authors page.

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