Waiter, there’s DNA in my dinner!

Threadless recently hosted* a t-shirt contest for Jeffery Smith‘s Institute for Responsible Technology: the No GMO t-shirt design challenge (see Karl’s post Vote for talking, not fighting for more details). One of the shirts really struck me: GMO Shortens Life Span by Michael. The artist proposes an equation:

plants + DNA  = death

This slogan really makes me wonder – does the artist know that plants have DNA? Does he know that his own cells are teeming with DNA? That without DNA, life wouldn’t exist? Do most people know that DNA is essential for life? What would the average person say if told that they eat about 100 thousand miles of DNA in the average meal?

If this is the level of understanding, or rather, misunderstanding, that persons have, can we ever expect to have useful discourse on the subject of biotechnology or even biology itself? This worries me greatly. Just in case anyone out there reading this is concerned that DNA is dangerous, I’d like to provide a simple recipe that anyone can use to see and touch DNA for themselves.

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Corn as art

Field of Dreams in Dyersville, IA by John Bollwitt.

We often talk about the science of corn (aka maize) but there’s so much more to it. I’ll be leaving corn country soon to start a new job, and I know I’ll miss being in the center of so much maize.

Consider the natural beauty of a cornfield swaying in a summer breeze, with killdeer and red-winged blackbirds calling amongst the buzzing of grasshoppers.

It’s just a cornfield, but the combination of symmetry and asymmetry from afar and up close, of being in the presence of a plant that has been touched by humans for thousands of years, somehow makes it a very interesting place to be – even when I have many hours of pollinating or harvesting behind and ahead of me.

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Superior searching

Ever try to find some fact-based information about agriculture, gardening, nutrition… but had a hard time getting past all the junk sites? Extension may be the key to getting the information you need.

eXtension collects fact-based information from subject matter experts in extension offices at from 74 land-grant institutions in the US so it can be easily accessed by anyone 24/7/365. This non-profit is overseen by representatives of land grant institutions chosen by each of 7 regions in the US (details on mission and oversight can be found at the eXtension Foundation website).  

If you go to the website, it should auto-detect your location so you can find information from your closest extension office. You can also choose to select a different institution by zip code or state or just browse the list of institutions. Another option is to view subjects by resource areas aka Communities of Practice.

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Biotechnology: communication and politics

I had the pleasure of speaking today with Matthew Nisbet, author of a controversial report about communication of climate change. Matt’s full report Climate Shift is well worth a read, but is a bit daunting at almost 100 pages. Andrew Revkin has an excellent play by play discussing Matt’s report as well as the commentary that has surrounded it: Beyond the Climate Blame Game. There were a lot of interesting ideas discussed at today’s meet and greet but I’ve pulled out a two ideas that are relevant to the discussion of biotechnology.

1) When talking about climate change, if we ever want to accomplish real communication, we need to find the scientists that are in the pragmatic* middle. These scientists in the pragmatic middle are more likely to be able to make themselves understood and are more likely to have things in common with the public in the pragmatic middle.

Does this apply to biotechnology? In some ways, I have to say no.

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Does glyphosate restrict crop mineral uptake?

Note: This post follows Extraordinary claims require extraordinary evidence about Don Huber’s alleged letter to the USDA that claims a never before seen “micro fungus” is endangering all of agriculture.

While claims about “micro-fungi” are too extraordinary to even consider until extraordinary proof is provided (and preferably replicated by another lab and peer reviewed), Don Huber’s claims that Roundup (specifically the active ingredient glyphosate) weakens crops by binding minerals in the soil seems to have at least some merit, at least enough to be taken seriously and examined further.

Over the years since Roundup Ready (RR) crops have been released, independent researchers have conducted many studies to determine whether there is a specific problem with some crop varieties with the RR gene, with all crops with the RR gene, or with glyphosate itself. Overall, the research shows that there may be some concern about glyphosate reducing availability of some minerals when the soil is deficient in those minerals. The research hasn’t found a problem with the RR gene itself.

It is important to note that the stack of peer reviewed papers indicating glyphosate to be a problem with disease or yield is much smaller than the stack indicating there is no problem. We must look at the entire body of evidence, not just cherry pick one or a few papers, in order to get a clear understanding of what’s really happening.

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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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