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Science & Technology

Scientists call for ban on creation of high-risk 'mirror life' microbes

By T.K. Randall
December 13, 2024 · Comment icon 13 comments
Mirror life
Is 'mirror life' really an 'unprecedented threat' ? Image Credit: Pixabay / Placidplace
This controversial subject of research involves creating 'mirror bacteria' using mirror images of natural molecules.
It might not be the first thing you think of when it comes to world-ending threats, but 'mirror life' - something that most people likely won't have even heard of - appears to be a legitimate risk.

Those working on this type of research are certainly not trying to create anything harmful, in fact quite the opposite - mirror microbes could have various medicinal and therapeutic benefits.

But, according to an international group of Nobel laureates and other experts, if mirror microbes were to establish themselves out in the environment, they could potentially slip past the immune systems of other organisms, putting everything from plants to humans at risk from lethal infections.

"The threat we're talking about is unprecedented," said evolutionary biologist Prof Vaughn Cooper.

"Mirror bacteria would likely evade many human, animal and plant immune system responses and in each case would cause lethal infections that would spread without check."
The group is now calling on research into mirror microbes to be halted for the time being.

"Unless compelling evidence emerges that mirror life would not pose extraordinary dangers, we believe that mirror bacteria and other mirror organisms, even those with engineered biocontainment measures, should not be created," they wrote.

"We therefore recommend that research with the goal of creating mirror bacteria not be permitted, and that funders make clear that they will not support such work."

This whole situation reminds us of a quote from Dr Ian Malcolm in Jurassic Park:

"Scientists were so preoccupied with whether or not they could, they didn't stop to think if they should."

Source: The Guardian | Comments (13)




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Recent comments on this story
Comment icon #4 Posted by Nicolette 1 month ago
Sorry but does anyone know, for those of us that don't understand, what is left handed bacteria?  Edit: Never mind, that was an informative link, thank you! In fact let me quote it: "Many of the essential molecules for life on Earth can exist in two mirror-image forms, referred to as "left-handed" and "right-handed" where handed refers to direction in which polarized light skews when beamed through a pure solution of the molecule, but living organisms do not use both.[10] Proteins are exclusively composed of left-handed amino acids; RNA and DNA contain only right-handed sugars. This p... [More]
Comment icon #5 Posted by Abramelin 25 days ago
Research on so-called mirror cells, which defy fundamental properties of living organisms, should be prohibited as too dangerous, biologists said. On Thursday, 38 prominent biologists issued a dire warning: Within a few decades, scientists will be able to create a microbe that could cause an unstoppable pandemic, devastating crop losses or the collapse of entire ecosystems. The scientists called for a ban on research that could lead to synthesis of such an organism. https://www.nytimes.com/2024/12/12/science/mirror-life-microbes-research.html
Comment icon #6 Posted by Abramelin 25 days ago
Comment icon #7 Posted by eight bits 25 days ago
For those who would prefer not to maintain a NYT account, a high-quality Science news article is available here: https://www.science.org/content/article/leading-scientists-urge-ban-developing-mirror-image-bacteria which includes the link to the more technical Science eLetter that contains the warning: https://www.science.org/doi/10.1126/science.ads9158
Comment icon #8 Posted by Abramelin 25 days ago
I did not need an account to read the article.
Comment icon #9 Posted by eight bits 25 days ago
What can I say? I did.
Comment icon #10 Posted by CrimsonKing 25 days ago
Almost reminds me of "the shimmer" from "Annihilation"...
Comment icon #11 Posted by Hammerclaw 25 days ago
You will when you reach the maximum number of free articles allowed. I'm in that category, too.
Comment icon #12 Posted by Abramelin 25 days ago
I know it may sound strange, but already in the recent past I had reached that maximum, but thìs article I could read without any problems. The article showed up as collapsed, and all I had to do was click 'continue reading' or something similar.
Comment icon #13 Posted by Doc Socks Junior 23 days ago
Chirality is discussed a lot in Mass Effect (a very enjoyable video game cribbed from the much superior Revelation Space novels). The Expanse novels also touch upon it in relation to their alien planets. I had the same thought. The linked Science letter from bits touches on that. Delving a little deeper, they specifically mention that E. coli, for instance, can spread in an achiral growth media. And achiral nutrients are apparently common in most potential bacterial hosts. This counts as my having learned something today.


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