Magic molecular metaphors

December 2019

The latest blue-eyed boy of genetic engineers is the 'CRISPR' gene editing technique [1].

CRISPR is commonly described as a "molecular scalpel" suggesting an edit made with surgical precision, or as "molecular scissors" suggesting a neat, controlled snip, or even as "shears" (to clean up Nature's mess?).

Sceptics have described CRISPR as "a chainsaw in the hands of a child", a "hand grenade", and "malware" which searches out any chosen sequence in the DNA code and corrupts it.

Magic scissors operated by a sorcerer's apprentice might also be apt.

Smart plants are for real

October 2016

Ripe barley: Photo Creative Commons

We tend to view plants as having 'characteristics' rather than 'behaviours'. The latter suggests senses, reactions and communication at a level impossible without a nervous system.

Biotech scientists seem to view plants as lego-like structures into which they can slot characteristics of their choice, even animal ones. Belief in their ability to custom-build plant life is such that testing the whole-picture reality of what they've created has never been big on the GM agenda.

Plants, however, aren't simple bystanders in their environment, or passive sugar factories running on solar power. They're far smarter than we think.