Posts tagged with nondestructive sampling

Extracting DNA from dried plants – with an eraser

Hen and chickens fern after sampling with an eraser. This species has delicate fronds so the stem was sampled instead. Sampling site is arrowed.

Until now, it hasn’t been possible to get the DNA out of a pressed dried plant (herbarium specimen) without destroying part of it by removing a leaf and grinding it up.  But new research by scientist Lara Shepherd has proven that you can use an eraser to ‘rub off’ the DNA. Read Lara’s paper A non-destructive DNA sampling technique… Read more »