The Frankenstein method

日期:2019-03-06 04:18:12 作者:连斫糁 阅读:

By Scott Norris Scientists commonly use electricity to increase the permeability of bacterial cell membranes, making it easier to insert DNA. Now Sandrine Demanèche’s team at the University of Lyon has provided the first evidence that nature may have been wise to this trick all along. The researchers seeded soil samples with the E. coli bacterium, as well as fragments of DNA containing genes for antibiotic resistance. They zapped the soil with a simulated lightning strike,