https://phys.org/news/2021-07-approach- ... -gmos.html
by University of Tokyo
Breeding better crops through genetic engineering has been possible for decades, but the use of genetically modified plants has been limited by technical challenges and popular controversies. A new approach potentially solves both of those problems by modifying the energy-producing parts of plant cells and then removing the DNA editing tool so it cannot be inherited by future seeds. The technique was recently demonstrated through proof-of-concept experiments published in the journal Nature Plants by geneticists at the University of Tokyo.
"Now we've got a way to modify chloroplast genes specifically and measure their potential to make a good plant," said Associate Professor Shin-ichi Arimura, who leads the group that performed the research.