利用EMS等诱变的正向遗传筛选法，十分繁琐，所花的时间长，精力大，而且还凭一定的运气。如今，利用此法鉴定出植物胞外过氧化氢受体，说明笨办法也是办法。

How plant cells sense the outside world through hydrogen peroxide

The discovery of a sensor that detects hydrogen peroxide at the surface of a cell provides insights into the mechanisms by which plant cells perceive and respond to environmental stress.

https://www.nature.com/articles/d41586-020-00403-y