A group led by Roger Innes at Indiana University in Bloomington discovered mutants of the laboratory weed Arabidopsis that induce their defences much more strongly than normal.

• 在布鲁明顿的印地安那大学，由RogerInners率领的小组发现实验用草Arabidopsis的突变异种能够发动比正常情况下强大得多的防御。