It's not easy, but check out C.R. Somerville et al. in Plant Science Letters 21, 89-96 (1981). I'm not aware of any major alterations since. Anders B. Jensen wrote: > > I need a good protocol for isolation of chloroplasts from Arabidopsis, > Is there someone who has a good protocol? > I will be happy to get a copy. > > Tine Hoff > hoff at biobase.dk