Analysis of Columbia-0 leaf, stem and flowers grown in greenhouse or growth chamber. Expanding leaves harvested 15 days post germination. Expanding upper 2" of stem and developed flowers/unopened buds harvested 29 days post germination.
Bergmann DC, Lukowitz W, Somerville CR. Stomatal development and pattern controlled by a MAPKK kinase. Science 2004 Jun 4;304(5676):1494-7. PMID: 15178800