Figure 9
The twelve most common protease expression patterns during Populus leaf development. Populus DNA microarray data were processed in UPSC-BASE (Sjödin et al. 2006). Samples for microarray analysis were taken from free-growing aspen in Umeå on the following dates; May 25, June 1, June 9, June 15, June 29, July 6, July 18, July 27, August 3, August 11, August 18, August 29 and September 12 2000, and Aug 17, Aug 24, Sept 03, Sept 07, Sept 14 and Sept 17 1999. The two sample series are identified by separate lines in the profiles.