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Table 1 Differential expression of cell wall genes in an elongating maize internode

From: Spatial gradients in cell wall composition and transcriptional profiles along elongating maize internodes

Sections Number of genes changed by 2-fold or more (%) % of differentially transcribed genes between any two sections
S2 S3 S4 S5 S6 S7 S8 S9
S2 214 (23)         
S3 418 (45) 54        
S4 390 (42) 56 15       
S5 370 (40) 52 27 26      
S6 389 (42) 54 32 30 13     
S7 408 (44) 61 30 27 30 27    
S8 389 (42) 56 34 33 18 10 24   
S9 372 (40) 58 33 31 16 10 22 10  
S10 386 (41) 59 34 34 26 20 22 15 23
  1. The 4 × 44 microarray chips contained 17200 putative functional genes. About 5% (930 genes) of them was found to code for cell wall metabolic proteins. While Section S1 was taken as the control, the number of genes with a change in signal intensity by 2- or more than 2-fold (both down and up-regulated) was calculated for other sections (showing in column 2). The percentage overall cell wall genes was listed in brackets. The differential transcription between any two adjacent sections was also calculated and is shown in columns 3 – 10.