TABLE 3

Changes in gene expression between the inbred tetraploid A. thaliana parent and the four independent allotetraploid lines using AFLP-cDNA analysis

CategoryaBehavior of AFLP-cDNA products
 in allopolyploids%
1New in one or more lines0.3
2Missing in one or more lines2.1
3Missing in two or more lines1.3
4Much stronger in one or more lines0.4
5Much weaker in one or more lines0.2
  • ↵a Products on the gel were categorized as genes that were activated (1); silenced in any of the four lines (2); silenced in at least two lines, indicating nonrandom silencing (3); and up- or downregulated, respectively (4, 5).