Table I.

Gene families selected for the hierarchical clustering analysis (EPCLUST)

No. of Genes
Gene Family Total Family Members Present on the 8K GeneChip Expressed in One or More Dataset(s) Pollen-Expressed Pollen-Specific
RLKa 612 226 (37%) 62 (27%) 23 21
GHFb 386 154 (40%) 51 (33%) 14 13
GTFc 359 132 (37%) 38 (29%) 11 6
CESd 98 26 (27%) 13 (50%) 3 3
EXPe 35 13 (37%) 7 (54%) 1 0
TIFf 101 42 (42%) 31 (74%) 12 4
  • a Receptor-like kinases. b Glycoside hydrolases. c Glycosyl transferases. d Carbohydrate esterases. e Expansins. f Translation initiation factors.