Table 4: Frequency of MULEs, Pack-MULEs and MULEs with multiple TIRs in four different plant genomes.

Element typeArabidopsisTomatoRiceMaize

MULEs1576280413047512900a
Pack-MULEs46b (2.92)220 (1.6)2853b (9.4)276b (2.1)
MULEs with multiple TIRS11 (0.70)61 (0.22)4 (0.01)2 (0.02)

Number in parenthesis indicate percentage from total number of MULEs.
aSchnable et al., 2009 [17]
bJiang et al., 2011 [19].