Table 1 Summary of transvection occurring in test crosses to three CRM-LexA strains
GAL4 usedR24B02R23G07R58G08
R24B02NAab←↑
R23G07cNA←↑
R58G08←↑←↑NA
R54E05←↑←↑
R11G08Rd
R36B03
R54G12
R64F08
R29B04
R16H05
R64E01
R19D12
R33G12
R49D02
R23H08
R26B05
R32G10
R41G09
R44E04
R66B07
R29D02
  • a Crosses between a GAL4 and LexA using the same CRM are not scorable for transvection because they express in the same pattern.

  • b Up arrow indicates LexA is ectopically expressed in elements of the CRM-GAL4 pattern.

  • c Left arrow indicates GAL4 is ectopically expressed in elements of the CRM-LexA pattern.

  • d Trans-repression was seen in this cross (see Figure 5).