Table II.

Steps of the transformation process putatively disrupted in selected Arabidopsis rat mutants +, Mutant scores less than 25% of the wild-type; ++, mutant scores less than 33% of the wild-type; +++, mutant scores less than 50% of the wild-type; ++++, mutant scores more than 50% of the wild-type but still a rat mutant; +++++, mutant scores at the level of wild-type for transient GUS activity; *, mutant has been complemented with the wild-type gene; ND, not determined.

Mutant Tumorigenesis Transient GUS Gene Affected
Bacterial attachment/T-DNA transfer
    rat1* + + Arabinogalactan protein
    rat3* + +++ Likely cell wall protein
    rat4* + + AtCslA-09
    ratT18 + ND β-Expansin
    Antisense rat4 +++ ND AtCslA-09
    Antisense F9 ++ + Unknown protein
    Antisense F8 + + Unknown protein
    Antisense RAB8 + +++ AtRAB8
    RNAi BTI1 + + Unknown protein
    RNAi BTI2 + + Unknown protein
    RNAi BTI3 + + Unknown protein
    RNAi AtRAB8 + + AtRAB8
Cytoplasmic trafficking/cytoskeleton
    act2-1 + ++ Actin-2
    act7-4* + +++ Actin-7
    act7-1* + +++ Actin-7
    rat A4 + ND Kinesin protein
Nuclear targeting
    ratj1* + + Importin β-3
    Importin α-7* + +++ Importin α-7
    Antisense importin α-1 ++/+++ ++/+++ Importin α-1
T-DNA integration/chromatin structure and remodeling
    rat5* + ++++ Histone H2A-1
    HTA2 ++ ND Histone H2A-2
    HTA3 + ND Histone H2A-3
    HTA10 ++++ +++++ Histone H2A-10
    HTA11 + ND Histone H2A-11
    HTA13 ++++ +++++ Histone H2A-13
    HTB5 ++ ND Histone H2B-5
    HTB6 ++ +++++ Histone H2B-6
    HTR4/5 +++ ND Histone H3-4/5
    HFO3 + ND Histone H4-3
    HFO4 + +++++ Histone H4-4
    HDA1 + +++++ Histone deacetylase-1
    HDA2 ++++ +++++ Histone deacetylase-2
    HDA6 +++ ND Histone deacetylase-6
    HDA9 ++++ ND Histone deacetylase-9
    HAT6 + +++ Histone acetyl transferase-6
    HAC11 ++ + Histone acetyl transferase-11
    HXA1 +++ + Histone acetylase complex HXA1
    HXA2 + ++++ Histone acetylase complex HXA2
    RNAi CHA6 ++++ ND Chromatin-remodeling complex subunit 6
    RNAi HAC 8-1 + ND Histone acetyl transferase-8
    RNAi NFA2-1 +++ ND Nucleosome assembly factor A
    RNAi SGA1 + ND Chromatin-silencing group 1