Skip to main content
. 2008 Apr 9;105(15):5792–5796. doi: 10.1073/pnas.0801995105

Table 2.

A. niger, spontaneous mutation frequencies in nine different strains

Slope and strain Conidial color mutants, % Morphological mutants, % Total mutants,% Total colonies
ES/NFS
    22 0.82 0.68 1.50 9,106
    23 0.36 0.92 1.28 8,148
    24 0.33 0.08 0.42 14,467
AS/SFS
    25 0.78 1.74 2.52 13,585
    26 1.45 2.51 3.97 11,801
    28 0.63 4.12 4.75 3,349
    29 0.24 2.06 2.30 5,966
    30 2.08 2.81 4.89 10,568
    31 1.13 3.31 4.44 5,862

Homogeneity 2 × n χ2tests, within slopes in all cases. Conidial color mutants, ES/NFS, χ2 = 31.84; df, 2; P < 0.001; AS/SFS, χ2 = 156.60; df, 5; P < 0.001. Morphological mutants, ES/NFS, χ2 = 90.39; df, 2; P < 0.001; AS/SFS, χ2 = 92.59; df, 5; P < 0.001. Total mutants, ES/NFS, χ2 = 83.12; df, 2; P < 0.001; AS/SFS, χ2 = 150.73; df, 5; P < 0.001.