Table I.
PSK-α Concentration | TEs | |
---|---|---|
% of living cells | % of total TEs | |
1.0 μm | 39 ± 7 | 81 ± 7 |
0.1 μm | 39 ± 2 | 87 ± 2 |
0.01 μm | 35 ± 2 | 82 ± 4 |
1.0 nm | 16 ± 5 | 86 ± 3 |
0.1 nm | 8 ± 4 | NDa |
None | 1 ± 2 | ND |
Zinnia mesophyll cells were cultured at an initial density of 2.5 × 104 cells mL−1 in media containing PSK-α at various concentrations. The TE differentiation frequency was determined after 5 d of culture. Data are mean values of three replicates ± sd.
ND, Not determined.