TABLE 4.
Paramecium distribution in the presence of density gradient materials used in virion preparations
| Density gradient reatment | Target or stat | Replicate expt avg valuea | ||||
|---|---|---|---|---|---|---|
| Sucrose | Virus | 83.5 | 119 | 95.5 | 72.25 | 52.75 |
| VSB | 30.75 | 76 | 45.5 | 41.5 | 21.25 | |
| Pond water | 45.25 | 81.5 | 59 | 38.25 | 22.75 | |
| Chi-square | 19.12 | 10.29 | 15.02 | 18.09 | 14.64 | |
| P | 1.23E−05 | 1.34E−03 | 1.06E−04 | 2.11E−05 | 1.30E−04 | |
| Iodixanol | Virus | 81.25 | 61.75 | 86.75 | 82.75 | 86 |
| VSB | 33.5 | 26.5 | 18.25 | 33.25 | 14.25 | |
| Pond water | 44 | 37.25 | 48.75 | 52.75 | 26.75 | |
| Chi-square | 19.37 | 21.59 | 28.56 | 7.70 | 24.91 | |
| P | 1.08E−05 | 3.38E−06 | 9.08E−08 | 5.53E−03 | 6.02E−07 | |
a
Data are the measured values and associated statistical data from each of five microcosms; the values represent the average of the blind-coded readings by at least four individuals. The data are represented in Fig. 5.