TABLE 1

Frequency of [ PSI+] loss in the unstable [ PSI+] condition

Colonies
Strain[psi]UnstableStableTotal% [ psi] ± SD
L1767219922210442049.7 ± 19.3
L176894713600230741.1 ± 8.7
L176912147400195562.1 ± 6.7

The percentage of [PSI+] loss and the standard deviation (±SD) were calculated for three 74-D694 unstable [PSI+]by spreading at least three independent colonies from each to YPD plates and scoring the resulting colonies as [psi], unstable [PSI+] (sectored), or stable [PSI+].