TABLE 1.
Selection of phage-resistant Synechococcus mutants
| Synechococcus strain | No. of susceptible interactions (n = 32 phage isolates) | No. (%) of resistant mutants observed | No. of resistant mutants characterized | Mean no. of additional phages resisted (± SD)a |
|---|---|---|---|---|
| Batch culture strains | ||||
| WH7803 | 30 | 12 (40) | 7 | 7.8 (± 3.5) |
| WH8012 | 19 | 9 (47) | 2 | 6.0 (± 2.8) |
| WH8018 | 29 | 17 (59) | 9 | 10.0 (± 2.0) |
| WH8101 | 23 | 12 (52) | 5 | 4.5 (± 1.3) |
| Single-colony strainsb | ||||
| WH7803sca | 30 | 9 (30) | ||
| WH8101sca | 22 | 13 (59) | ||
| WH8101scb | 22 | 16 (73) |
a
Double and triple mutants not included.
b
sca, single colony a; scb, single colony b.