TABLE 1.
S. meliloti strains used in this work
| Strain | Description or genotype | Reference or source |
|---|---|---|
| RM1021 | WT strain, Su 47 derivative; Smr | |
| R874 | Sm1021 katC::Neor | 26 |
| R326 | Sm1021 sodB::Tetr | 26 |
| R815 | SM1021 sodC::Gmr | 26 |
| R641 | SM1021 rpoE2::Gmr | 26 |
| R356 | SM1021 hfq-lacZ-Gmr | 8a |
| R602 | 1021 rpoE1::′uidA-KanrrpoE1+ | This study |
| R635 | 1021 rpoE2::′uidA-NeorrpoE2+ | This study |
| R605 | 1021 rpoE3::′uidA-KanrrpoE3+ | This study |
| R562 | 1021 rpoE4::′uidA-KanrrpoE4+ | This study |
| R603 | R356 rpoE1::′uidA-KanrrpoE1+ | This study |
| R671 | R356 rpoE2::′uidA-KanrrpoE2+ | This study |
| R672 | R356 rpoE3::′uidA-KanrrpoE3+ | This study |
| R673 | R356 rpoE4::′uidA-KanrrpoE4+ | This study |