TABLE 1.
Strain or plasmid | Descriptiona | Reference or source |
---|---|---|
Strains | ||
Streptomyces sp. strain HK803 | Wild type | Riken, Japan |
NP1 mutant | plmS2 replaced by Amr | 17 |
NP2 mutant | plmS2-deleted mutant; Ams | Unpublished |
S. coelicolor M115 | 15 | |
E. coli TG2 | supE hsd5 thi (lac-proAB) (srl-recA) 306::Tn10(tetr) F[traD36 proAB+laclq lac ZM15] | 22 |
E. coli ET12567 | Methylation-deficient E. coli host | John Innes Center |
E. coli ET12567/pUZ8002 | Nonmethylating E. coli harboring nontransmissible pUZ8002 (plasmid capable of mobilizing oriT-containing vectors) | John Innes Center |
Plasmids | ||
pET15b | E. coli expression vector, Apr | Novagen |
pMSG | pET15b with 1.2-kbp NdeI-BamHI plmS2 ORF | This work |
pGF200 | pSET152 with 2.2-kbp EcoRI S. collinus ccr fragment from pHL18 | 13 |
pMSG1 | pGF200 with 0.7-kbp NdeI-BglI fragment from ccr replaced by 1.2-kbp NdeI-BamHI plmS2 | This work |
pSE34 | pWHM3 with ermE* promoter | Pfizer Inc. |
pMSG3 | pSE34 with 1.6-kbp XbaI-HindIII fragment from pMSG | This work |
Amr, apramycin resistance; Ams, apramycin sensitivity; Apr, ampicillin resistance.