Table 1.

Strains used in this study.

Strain	Genotype	Source, Reference, or Construction
E. coli
JM109	recA1, endA1, gyrA96, thi-1, hsdR17($r_K^{-}$, $m_k^{+}$), mcrA, supE44, gyrA96, relA1, λ−, Δ(lac-proAB), F′ (traD36, proAB+, lacIq, lacZΔM15)	Yanisch-Perron et al., 1985
NM538	supF, hsdR, trpR, lacY	Frischauf et al., 1983
B. subtilis
168	trpC2	DSM23778*
IIG-Bs168-1	trpC2, ΔmanPA::ermC	pJOE6577.1 → 168
KM0	trpC	pKAM041 → 168
REG1	trpC2, ΔmanPA::ermC, hisI′-spcR-yvcA	pHM30 → IIG-Bs168-1
REG3	trpC2, ΔmanPA::ermC, PmtlA-comS	pREG3 → REG1
REG4	trpC2, ΔmanPA::ermC, PmtlA-dprA	pREG4 → REG1
REG5	trpC2, ΔmanPA::ermC, PmtlA-dprA-comS	pREG5 → REG1
REG6	trpC2, ΔmanPA::ermC, PmtlA-comK	pREG6 → REG1
REG7	trpC2, ΔmanPA::ermC, PmtlA-comK-dprA	Gibson 1 → REG1
REG19	trpC2, ΔmanPA::ermC, PmtlA-comK-comS	pJOE7361.1 → REG1
REG32	trpC2, ΔmanPA::ermC, PmtlA-comK-comS, ΔcomS	pREG12 → REG19
REG33	trpC2, ΔmanPA::ermC, PmtlA-comK-comS, ΔcomK	pREG13 → REG19
REG35	trpC2, ΔmanPA::ermC, PmtlA-comK-comS, ΔcomK, ΔcomS	pREG13 → REG32
REG36	trpC2, ΔmanPA::ermC, PmtlA-comK-comS, Δspo0A	pJOE7122 → REG19
REG37	trpC2, ΔmanPA::ermC, PmtlA-comK-comS, ΔcomQXPA	pREG10 → REG19
REG120	trpC2, ΔmanPA::ermC, PmtlA-comK-comS, ΔdegU	pREG58 → REG19

^*Deutsche Sammlung von Mikroorganismen und Zellkulturen.