Table 3. B. subtilis strains used.

Strain	Relevant genotypea [reference]
AG174 (a.k.a., JH642)	pheA1 trpC2 [58, 66]
BKE40370	walJ::erm (168 background) [61]
CMJ293	ponA::spc
CMJ374	cwlO::spc
GP891 (a.k.a., LSF625)	recU::cat trpC2 ICEBs1 (168 background) [59]
JMA222	pheA1 trpC2 ICEBs10 [57]
JRL131	ΔoppA (AG174 background) [67]
JRL189	ΔoppB (AG174 background) [67]
LSF20	speE::spc
LSF41	polA::cat (a.k.a., AB41)
LSF176	dnaC30(ts)-mls
LSF197	ΔSPß::lox-kan-lox
LSF198	ΔPBSX::lox-kan-lox
LSF200	recJ::spc
LSF201	ΔPBSX::lox-kan-lox (PY79 strain background) [68]
LSF203	ΔSPß::lox
LSF204	ΔPBSX::lox
LSF225	ΔSPß::lox ΔPBSX::lox
LSF231	ΔSPß::lox ΔPBSX::lox recJ::spc
LSF233	ICEBs10 hrcA::cat
LSF253	addBA::kan
LSF254	ΔSPß::lox ΔPBSX::lox addBA::kan
LSF270	recF::spc (a.k.a., CAL1614)
LSF274	dnaC30(ts) recJ::spc
LSF282	recJ::cat recF::spc
LSF284	recN::[recN-9aa-mNeongreen kan]; referred to as recN-mng kan
LSF298	recN::kan
LSF326	dnaC30(ts) addBA::kan
LSF444	SPß::lox PBSX::lox ycgE::spc
LSF536	ΔSPß::lox ΔPBSX::lox recN::kan
LSF633	amyE::[PyneA-lacZ cat]
LSF634	amyE::[PyneA-lacZ cat] recJ::spc
LSF635	amyE::[PyneA-lacZ cat] addBA::kan
LSF648	ΔSPß::lox ΔPBSX::lox recJ::spc addBA::kan
LSF649	ΔSPß::lox ΔPBSX::lox recN-mng kan recJ::spc
LSF650	ΔSPß::lox ΔPBSX::lox recN-mng kan addA::spc
LSF651	ΔSPß::lox ΔPBSX::lox recN::kan recJ::spc
LSF652	ΔSPß::lox ΔPBSX::lox recN::kan addA::spc
LSF658	ΔSPß::lox ΔPBSX::lox recA260 (mls, cat)
LSF659	ΔSPẞ::lox ΔPBSX::lox recJ::spc recA260 (mls, cat)
LSF706	ΔSPß::lox ΔPBSX::lox recN-mng kan recJ::cat addA::spc
LSF708	ΔSPß::lox ΔPBSX::lox recN-mng kan
LSF709	addBA::kan recF::spc
LSF740	ΔSPß::lox ΔPBSX::lox recN-mng kan recU::cat
LSF756	ΔSPß::lox ΔPBSX::lox recN-mng kan recA260 (mls, cat)
LSF814	recO::cat
LSF815	recO::cat recJ::spc
LSF816	ΔSPß::lox ΔPBSX::lox recN-mng kan recF::spc
LSF817	recO::cat addBA::kan
LSF818	ΔSPß::lox ΔPBSX::lox recN-mng kan recO::cat

^a Unless otherwise indicated, strains are derived from JMA222, and the trpC2, pheA1, and ICEBs1⁰ alleles are not shown.