Table 4 Strains used in this study

B. subtilis NCIB3610

Wild type; BGSC^a

[14]

B. subtilis 168

trpC2; Lab stock

[10]

B. subtilis PY79

Prototroph SPβ^s; Lab stock

[12]

B. subtilis DSM1092

Wild type; DSMZ^b

[16]

B. subtilis WB800

trpC2, nprE, aprE, epr, bpr, mpr::ble nprB::bsr Δvpr wprA::hyg; Lab stock

[17]

B. subtilis 3NA

spo0A3; BGSC

[11]

B. subtilis PS832

Prototroph; Lab stock

[15]

B. subtilis 168 S

B. subtilis 168 Δspo0A :: Cm^R; Lab stock

This study

B. subtilis PY79S

B. subtilis PY79 Δspo0A :: Cm^R; Lab stock

This study

E. coli MG1655

F⁻, λ⁻, rph-1; Lab stock

[26]