Table 1 Strains constructed in this study

WT-LacZS

pCP0168::Pcpc560-lacZ-TrbcL; Cm^R in WT

WT-LacZW

pCP0168::PpsbA2-lacZ-TrbcL; Cm^R in WT

WT-PTLacZS

pBA3031M::PpsbA2 M-PT1-aslacZ1-PT2-TrbcL; Spe^R in WT-LacZS

WT-PTLacZW

pBA3031M::PpsbA2 M-PT1-aslacZ1-PT2-TrbcL; Spe^R in WT-LacZW

WT-HMLacZS

pBA3031M::PpsbA2 M-aslacZ2-micC-TrbcL-Pcpc560-hfq-TrbcL; Spe^R in WT-LacZS

WT-HMLacZW

pBA3031M::PpsbA2 M-aslacZ2-micC-TrbcL-Pcpc560-hfq-TrbcL; Spe^R in WT-LacZW

WT-C

pBA3031M:: Spe^R in WT

WT-PTGLGC

pBA3031M::PpsbA2 M-PT1-asglgC1-PT2-TrbcL; Spe^R in WT

WT-HMC

pBA3031M::PpsbA2 M-asglgC2-micC-TrbcL; Spe^R in WT

WT-HMGLGC

pBA3031M::PpsbA2 M-asglgC2-micC-TrbcL-Pcpc560-hfq-TrbcL; Spe^R in WT

WT-HMFA

pBA3031M::PpsbA2 M-asslr1511-micC-TrbcL-PpsbA2 M-asslr1332-micC-TrbcL-PpsbA2 M-assll1069-micC-TrbcL-Pcpc560-hfq-TrbcL; Spe^R in WT

WT-HMMA1

pBA3031M::PpsbA2 M-asslr2023-micC-TrbcL-PpsbA2 M-asslr1511-Pcpc560-hfq-TrbcL; Spe^R in WT

WT-HMMA2

pBA3031M::PpsbA2 M-asslr2023-micC-TrbcL-PpsbA2 M-asslr1511-micC-TrbcL-PpsbA2 M-asslr1332-micC-TrbcL-PpsbA2 M-assll1069-micC-TrbcL-Pcpc560-hfq-TrbcL; Spe^R in WT

WT-HMLacZS2

pTR3031M::PpsbA2 M-aslacZ2-micC-TrbcL-Ptrc-riboswitch-hfq-TrbcL; Spe^R in WT-LacZS

WT-HMMA1(the*)

pBA3031M::PpsbA2 M-asslr2023-micC-TrbcL-PpsbA2 M-asslr1511-Ptrc-riboswitch-hfq-TrbcL; Spe^R in WT