Table 2 Strains used in study.

Sender

BW27783

A6c_LuxI_GFP^a

⁶¹

Receiver

MG1655z1

E2c_LuxR_RFP^a

⁶²

Activator

CY027 (E. coli ΔlacI ΔaraC ΔsdiA Ptrc^a-cinR Ptrc^a-rhlR) Addgene #72402

pC220 (Addgene #65877) and pC239 (Addgene #65953)

⁴³

Repressor

CY027 (E. coli ΔlacI ΔaraC ΔsdiA Ptrc^a-cinR Ptrc^a-rhlR) Addgene #72402

pC236 (Addgene #65951) and pC239 (Addgene #65953)

⁴³

ΔmetA

BW25113

A6c_GFP^a

⁶³

ΔpheA

BW25113

A6c_RFP^a

⁶³