Do you have a protocol for the isolation of RNA from bacterial cultures using RNAprotect Bacteria Reagent and QIAzol Lysis Reagent?

Yes, please follow the protocol in the RNAprotect Bacteria Reagent Handbook in Appendix D:  Stabilization and Purification of Bacterial RNA Using RNAprotect Bacteria Reagent, the RNeasy Lipid Tissue Mini Kit, and the TissueLyser.