Table 4.
Potential of S. xylosus C2a to cope with oxidative/nitrosative stress.
| Detoxifying Enzymes | Protein Damage Repair | Iron Homeostasis | |||
|---|---|---|---|---|---|
| SXYL_01303 (sodA) | Superoxide dismutase [Mn/Fe] | SXYL_00374 | Thioredoxin | SXYL_00747-50 (sfaDCBA) | Siderophore biosynthesis Staphyloferrin A |
| SXYL_02505 (katA) | Catalase A | SXYL_01797 (trxA) | Thioredoxin | SXYL_00751-3 (htsABC) | Iron compound ABC transporter, Staphyloferrin A * |
| SXYL_01551 (katB) | Catalase B * | SXYL_02083 (trxB) | Thioredoxin reductase * | SXYL_02113-16 (sstDCBA) | Iron compound ABC transporter, Staphyloferrin B * |
| SXYL_02533 (katC) | Catalase C * | SXYL_00519 | Thioredoxin-like protein | SXYL_02201-3 (fhuGBC) | ABC-type cobalamin/Fe3+-siderophores transport system * |
| SXYL_01572 (bsaA) | Glutathione peroxidase | SXYL_01851 | Glutaredoxin | SXYL_02681 (fhuD2) | Iron(3+)-hydroxamate-binding protein * |
| SXYL_01153 (tpx) | Thiol peroxidase | SXYL_01517 (msrA1) | Peptide methionine sulphoxide reductase | SXYL_00667 (fhuD1) | Iron(3+)-hydroxamate-binding protein * |
| SXYL_02534-35 (ahpCF) | Alkyl hydroperoxide reductase * | SXYL_01516 | Regulator MsrR | SXYL_00944 (ftnA) | Ferritin * |
| SXYL_00973 (bcp) |
Bacterioferritin comigratory protein Thioreductase peroxidase |
SXYL_0019-21 (msrA2BA3) | Peptide methionine sulphoxide reductase | SXYL_00973 (bcp) | Bacterioferritin comigratory protein |
| SXYL_02021 | Nitroreductase | ||||
| SXYL_00229 | Nitroreductase | ||||
| SXYL_00410 | Nitroreductase | ||||
| SXYL_00895 | Nitroreductase * | ||||
| SXYL_00923 (nos) | Nitric oxide synthase | ||||
* Genes under PerR or Fur regulation. In red, genes overexpressed in a meat model with curing salts.