Table 1 Bacterial strains, plasmids, and primers used in this study
| Â | Features or sequences | Source |
|---|---|---|
Strains | ||
 Escherichia coli DH5α | Cloning host; F- endA1 glnV44 thi-1 recA1 relA1 gyrA96 deoR nupG Φ80dlacZΔM15 Δ(lacZYA-argF) U169, hsdR17(rK- mK +), λ– | Biofact |
 E. coli BL21 (DE3) | Expression host; F- ompT hsdSB(rB-mB-) gal dcm (DE3) | Real BioTech |
 Lactiplantibacillus plantarum SK151 | Display host, wild type | Our laboratory |
 Lp. plantarum SK156 | Display host, wild type | Our laboratory |
 Limosilactobacillus fermentum SK152 | Display host, wild type | Our laboratory |
 Lm. mucosae LM1 | Display host, wild type | Our laboratory |
 Lactobacillus johnsonii PF01 | Display host, wild type | Our laboratory |
Plasmids | ||
 pET21b ( +) | Expression vector; N-terminal 6His-tag, Ampr |  |
 pSfGFP | pET21b ( +) carrying 6 His-tagged sfGFP gene, Ampr | This study |
 pCSHA-sfGFP | pET21b ( +) carrying 6 His-tagged cshA-sfGFP fusion gene, Ampr | This study |
 pCB4270B-sfGFP | Plasmid containing sfGFP gene | [45] |
Primers | ||
 C1 | 5′-CCCCATATGAAAAAAACACGCGCC-3′ | This study |
 C2 | 5′-ACCCTTTGACATGCGTTTATCAGGAACATAGTG-3′ | This study |
 CS1 | 5′-GTTCCTGATAAACGCATGTCAAAGGGTGAAGAA-3′ | This study |
 CS2 | 5′-GGGCTCGAGCTTGTATAATTCATCCATACC-3′ | This study |
 S1 | 5′-GGGGCTAGCATGTCAAAGGGTGAAGAA-3′ | This study |
 S2 | 5′-GGGCTCGAGCTTGTATAATTCATCCATACCATG-3′ | This study |