Table 5.
List of genes identified in the chromosome sequence of at least four L. brevis beer spoiler strains. 26 genes coding for hypothetical proteins were also identified
| COG category and protein function | L. brevis beer-spoiler strains | ||||||
|---|---|---|---|---|---|---|---|
| TMW1.2108 | TMW1.2111 | TMW1.2112 | TMW1.2113 | UCCLB95 | UCCLBBS124 | UCCLBBS449 | |
| Energy production and conversion | |||||||
| Flavodoxin | + | + | + | + | + | + | + |
| NADH-Flavin reductase | + | + | – | – | + | + | + |
| Oxidoreductase | + | + | + | + | + | + | + |
| NADPH:quinone reductase | + | + | – | – | + | + | + |
| FMN-dependent NADH-azoreductase | + | + | – | – | + | + | + |
| Nitrobenzoate reductase | + | + | – | – | + | + | + |
| Amino acid transport and metabolism | |||||||
| Shikimate dehydrogenase | + | + | + | + | + | + | + |
| Acetyltransferase GNAT family | + | + | – | – | + | + | + |
| Serine O-acetyltransferase EC | + | + | – | – | + | + | + |
| Carbohydrate transport and metabolism | |||||||
| MFS transporter | + | + | – | – | + | + | + |
| Alpha-glucosidase | + | + | + | + | + | + | + |
| lycoside hydrolase | + | + | – | – | – | + | + |
| Hydrolase | + | + | + | + | + | + | + |
| Transketolase | + | + | + | + | – | – | – |
| MFS transporter | + | + | + | – | + | + | – |
| PTS system2C IIA component 1 | + | + | – | – | + | + | + |
| Putative integral membrane protein 1 | + | + | – | – | + | + | + |
| PTS2C EIIB 1 | + | + | – | – | + | + | + |
| PTS mannitol transporter subunit IIA | + | + | – | – | + | + | + |
| Putative oligogalacturonide transporter | + | + | + | + | + | – | + |
| Coenzyme transport and metabolism | |||||||
| 6-pyruvoyl tetrahydropterin synthase | + | + | + | + | – | + | – |
| Lipid transport and metabolism | |||||||
| NADH peroxidase | + | + | + | + | + | + | + |
| Peroxidase | + | + | – | – | + | + | + |
| Citrate lyase | + | + | – | – | + | + | + |
| Transcription | |||||||
| Transcriptional regulator2C TetR family | + | + | – | – | + | + | + |
| Transcriptional regulator | + | + | + | + | + | + | + |
| Transcriptional regulator TetR family | + | + | – | – | + | + | + |
| Transcriptional regulator | + | + | + | + | + | + | + |
| Internalin-J | – | + | + | + | + | + | + |
| RNA polymerase sigma-24 subunit ECF subfamily | + | + | + | + | + | + | + |
| ECF-type sigma factor negative effector | + | + | + | + | + | + | + |
| Transcriptional regulator | + | + | + | + | + | + | + |
| Transcriptional regulator MarR family | + | + | – | – | + | + | + |
| Transcriptional regulator | + | + | – | – | + | + | + |
| Transcriptional regulator MarR family | + | + | – | – | + | + | + |
| Transcriptional regulator TetR | + | + | – | – | – | + | + |
| Transcriptional regulator ArsR family | + | + | – | – | + | + | + |
| Cell wall/membrane/envelope biogenesis | |||||||
| Membrane protein | + | + | – | + | – | + | – |
| Cell surface protein | + | + | + | + | – | – | – |
| Cell surface protein | + | + | – | – | – | + | + |
| Endo polygalacturonase | + | + | + | + | – | – | + |
| Glutamyl endopeptidase precursor | + | + | + | + | + | + | + |
| NLP-P60 protein | + | + | + | + | + | + | + |
| Short-chain dehydrogenase-oxidoreductase | + | + | – | – | + | + | + |
| Inorganic ion transport and metabolism | |||||||
| Permease | + | + | + | + | + | + | + |
| Permease | + | + | + | + | + | – | + |
| Na + −H+ antiporter | + | + | – | – | + | + | – |
| General function prediction only | |||||||
| NADPH-quinone reductase | + | + | + | + | + | + | + |
| Short-chain dehydrogenase-oxidoreductase | + | + | + | + | + | + | + |
| Short-chain dehydrogenase | + | + | + | + | + | + | – |
| Cell surface adherence protein | – | – | + | + | + | + | + |
| Mucus-binding protein LPXTG-motif cell wall anchor | + | + | + | + | + | – | + |
| Function unknown | |||||||
| Cell surface hydrolase | + | + | + | + | + | + | + |
| Membrane protein | + | + | + | + | – | + | + |
| Cell surface protein | + | + | – | – | + | + | + |
| Defence mechanisms | |||||||
| ABC transporter ATP-binding protein | + | + | + | + | + | + | + |
| ABC transporter permease | + | + | + | + | + | + | + |
| Prophage protein | + | + | + | + | – | – | + |
+: gene present, −: gene absent