TABLE 5.
Effects of hydrogen uptake on gene expression
| RPA or operon no.a | Gene name | Avg expression ratio (wild type/hupS)b | Annotation |
|---|---|---|---|
| 0274-0275 | glnK2-amtB2 | 2.3 | Nitrogen PII regulatory protein-ammonia transporter |
| 0429 | katG | 0.4 | Catalase/peroxidase |
| 0713-0718 | cobUWNO | 2.5 | Cobalamin biosynthesis |
| 1063 | 5.2 | Conserved hypothetical protein | |
| 1886 | 0.4 | Hypothetical protein | |
| 2061 | nosZ | 2.5 | Nitrous oxide reductase precursor |
| 2083-2086 | cobBM cbiG cobL | 2.1 | Cobalamin biosynthesis |
| 2094-2097 | cobTQF | 9.2 | Cobalamin biosynthesis |
| 2116 | 0.4 | Hypothetical protein | |
| 2117 | 0.4 | Putative flavodoxin | |
| 2121 | 0.5 | Conserved hypothetical | |
| 2977 | nrd | 2.3 | Ribonucleotide reductase |
| 3329 | 0.4 | Conserved hypothetical | |
| 3665-3669 | 2.5 | Urea transport | |
| 4222 | 0.5 | Hypothetical protein | |
| 4803 | 3.1 | Outer membrane siderophore receptor |
a
RPAs forming putative operons are grouped, and the values shown represent the gene with the highest average expression ratio.
b
Cells were grown under nitrogen-fixing conditions in the presence of 10 mM malate. Data are averages of duplicates from three different experiments.