Research Article
Role of Mn2+ and Compatible Solutes in the Radiation Resistance of Thermophilic Bacteria and Archaea
Table 1
Concentrations of Mn and Fe in ultrafiltrates (UFs) and whole cells of thermophiles and radiation-sensitive bacteria.
| | Conc. In: | | Ultrafiltrates | Whole cells | Organism | | Genome | Mn | Fe | Mn/Fe | Mn | Fe | Mn/Fe | (kG) | (Mbp) | (μM) | (μM) | (ng/109 cells) | (ng/109 cells) |
| P. putida
b | 0.1 | 6.2 | 0.9 | 6.1 | 0.1 | 18 | 1045 | 0.02 | E. coli
b | 0.5 | 4.6 | 0.6 | 3.5 | 0.2 | 14 | 645 | 0.02 | H. salinarum
b | 5 | 2.6 | 87 | 8.9 | 9.8 | 155 | 818 | 0.19 | R. xylanophilus | 6 | 3.2 | 79 | 8.2 | 9.6 | 549 | 290 | 1.9 | R. radiotolerans | 10 | 3.4 | 211 | 18 | 11.8 | 300 | 340 | 0.88 | P. furiosus | 3 | 1.9 | 5.3 | 113 | 0.1 | 14 | 345 | 0.04 | T. gammatolerans | 6 | 2.1 | 6.3 | 15 | 0.4 | 3 | 235 | 0.01 |
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aDose at which viable cells are reduced to 10% of the population.
bFrom [11].
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