Research Article
Role of Mn2+ and Compatible Solutes in the Radiation Resistance of Thermophilic Bacteria and Archaea
Table 2
Concentrations of amino acids, PO4, and compatible solutes in thermophiles and radiation-sensitive bacteria UFs and thermophiles ethanol extracts.
| | Conc. In: | | Ultrafiltrates (mM) | Ethanol extracts (μmol/mg protein) | Organism | Amino Acids | PO4 | Trehalose | MG | DIP | Trehalose | MG | DIP | Free | Total |
| P. putida
a | 52 | 121 | 4.5 | nd | nd | nd | | | | E. coli
a | 80 | 181 | 5.9 | nd | nd | nd | | | | H. salinarum
a | 325 | 642 | 22 | nd | nd | nd | | | | R. xylanophilus | 87 | 115 | 10 | 17 | 99 | 33 | 1.5 | 3.0 | 0.7 | R. radiotolerans | 134 | 159 | 24 | 29 | 64 | —b | 1.7 | 2.4 | nd | P. furiosus | 15 | 35 | 5.4 | nd | 52 | 6 | nd | 0.2 | 0.04 | T. gammatolerans | 221 | 235 | 19 | nd | 10 | 2.3 | nd | 0.1 | 0.05 |
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aFrom [11].
bNot detected. nd: not determined.
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