Abstract
A halotolerantPlanococcus (strain A4a) was isolated from saline Antarctic Dry Valley soil.Planococcus strain A4a grew over wide ranges of temperature (0°C−40°C) and NaCl concentrations (0–2.0M). When the NaCl concentration of the growth medium was increased, the total intracellular free amino acid concentration increased; however, the intracellular potassium concentration did not increase. This result suggested that intracellular free amino acids functioned as compatible solutes for growth ofPlanococcus strain A4a at elevated NaCl concentrations. The halotolerant and psychrotolerant nature ofPlanococcus strain A4a would appear to provide it with the capacity for growth in the saline Antarctic Dry Valley soil environment from which it was isolated.
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Miller, K.J., Leschine, S.B. A halotolerantPlanococcus from Antarctic Dry Valley soil. Current Microbiology 11, 205–209 (1984). https://doi.org/10.1007/BF01567161
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DOI: https://doi.org/10.1007/BF01567161