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. 1968 Jan;95(1):169–173. doi: 10.1128/jb.95.1.169-173.1968

Salinity Effect on the Maximal Growth Temperature of Some Bacteria Isolated from Marine Environments1

Simon O Stanley a, Richard Y Morita b
PMCID: PMC251988  PMID: 5636814

Abstract

Salinity of the growth medium was found to have a marked effect on the maximal growth temperature of four bacteria isolated from marine sources. Vibrio marinus MP-1 had a maximal growth temperature of 21.2 C at a salinity of 35% and a maximal growth temperature of 10.5 C at a salinity of 7%, the lowest salinity at which it would grow. This effect was shown to be due to the presence of various cations in the medium. The order of effectiveness of cations in restoring the normal maximal growth temperature, when added to dilute seawater, was Na+ > Li+ > Mg++ > K+ > Rb+ > NH4+. The anions tested, with the exception of SO4=, had no marked effect on the maximal growth temperature response. In a completely defined medium, the highest maximal growth temperature was 20.0 C at 0.40 m NaCl. A decrease in the maximal growth temperature was observed at both low and high concentrations of NaCl.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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