The ecology of the extremely halophilic archaea

Aharon Oren*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

163 Scopus citations

Abstract

The extremely halophilic archaea (family Halobacteriaceae) are the dominant heterotrophic organisms in hypersaline environments in which salt concentrations exceed 250-300 g l-1. During the last decades our knowledge on the taxonomy, physiology and biochemistry of the Halobacterium group has greatly increased. However, our understanding of the ecology of the halophilic archaea lags far behind the progess made in the study of other aspects of their biology. A few hypersaline environments, such as the Dead Sea and solar salterns, have been studied more in depth, using techniques such as lipid analysis to obtain information on the types of organisms present and measurement of uptake of labeled substrates to quantify the dynamics of bacterial processes. The results of these studies, in combination with the information obtained from laboratory studies of representative isolates of the Halobacteriaceae, enable the beginning of an understanding of the functioning of the halophilic archaea in nature.

Original languageAmerican English
Pages (from-to)415-439
Number of pages25
JournalFEMS Microbiology Reviews
Volume13
Issue number4
DOIs
StatePublished - Apr 1994

Bibliographical note

Funding Information:
My studies on the ecology of halophilic archaea are presently supported by the Israel Science Foundation administered by the Israel Academy of Sciences and Humanities, and the Moshe Shilo Center for Marine Biogeochemistry, BMFT-Minerva Gesellschaft fiir Forschung, Mflnchen, FRG.

Keywords

  • Ecology
  • Haloalkaliphiles
  • Haloarcula
  • Halobacterium
  • Haloferax

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