Halobacterium salinarum: Life with more than a grain of salt

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Abstract

Halobacterium salinarum is a halophilic (salt-loving) archaeon that grows in salt concentrations near or at saturation. Although isolated from salted fish a century ago, it was the 1971 discovery of bacteriorhodopsin, the light-driven proton pump, that raised interest in Hbt. salinarum across a range of disciplines, including biophysics, chemistry, molecular evolution and biotechnology. Hbt. salinarum have since contributed to numerous discoveries, such as advances in membrane protein structure determination and the first example of a non-eukaryal glycoprotein. Work on Hbt. salinarum, one of the species used to define Archaea, has also elucidated molecular workings in the third domain. Finally, Hbt. salinarum presents creative solutions to the challenges of life in high salt.

Original languageEnglish
Article number001327
JournalMicrobiology (United Kingdom)
Volume169
Issue number4
DOIs
StatePublished - 1 Jan 2023

Keywords

  • Archaea
  • Halobacterium salinarum
  • halophiles

ASJC Scopus subject areas

  • Microbiology

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