Respiratory Chains from Aerobic Thermophilic Prokaryotes

Manuela M. Pereira, Tiago M. Bandeiras, Andreia S. Fernandes, Rita S. Lemos, Ana M.P. Melo, Miguel Teixeira

Research output: Contribution to journalShort survey

32 Citations (Scopus)

Abstract

Thermophiles are organisms that grow optimally above 50°C and up to ∼120°C. These extreme conditions must have led to specific characteristics of the cellular components. In this paper we extensively analyze the types of respiratory complexes from thermophilic aerobic prokaryotes. The different membrane-bound complexes so far characterized are described, and the genomic data available for thermophilic archaea and bacteria are analyzed. It is observed that no specific characteristics can be associated to thermophilicity as the different types of complexes I-IV are present randomly in thermophilic aerobic organisms, as well as in mesophiles. Rather, the extensive genomic analyses indicate that the differences concerning the several complexes are related to the organism phylogeny, i.e., to evolution and lateral gene transfer events.

Original languageEnglish
Pages (from-to)93-105
Number of pages13
JournalJournal Of Bioenergetics And Biomembranes
Volume36
Issue number1
DOIs
Publication statusPublished - 1 Feb 2004

Keywords

  • Complex I
  • Cytochrome c oxidase
  • Oxygen reductase
  • Succinate dehydrogenase

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