Survival and energy producing strategies of Alkane degraders under extreme conditions and their biotechnological potential

Chulwoo Park, Woojun Park

Research output: Contribution to journalReview article

4 Citations (Scopus)

Abstract

Many petroleum-polluted areas are considered as extreme environments because of co-occurrence of low and high temperatures, high salt, and acidic and anaerobic conditions. Alkanes, which are major constituents of crude oils, can be degraded under extreme conditions, both aerobically and anaerobically by bacteria and archaea of different phyla. Alkane degraders possess exclusive metabolic pathways and survival strategies, which involve the use of protein and RNA chaperones, compatible solutes, biosurfactants, and exopolysaccharide production for self-protection during harsh environmental conditions such as oxidative and osmotic stress, and ionic nutrient-shortage. Recent findings suggest that the thermophilic sulfate-reducing archaeon Archaeoglobus fulgidus uses a novel alkylsuccinate synthase for long-chain alkane degradation, and the thermophilic Candidatus Syntrophoarchaeum butanivorans anaerobically oxidizes butane via alkyl-coenzyme M formation. In addition, gene expression data suggest that extremophiles produce energy via the glyoxylate shunt and the Pta-AckA pathway when grown on a diverse range of alkanes under stress conditions. Alkane degraders possess biotechnological potential for bioremediation because of their unusual characteristics. This review will provide genomic and molecular insights on alkane degraders under extreme conditions.

Original languageEnglish
Article number1081
JournalFrontiers in Microbiology
Volume9
Issue numberMAY
DOIs
Publication statusPublished - 2018 May 25

Fingerprint

Alkanes
Archaea
Petroleum
Archaeoglobus fulgidus
Mesna
Environmental Biodegradation
Osmotic Pressure
Metabolic Networks and Pathways
Sulfates
Oxidative Stress
Salts
RNA
Bacteria
Gene Expression
Food
Temperature
Proteins

Keywords

  • Alkane oxidizer
  • Bioremediation
  • Energy production
  • Extremophiles
  • Survival strategies

ASJC Scopus subject areas

  • Microbiology
  • Microbiology (medical)

Cite this

Survival and energy producing strategies of Alkane degraders under extreme conditions and their biotechnological potential. / Park, Chulwoo; Park, Woojun.

In: Frontiers in Microbiology, Vol. 9, No. MAY, 1081, 25.05.2018.

Research output: Contribution to journalReview article

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