期刊
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
卷 103, 期 7, 页码 2857-2871出版社
SPRINGER
DOI: 10.1007/s00253-019-09659-5
关键词
Psychrophiles; Cell envelope; Cryoprotection; Enzymes; Chaperones; Metabolic adjustments
资金
- FCT
- ESF
- POPH
- Investigador FCT Programme [IF/01635/2014]
- ERDF through project EcoAgriFood via the North Portugal Regional Operational Programme (NORTE 2020) under the PORTUGAL 2020 Partnership Agreement [NORTE-01-0145-FEDER-000009]
- FCT through the project EngXyl [EXPL/BBB-BIO/1772/2013-FCOMP-01-0124-FEDER-041595]
- FCT through the strategic programme at the CBMA [UID/BIA/04050/2019]
- Fundação para a Ciência e a Tecnologia [EXPL/BBB-BIO/1772/2013] Funding Source: FCT
Cold-adapted microorganisms inhabiting permanently low-temperature environments were initially just a biological curiosity but have emerged as rich sources of numerous valuable tools for application in a broad spectrum of innovative technologies. To overcome the multiple challenges inherent to life in their cold habitats, these microorganisms have developed a diverse array of highly sophisticated synergistic adaptations at all levels within their cells: from cell envelope and enzyme adaptation, to cryoprotectant and chaperone production, and novel metabolic capabilities. Basic research has provided valuable insights into how these microorganisms can thrive in their challenging habitat conditions and into the mechanisms of action of the various adaptive features employed, and such insights have served as a foundation for the knowledge-based development of numerous novel biotechnological tools. In this review, we describe the current knowledge of the adaptation strategies of cold-adapted microorganisms and the biotechnological perspectives and commercial tools emerging from this knowledge. Adaptive features and, where possible, applications, in relation to membrane fatty acids, membrane pigments, the cell wall peptidoglycan layer, the lipopolysaccharide component of the outer cell membrane, compatible solutes, antifreeze and ice-nucleating proteins, extracellular polymeric substances, biosurfactants, chaperones, storage materials such as polyhydroxyalkanoates and cyanophycins and metabolic adjustments are presented and discussed.
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