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Abstract

Genomes are available for a wide range of psychrophilic bacteria and archaea. As of early 2017, approximately 130 cold-adapted species have genome sequences. Several studies complement this data with functional studies. In this review the cold adaptation traits of psychrophilic microorganisms are explored from a genome-centric point of view including surveys of traits across genomes. A broader view of psychrophiles in terms of growth rates amongst life on Earth explaining what a psychrophile represents is presented. Trait surveys, limited to the perspective of gene gain, reveal prevalence of genes demonstratively providing better growth at low temperature including compatible solute uptake and synthesis, antifreeze proteins and polyunsaturated fatty acids and investigate their functional relevance to psychrophily. This includes revealing prevalent antifreeze DUF3494-type proteins that occur in all domains of life but is limited to cold-adapted taxa and is absent in higher-temperature adapted life.

Item Type:	Book Section
Authors/Creators:	Bowman, JP
Keywords:	genomics, psychrophilic bacteria, psychrophiles, traits
Publisher:	Springer
DOI / ID Number:	https://doi.org/10.1007/978-3-319-57057-0_15
Copyright Information:	Copyright 2017 Springer International Publishing AG
Related URLs:	Google Scholar: Bowman, JP UTAS Profile: Bowman, JP
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