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Reporting Key Features in Cold-Adapted Bacteria

1
Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, C1428EGA Buenos Aires, Argentina
2
IQUIBICEN, CONICET, C1428EGA Buenos Aires, Argentina
*
Author to whom correspondence should be addressed.
Received: 30 January 2018 / Revised: 6 March 2018 / Accepted: 12 March 2018 / Published: 13 March 2018
(This article belongs to the Special Issue Extremophiles and the Origin of Life)
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Abstract

It is well known that cold environments are predominant over the Earth and there are a great number of reports analyzing bacterial adaptations to cold. Most of these works are focused on characteristics traditionally involved in cold adaptation, such as the structural adjustment of enzymes, maintenance of membrane fluidity, expression of cold shock proteins and presence of compatible solutes. Recent works based mainly on novel “omic” technologies have presented evidence of the presence of other important features to thrive in cold. In this work, we analyze cold-adapted bacteria, looking for strategies involving novel features, and/or activation of non-classical metabolisms for a cold lifestyle. Metabolic traits related to energy generation, compounds and mechanisms involved in stress resistance and cold adaptation, as well as characteristics of the cell envelope, are analyzed in heterotrophic cold-adapted bacteria. In addition, metagenomic, metatranscriptomic and metaproteomic data are used to detect key functions in bacterial communities inhabiting cold environments. View Full-Text
Keywords: psychrophile; energy generation; polyhydroxyalkanoates; cell envelopes; cold-adapted bacterial communities psychrophile; energy generation; polyhydroxyalkanoates; cell envelopes; cold-adapted bacterial communities
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Tribelli, P.M.; López, N.I. Reporting Key Features in Cold-Adapted Bacteria. Life 2018, 8, 8.

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