Abstract
The growth behavior and the proteomic response after a cold shock were investigated in the psychrophilic Antarctic bacterium Pseudoalteromonas haloplanktis. Remarkably, no cold-induced proteins were observed in the proteome, whereas some key proteins were repressed. This suggests noticeable differences in the cold shock response between a true psychrophile and mesophiles.
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Acknowledgments
We thank E. De Pauw for access to the GIGA mass spectrometry facilities. This work was supported by F.R.S.-FNRS (National Fund for Scientific Research), Belgium (FRFC grants to G.F., FRSM grant to P.L.). P.L. is a F.R.S.-FNRS research associate and F.P. was supported by the European Space Agency (Exanam-Prodex Experiment Arrangement).
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Communicated by H. Atomi.
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Piette, F., Leprince, P. & Feller, G. Is there a cold shock response in the Antarctic psychrophile Pseudoalteromonas haloplanktis?. Extremophiles 16, 681–683 (2012). https://doi.org/10.1007/s00792-012-0456-x
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DOI: https://doi.org/10.1007/s00792-012-0456-x