Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/28485
Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Proteogenomic Analysis of Epibacterium Mobile BBCC367, a Relevant Marine Bacterium Isolated From the South Pacific Ocean
Author(s): Matallana-Surget, Sabine
Werner, Johannes
Wattiez, Ruddy
Lebaron, Karine
Intertaglia, Laurent
Regan, Callum
Morris, James
Teeling, Hanno
Ferrer, Manuel
Golyshin, Peter N
Gerogiorgis, Dimitrios
Reilly, Simon I
Lebaron, Philippe
Keywords: Epibacterium mobile
proteogenomic
roseobacter
stress response and adaptation
quantitative proteomics
Issue Date: 21-Dec-2018
Citation: Matallana-Surget S, Werner J, Wattiez R, Lebaron K, Intertaglia L, Regan C, Morris J, Teeling H, Ferrer M, Golyshin PN, Gerogiorgis D, Reilly SI & Lebaron P (2018) Proteogenomic Analysis of Epibacterium Mobile BBCC367, a Relevant Marine Bacterium Isolated From the South Pacific Ocean. Frontiers in Microbiology, 9, Art. No.: 3125. https://doi.org/10.3389/fmicb.2018.03125.
Abstract: Epibacterium mobile BBCC367 is a marine bacterium that is common in coastal areas. It belongs to the Roseobacter clade, a widespread group in pelagic marine ecosystems. Species of the Roseobacter clade are regularly used as models to understand the evolution and physiological adaptability of generalist bacteria. E. mobile BBCC367 comprises two chromosomes and two plasmids. We used gel-free shotgun proteomics to assess its protein expression under 16 different conditions, including stress factors such as elevated temperature, nutrient limitation, high metal concentration, and UVB exposure. Comparison of the different conditions allowed us not only to retrieve almost 70% of the predicted proteins, but also to define three main protein assemblages: 584 essential core proteins, 2,144 facultative accessory proteins and 355 specific unique proteins. While the core proteome mainly exhibited proteins involved in essential functions to sustain life such as DNA, amino acids, carbohydrates, cofactors, vitamins and lipids metabolisms, the accessory and unique proteomes revealed a more specific adaptation with the expression of stress-related proteins, such as DNA repair proteins (accessory proteome), transcription regulators and a significant predominance of transporters (unique proteome). Our study provides insights into how E. mobile BBCC367 adapts to environmental changes and copes with diverse stresses.
DOI Link: 10.3389/fmicb.2018.03125
Rights: © 2018 Matallana-Surget, Werner, Wattiez, Lebaron, Intertaglia, Regan, Morris, Teeling, Ferrer, Golyshin, Gerogiorgis, Reilly and Lebaron. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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