ArticleApplied and environmental microbiology2011
Cytoplasmic and periplasmic proteomic signatures of exponentially growing cells of the psychrophilic bacterium Pseudoalteromonas haloplanktis TAC125.
Article in Applied and environmental microbiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 24 citations in OpenAlex.
- The hidden microbial ecosystem in the perennial ice from a Pyrenean ice cave.Frontiers in microbiology · 2023Article
- Soluble Recombinant Protein Production in Pseudoalteromonas haloplanktis TAC125: The Case Study of the Full-Length Human CDKL5 Protein.Methods in molecular biology (Clifton, N.J.) · 2022Article
- Improvement ofMicroorganisms · 2020Article
- Aliivibrio wodanis as a production host: development of genetic tools for expression of cold-active enzymes.Microbial cell factories · 2019Article
- New insights on Pseudoalteromonas haloplanktis TAC125 genome organization and benchmarks of genome assembly applications using next and third generation sequencing technologies.Scientific reports · 2019Article
- The Synergistic Effect of Exogenous Glutamine and Rifampicin AgainstFrontiers in microbiology · 2018Article
- Ecology of cold environments: new insights of bacterial metabolic adaptation through an integrated genomic-phenomic approach.Scientific reports · 2017Article
- Modelling microbial metabolic rewiring during growth in a complex medium.BMC genomics · 2016Article
- Predicted protein subcellular localization in dominant surface ocean bacterioplankton.Applied and environmental microbiology · 2012Article
- Identification of cold-inducible inner membrane proteins of the psychrotrophic bacterium, Shewanella livingstonensis Ac10, by proteomic analysis.Extremophiles : life under extreme conditions · 2012Article
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Authors and funding
12 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The psychrophilic model bacterium Pseudoalteromonas haloplanktis is characterized by remarkably fast growth rates under low-temperature conditions in a range from 5°C to 20°C. In this study the proteome of cellular compartments, the cytoplasm and periplasm, of P. haloplanktis strain TAC125 was analyzed under exponential growth conditions at a permissive temperature of 16°C. By means of two-dimensional protein gel electrophoresis and mass spectrometry, a first inventory of the most abundant cytoplasmic and periplasmic proteins expressed in a peptone-supplemented minimal medium was established. By this approach major enzymes of the amino acid catabolism of this marine bacterium could be functionally deduced. The cytoplasmic proteome showed a predominance of amino acid degradation pathways and tricarboxylic acid (TCA) cycle enzymes but also the protein synthesis machinery. Furthermore, high levels of cold acclimation and oxidative stress proteins could be detected at this moderate growth temperature. The periplasmic proteome was characterized by a significant abundance of transporters, especially of highly expressed putative TonB-dependent receptors. This high capacity for protein synthesis, efficient amino acid utilization, and substrate transport may contribute to the fast growth rates of the copiotrophic bacterium P. haloplanktis in its natural environments.
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