ArticleExtremophiles : life under extreme conditions2013
Organic solutes in the deepest phylogenetic branches of the Bacteria: identification of α(1-6)glucosyl-α(1-2)glucosylglycerate in Persephonella marina.
Article in Extremophiles : life under extreme conditions, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 14 citations in OpenAlex.
- Osmotic stress response of the coral and oyster pathogenApplied and environmental microbiology · 2024Article
- Molecular evolution steered structural adaptations in the DNA polymerase III α subunit of halophilic bacterium Salinibacter ruber.Extremophiles : life under extreme conditions · 2023Article
- Solutions: how adaptive changes in cellular fluids enable marine life to cope with abiotic stressors.Marine life science & technology · 2022Review
- Comparison of the compatible solute pool of two slightly halophilic planctomycetes species, Gimesia maris and Rubinisphaera brasiliensis.Extremophiles : life under extreme conditions · 2016Article
- Molecular chaperone accumulation as a function of stress evidences adaptation to high hydrostatic pressure in the piezophilic archaeon Thermococcus barophilus.Scientific reports · 2016Article
- Microbial diversity and adaptation to high hydrostatic pressure in deep-sea hydrothermal vents prokaryotes.Extremophiles : life under extreme conditions · 2015Article
- A unique glyceryl diglycoside identified in the thermophilic, radiation-resistant bacterium Rubrobacter xylanophilus.Extremophiles : life under extreme conditions · 2015Article
- Mycobacterium hassiacum recovers from nitrogen starvation with up-regulation of a novel glucosylglycerate hydrolase and depletion of the accumulated glucosylglycerate.Scientific reports · 2014Article
- Mannosylglycerate: structural analysis of biosynthesis and evolutionary history.Extremophiles : life under extreme conditions · 2014Review
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The accumulation of organic solutes was investigated in the thermophilic bacteria Persephonella marina and Marinitoga piezophila, two representatives of the deepest lineages in the domain Bacteria. These organisms grow optimally at around 70 °C in medium containing 3 % NaCl. A new disaccharide, accumulating in Persephonella marina, was identified as α(1-6)glucosyl-α(1-2)glucosylglycerate (GGG), by nuclear magnetic resonance. This identification was validated by comparison with the spectra of the compound obtained by chemical synthesis. Besides GGG, the solute pool of Persephonella marina comprised β-glutamate, di-myo-inositol-1,3'-phosphate and 2-O-α-glucosylglycerate. In contrast, amino acids such as α-glutamate, proline and alanine were the dominant components of the solute pool of Marinitoga piezophila and sugar derivatives were absent. The ability of GGG to protect protein structure against heat denaturation was assessed using model proteins. A genomic search for the biosynthetic pathways of known ionic solutes in Aquificales and Thermotogales shows the inability of this analysis to predict the nature of compatible solutes and underlines the need for efficient cultivation techniques.
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