ArticleCurrent microbiology2007
Influence of lipopolysaccharide on the surface proton-binding behavior of Shewanella spp.
Article in Current microbiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 14 citations in OpenAlex.
- Self-potential time series reveal emergent behavior in soil organic matter dynamics.Scientific reports · 2022Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study investigates the potentiometric properties of several strains of Shewanella spp. and determines whether these properties can be correlated with lipopolysaccharide (LPS) type. The LPS of eight Shewanella strains was characterized using silver-stained sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and their potentiometric properties determined using high-resolution acid-base titrations. Titrations showed that total ligand concentrations (L(T)) ranged from 0.903 +/- 0.007 micromol/mg (S. baltica 63) to 1.387 +/- 0.007 micromol/mg (S. amazonensis SB2B). Smooth strains (possessing O-side chains) exhibited higher mean L(T) values than rough strains (no O-side chain). A Tukey's honestly significantly different (HSD) test revealed, smooth strains exhibited significantly higher L(T) values than rough strains in 69% of comparisons. Comparison of individual pK(a) concentrations revealed that smooth LPS strains of Shewanella were relatively enriched in reactive groups at pK(a) 5, suggesting their LPS O-side chains contained detectable carboxyl groups. Combined pKa spectra from all eight Shewanella strains produced a common trend indicating that the way in which the surface proton-buffering capacity changes with pH is similar for the species studied here.
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