ArticlePloS one2012
Variation of serine-aspartate repeats in membrane proteins possibly contributes to staphylococcal microevolution.
Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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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
3 citing papers in PubMed, 5 citations in OpenAlex.
- Structural basis for SdgB- and SdgA-mediated glycosylation of staphylococcal adhesive proteins.Acta crystallographica. Section D, Structural biology · 2021Article
- Revisiting Bap Multidomain Protein: More Than Sticking Bacteria Together.Frontiers in microbiology · 2020Review
- Genetic variability in the sdrD gene in Staphylococcus aureus from healthy nasal carriers.BMC microbiology · 2018Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tandem repeats (either as microsatellites or minisatellites) in eukaryotic and prokaryotic organisms are mutation-prone DNA. While minisatellites in prokaryotic genomes are underrepresented, the cell surface adhesins of bacteria often contain the minisatellite SD repeats, encoding the amino acid pair of serine-asparatate, especially in Staphylococcal strains. However, their relationship to biological functions is still elusive. In this study, effort was made to uncover the copy number variations of SD repeats by bioinformatic analysis and to detect changes in SD repeats during a plasmid-based assay, as a first step to understand its biological functions. The SD repeats were found to be mainly present in the cell surface proteins. The SD repeats were genetically unstable and polymorphic in terms of copy numbers and sequence compositions. Unlike SNPs, the change of its copy number was reversible, without frame shifting. More significantly, a rearrangement hot spot, the ATTC/AGRT site, was found to be mainly responsible for the instability and reversibility of SD repeats. These characteristics of SD repeats may facilitate bacteria to respond to environmental changes, with low cost, low risk and high efficiency.
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Registered trials
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