Evidence map›Paper›PMID 32676626›Full record

ArticleMetallomics : integrated biometal science2020

Lindsey R Burcham, Rebecca A Hill, Rachel C Caulkins, Joseph P Emerson, Bindu Nanduri, Jason W Rosch, Nicholas C Fitzkee, Justin A Thornton

Open access · bronzeAbstract read
In one paragraph

Article in Metallomics : integrated biometal science, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
1.2field-weighted citation impact, top 23% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 14 citations in OpenAlex.

  1. Article
  2. Article
  3. Bacterial acquisition of host fatty acids has far-reaching implications on virulence.Microbiology and molecular biology reviews : MMBR · 2024
    Review
  4. Article
  5. Article
  6. Review
  7. Article
  8. Article
  9. SPD_0090 Negatively Contributes to Virulence ofFrontiers in microbiology · 2022
    Article
  10. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 1 country.

Lindsey R BurchamDepartment of Biological Sciences, Mississippi State University, Mississippi State MS 39762, USA. thornton@biology.msstate.edu.
Rebecca A HillDepartment of Chemistry, Mississippi State University, Mississippi State MS 39762, USA.
Rachel C CaulkinsDepartment of Biological Sciences, Mississippi State University, Mississippi State MS 39762, USA. thornton@biology.msstate.edu.
Joseph P EmersonDepartment of Chemistry, Mississippi State University, Mississippi State MS 39762, USA.
Bindu NanduriDepartment of Basic Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State MS 39762, USA.
Jason W RoschDepartment of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
Nicholas C FitzkeeDepartment of Chemistry, Mississippi State University, Mississippi State MS 39762, USA.
Justin A ThorntonDepartment of Biological Sciences, Mississippi State University, Mississippi State MS 39762, USA. thornton@biology.msstate.edu.ORCID 0000-0002-5182-796X
Mississippi State University · USSt. Jude Children's Research Hospital · US

Funding

Training and Mentoring Core P20GM103476 · NIGMS · UNIVERSITY OF SOUTHERN MISSISSIPPI · PI MICHAEL R GARRETT · 2012 to 2026
$60.2M
Zinc dependent conformational changes in AdcR and their impact on DNA bindingP20GM103646 · NIGMS · MISSISSIPPI STATE UNIVERSITY · PI THIBAUDEAU, GISELLE · 2013 to 2022
$21.1M
Structure, Orientation, and Competitive Interactions of S. Epidermidis Biofilm Proteins on SurfacesR01AI139479 · NIAID · MISSISSIPPI STATE UNIVERSITY · PI FITZKEE, NICHOLAS C · 2018 to 2022
$1.8M
Functionalized Gold Nanoparticles: Understanding the Mechanism of Protein BindingR15GM113152 · NIGMS · MISSISSIPPI STATE UNIVERSITY · PI FITZKEE, NICHOLAS C · 2015 to 2015
$339k
NIAID NIH HHS R01 AI139479NIGMS NIH HHS P20 GM103476NIGMS NIH HHS P20 GM103646NIGMS NIH HHS R15 GM113152
6 · The paper itself

Abstract

Streptococcus pneumoniae colonizes the human nasopharyngeal mucosa and is a leading cause of community-acquired pneumonia, acute otitis media, and bacterial meningitis. Metal ion homeostasis is vital to the survival of this pathogen across diverse biological sites and contributes significantly to colonization and invasive disease. Microarray and qRT-PCR analysis revealed an upregulation of an uncharacterized operon (SP1433-1438) in pneumococci subjected to metal-chelation by N,N,N',N'-tetrakis-(2-pyridylmethyl)ethylenediamine (TPEN). Supplementation of zinc, cobalt, and nickel following TPEN treatment significantly abrogated induction. BLASTP comparisons and protein topology analysis predicted this locus to encode components of ATP binding cassette (ABC) transporters involved in multidrug resistance (SP1434-1435) and energy-coupling factor (ECF) transporters (SP1436-1438). Inductively coupled plasma mass spectrometry (ICP-MS) analysis identified differences in intracellular metal content in a Δ1434-8 mutant strain compared to parental T4R. Further, analysis of the secreted metabolome of WT and Δ1434-8 strains identified significant changes in pneumococcal glycolytic and amino acid metabolic pathways, indicating a shift towards mixed acid fermentation. Additionally, proteomic analysis revealed differentially expressed proteins in the Δ1434-8 mutant strain, with nearly 20% regulated by the global catabolite repressor, CcpA. Based on these findings, we propose that the transporters encoded by SP1433-1438 are involved in regulating the central metabolism of S. pneumoniae and contributing to bacterial survival during metal stress.

Indexed as

MetabolomeAnti-Bacterial AgentsATP-Binding Cassette TransportersBacterial ProteinsHumansMetalsPneumococcal InfectionsStreptococcus pneumoniaeAnti-Bacterial AgentsATP-Binding Cassette TransportersBacterial ProteinsMetals

Identifiers

PMID32676626
PMCPMC7530088
OpenAlexW3043665879

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.