Evidence map›Paper›PMID 20028816›Full record

ArticleAntimicrobial agents and chemotherapy2010

Synergistic antimicrobial activities of folic acid antagonists and nucleoside analogs.

Johannes Zander, Silke Besier, Hanns Ackermann, Thomas A Wichelhaus

Open access · greenAbstract read
In one paragraph

Article in Antimicrobial agents and chemotherapy, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
1.1field-weighted citation impact, top 20% 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

8 citing papers in PubMed, 27 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Nucleoside Analogues as Antibacterial Agents.Frontiers in microbiology · 2019
    Review
  6. Article
  7. Article
  8. 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

4 authors at 1 institution in 1 country.

Johannes ZanderInstitute of Medical Microbiology and Infection Control, Hospital of Goethe University, Paul Ehrlich Str. 40, 60596 Frankfurt/Main, Germany. Johannes.Zander@kgu.de
Silke Besier
Hanns Ackermann
Thomas A Wichelhaus
Goethe University Frankfurt · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The antimicrobial activities of folic acid antagonists are supposed to be antagonized by elevated extracellular thymidine concentrations in damaged host tissues. Therefore, this study was aimed at screening for nucleoside analogs that impair bacterial thymidine utilization and analyzing the combined antimicrobial activities of nucleoside analogs and folic acid antagonists in the presence of thymidine. Our screening results revealed that different nucleoside analogs, in particular halogenated derivatives of 2'-deoxyuridine, substantially impaired the bacterial utilization of extracellular thymidine in Staphylococcus aureus. Time-kill methods showed that 5-iodo-2'-deoxyuridine enhanced the extent of killing of trimethoprim-sulfamethoxazole (SXT) at 24 h against S. aureus in the presence of thymidine (200 microg/liter). While SXT (40 mg/liter) alone did not kill bacteria in the presence of thymidine, its combination with the nucleoside analog at a concentration of 8 mumol/liter showed a bactericidal effect. Moreover, 5-iodo-2'-deoxyuridine combined with SXT in the presence of thymidine showed a broad spectrum of activity against several Gram-positive and Gram-negative bacteria. In conclusion, these data provide evidence that the in vitro antimicrobial activity of SXT in the presence of thymidine can be significantly improved by combination with a nucleoside analog.

Indexed as

NucleosidesAnti-Bacterial AgentsDrug SynergismFolic Acid AntagonistsGram-Negative BacteriaGram-Positive BacteriaHumansIdoxuridineMicrobial Sensitivity TestsNucleic Acid Synthesis InhibitorsStaphylococcus aureusThymidineTrimethoprim, Sulfamethoxazole Drug CombinationAnti-Bacterial AgentsFolic Acid AntagonistsIdoxuridineNucleic Acid Synthesis InhibitorsNucleosidesThymidineTrimethoprim, Sulfamethoxazole Drug Combination

Identifiers

PMID20028816
PMCPMC2826018
OpenAlexW2158551171

What OpenQuestion holds

Textmetadata
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.