Evidence map›Paper›PMID 17301237›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2007

Biotin uptake in prokaryotes by solute transporters with an optional ATP-binding cassette-containing module.

Peter Hebbeln, Dmitry A Rodionov, Anja Alfandega, Thomas Eitinger

Erratum issuedOpen access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 81 papers.

0numbers the graph read from it
0cells of the map it votes in
81citing papers in PubMed
3.8field-weighted citation impact, top 6% 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

81 citing papers in PubMed, 148 citations in OpenAlex.

  1. Genomes of NBMC genomics · 2026
    Article
  2. Article
  3. Review
  4. Microorganisms · 2025
    Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Iminoboronates as Dual-Purpose Linkers in Chemical Probe Development.Chemistry (Weinheim an der Bergstrasse, Germany) · 2021
    Article
  16. Article
  17. The Influence of Genes on the "Killer Plasmid" ofFrontiers in microbiology · 2021
    Article
  18. Vitamin and cofactor acquisition in apicomplexans: SynthesisThe Journal of biological chemistry · 2020
    Review
  19. Review
  20. Evolution ofPeerJ · 2020
    Article

21 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

4 authors at 2 institutions in 2 countries.

Peter HebbelnInstitut für Biologie/Mikrobiologie, Humboldt-Universität zu Berlin, Chausseestrasse 117, 10115 Berlin, Germany.
Dmitry A Rodionov
Anja Alfandega
Thomas Eitinger
Humboldt-Universität zu Berlin · DEInstitute for Information Transmission Problems · RU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BioMNY proteins are considered to constitute tripartite biotin transporters in prokaryotes. Recent comparative genomic and experimental analyses pointed to the similarity of BioMN to homologous modules of prokaryotic transporters mediating uptake of metals, amino acids, and vitamins. These systems resemble ATP-binding cassette-containing transporters and include typical ATPases (e.g., BioM). Absence of extracytoplasmic solute-binding proteins among the members of this group, however, is a distinctive feature. Genome context analyses uncovered that only one-third of the widespread bioY genes are linked to bioMN. Many bioY genes are located at loci encoding biotin biosynthesis, and others are unlinked to biotin metabolic or transport genes. Heterologous expression of the bioMNY operon and of the single bioY of the alpha-proteobacterium Rhodobacter capsulatus conferred biotin-transport activity on recombinant Escherichia coli cells. Kinetic analyses identified BioY as a high-capacity transporter that was converted into a high-affinity system in the presence of BioMN. BioMNY-mediated biotin uptake was severely impaired by replacement of the Walker A lysine residue in BioM, demonstrating dependency of high-affinity transport on a functional ATPase. Biochemical assays revealed that BioM, BioN, and BioY proteins form stable complexes in membranes of the heterologous host. Expression of truncated bio transport operons, each with one gene deleted, resulted in stable BioMN complexes but revealed only low amounts of BioMY and BioNY aggregates in the absence of the respective third partner. The results substantiate our earlier suggestion of a mechanistically novel group of membrane transporters.

Indexed as

Adenosine TriphosphatasesATP-Binding Cassette TransportersBacterial ProteinsBiological TransportBiotinComputational BiologyEscherichia coliGenomicsKineticsProkaryotic CellsProtein Structure, TertiaryRecombinant ProteinsRhodobacter capsulatusAdenosine TriphosphatasesATP-Binding Cassette TransportersBacterial ProteinsBiotinRecombinant Proteins

Identifiers

PMID17301237
PMCPMC1815280
OpenAlexW2087616530

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.