Evidence map›Paper›PMID 22106380›Full record

ArticleHuman molecular genetics2012

BLM helicase facilitates RNA polymerase I-mediated ribosomal RNA transcription.

Patrick M Grierson, Kate Lillard, Gregory K Behbehani, Kelly A Combs, Saumitri Bhattacharyya, Samir Acharya, Joanna Groden

Open access · bronzeAbstract read
In one paragraph

Article in Human molecular genetics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed
1.5field-weighted citation impact, top 18% 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

40 citing papers in PubMed, 57 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
  4. Article
  5. Article
  6. Review
  7. It Takes a Village of Chromatin Remodelers to Regulate rDNA Expression.International journal of molecular sciences · 2025
    Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Human RecQ Helicases in DNA Double-Strand Break Repair.Frontiers in cell and developmental biology · 2021
    Review
  14. Article
  15. Review
  16. Review
  17. Review
  18. Keeping ribosomal DNA intact: a repeating challenge.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2019
    Review
  19. The peculiar genetics of the ribosomal DNA blurs the boundaries of transgenerational epigenetic inheritance.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2019
    Review
  20. Fanconi anemia protein FANCI functions in ribosome biogenesis.Proceedings of the National Academy of Sciences of the United States of America · 2019
    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

7 authors at 2 institutions in 1 country.

Patrick M GriersonDepartment of Molecular Virology, Immunology and Medical Genetics, The Ohio State University College of Medicine, Columbus, OH 43210-2207, USA.
Kate Lillard
Gregory K Behbehani
Kelly A Combs
Saumitri Bhattacharyya
Samir Acharya
Joanna Groden
The Ohio State University · USUniversity of Cincinnati Medical Center · US

Funding

Functions of the BLM Helicase in Telomere MaintenanceR01CA117898 · NCI · OHIO STATE UNIVERSITY · PI GRODEN, JOANNA LOUISE · 2008 to 2012
$1.5M
NCI NIH HHS CA117898
6 · The paper itself

Abstract

Bloom's syndrome (BS) is an autosomal recessive disorder that is invariably characterized by severe growth retardation and cancer predisposition. The Bloom's syndrome helicase (BLM), mutations of which lead to BS, localizes to promyelocytic leukemia protein bodies and to the nucleolus of the cell, the site of RNA polymerase I-mediated ribosomal RNA (rRNA) transcription. rRNA transcription is fundamental for ribosome biogenesis and therefore protein synthesis, cellular growth and proliferation; its inhibition limits cellular growth and proliferation as well as bodily growth. We report that nucleolar BLM facilitates RNA polymerase I-mediated rRNA transcription. Immunofluorescence studies demonstrate the dependance of BLM nucleolar localization upon ongoing RNA polymerase I-mediated rRNA transcription. In vivo protein co-immunoprecipitation demonstrates that BLM interacts with RPA194, a subunit of RNA polymerase I. (3)H-uridine pulse-chase assays demonstrate that BLM expression is required for efficient rRNA transcription. In vitro helicase assays demonstrate that BLM unwinds GC-rich rDNA-like substrates that form in the nucleolus and normally inhibit progression of the RNA polymerase I transcription complex. These studies suggest that nucleolar BLM modulates rDNA structures in association with RNA polymerase I to facilitate RNA polymerase I-mediated rRNA transcription. Given the intricate relationship between rDNA metabolism and growth, our data may help in understanding the etiology of proportional dwarfism in BS.

Indexed as

Transcription, GeneticCell LineCell Line, TumorCell NucleolusCell NucleusDactinomycinDNADNA, RibosomalHumansNucleic Acid ConformationProtein BindingProtein SubunitsRecombinant Fusion ProteinsRecQ HelicasesRNA Polymerase IRNA, RibosomalBloom syndrome proteinDactinomycinDNADNA, RibosomalProtein SubunitsRecombinant Fusion ProteinsRecQ HelicasesRNA Polymerase IRNA, Ribosomal

Identifiers

PMID22106380
PMCPMC3277314
OpenAlexW2117863650

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.