Evidence map›Paper›PMID 1757956›Full record

ArticleJournal of medical genetics1991

Fragile X syndrome: genetic localisation by linkage mapping of two microsatellite repeats FRAXAC1 and FRAXAC2 which immediately flank the fragile site.

R I Richards, K Holman, H Kozman, E Kremer, M Lynch, M Pritchard, S Yu, J Mulley, G R Sutherland

Open access · bronzeAbstract read
In one paragraph

Article in Journal of medical genetics, 1991. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed, 1 pooled it
12.4field-weighted citation impact, top 1% 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, 1 synthesis or guideline pooled it, 138 citations in OpenAlex.

  1. Guideline
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Review
  8. Flap endonuclease 1.Annual review of biochemistry · 2013
    Review
  9. Unstable mutations in the FMR1 gene and the phenotypes.Advances in experimental medicine and biology · 2012
    Review
  10. Review
  11. The FMR1 gene and fragile X-associated tremor/ataxia syndrome.American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics · 2009
    Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. FMR1 in global populations.American journal of human genetics · 1996
    Article
  19. Article
  20. 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

9 authors at 1 institution in 1 country.

R I RichardsDepartment of Cytogenetics and Molecular Genetics, Adelaide Children's Hospital, South Australia.
K Holman
H Kozman
E Kremer
M Lynch
M Pritchard
S Yu
J Mulley
G R Sutherland
Women's and Children's Hospital · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We report the genetic localisation of the fragile site at Xq27.3 associated with fragile X syndrome. The position of the fragile site within the multipoint linkage map was determined using two polymorphic microsatellite AC repeat markers FRAXAC1 and FRAXAC2. These markers were physically located within 10 kilobases and on either side of the p(CCG)n repeat responsible for the fragile site. FRAXAC1 has five alleles with heterozygosity of 44% and is in strong linkage disequilibrium with FRAXAC2 which has eight alleles and a heterozygosity of 71%. No recombination was observed either between these markers in 40 normal CEPH pedigrees or with the fragile X in affected pedigrees. These markers provide the means for accurate diagnosis of the fragile X genotype in families by rapid polymerase chain reaction analysis and were used to position the fragile X within the multipoint map of the X chromosome to a position 3.7 cM distal to DXS297 and 1.2 cM proximal to DXS296.

Indexed as

Chromosome FragilityRepetitive Sequences, Nucleic AcidX ChromosomeBase SequenceChromosome Fragile SitesChromosome MappingDNAFemaleFragile X SyndromeGenetic LinkageGenetic MarkersHumansMaleMolecular Sequence DataPedigreeDNAGenetic Markers

Identifiers

PMID1757956
PMCPMC1017157
OpenAlexW2026404296

What OpenQuestion holds

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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.