Evidence map›Paper›PMID 12815433›Full record

ArticleNature2003

Abundant gene conversion between arms of palindromes in human and ape Y chromosomes.

Steve Rozen, Helen Skaletsky, Janet D Marszalek, Patrick J Minx, Holland S Cordum, Robert H Waterston, Richard K Wilson, David C Page

Abstract readComparative Study
PubMed Publisher
In one paragraph

Article in Nature, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 255 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
255citing papers in PubMed, 1 pooled it
25.7field-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

255 citing papers in PubMed, 1 synthesis or guideline pooled it, 597 citations in OpenAlex.

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  13. Tracing the evolution and genomic dynamics of mating-type loci inbioRxiv : the preprint server for biology · 2025
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195 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 3 institutions in 1 country.

Steve RozenHoward Hughes Medical Institute, Department of Biology, Massachusetts Institute of Technology, 9 Cambridge Center, Cambridge, Massachusetts 02142, USA.
Helen Skaletsky
Janet D Marszalek
Patrick J Minx
Holland S Cordum
Robert H Waterston
Richard K Wilson
David C Page
Washington University in St. Louis · USMassachusetts Institute of Technology · USWhitehead Institute for Biomedical Research · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Eight palindromes comprise one-quarter of the euchromatic DNA of the male-specific region of the human Y chromosome, the MSY. They contain many testis-specific genes and typically exhibit 99.97% intra-palindromic (arm-to-arm) sequence identity. This high degree of identity could be interpreted as evidence that the palindromes arose through duplication events that occurred about 100,000 years ago. Using comparative sequencing in great apes, we demonstrate here that at least six of these MSY palindromes predate the divergence of the human and chimpanzee lineages, which occurred about 5 million years ago. The arms of these palindromes must have subsequently engaged in gene conversion, driving the paired arms to evolve in concert. Indeed, analysis of MSY palindrome sequence variation in existing human populations provides evidence of recurrent arm-to-arm gene conversion in our species. We conclude that during recent evolution, an average of approximately 600 nucleotides per newborn male have undergone Y-Y gene conversion, which has had an important role in the evolution of multi-copy testis gene families in the MSY.

Indexed as

Evolution, MolecularAnimalsBase SequenceChromosomes, Human, YChromosomes, MammalianEuchromatinGene AmplificationGene ConversionGene DuplicationGorilla gorillaHominidaeHumansMaleMolecular Sequence DataMultigene FamilyMutagenesisEuchromatin

Identifiers

PMID12815433
OpenAlexW2021998028

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.