Evidence map›Paper›PMID 9136020›Full record

ArticleGenetics1997

Polymorphism and locus-specific effects on polymorphism at microsatellite loci in natural Drosophila melanogaster populations.

C Schlötterer, C Vogl, D Tautz

Erratum issuedAbstract read
In one paragraph

Article in Genetics, 1997. 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 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
–field-weighted citation impact
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

32 citing papers in PubMed.

  1. Eight NewGenes · 2025
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4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

3 authors.

C SchlöttererZoologisches Institut, Universität München, Germany. schlotc@hp01.boku.ac.at
C Vogl
D Tautz

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We have studied the natural variation at microsatellite loci in two African and five non-African populations of Drosophila melanogaster. Ten dinucleotide simple sequence loci were cloned from chromosomally mapped P1 clones and typed for single individuals from isofemale lines of the respective populations. We find that the African populations harbor the largest degree of diversity, while the non-African populations show a lower diversity. This supports previous results that D. melanogaster originated in Africa and spread across the rest of the world in historic times. Using genetic distance measures, we find also a distinct population subdivision between the non-African populations. Most interestingly, we find for some loci in some populations a strongly reduced variability, which cannot be explained by bottleneck effects. Employing a conservative test based on the variance in repeat number, we find that at least one locus in one population deviates significantly from the expectations of mutation-drift equilibrium. We suggest that this may be due to a recent selective sweep in this chromosomal region that may have been caused by a linked locus that was involved in local adaptation of the population.

Indexed as

DNA, SatellitePolymorphism, GeneticAdaptation, PhysiologicalAllelesAnimalsDrosophila melanogasterGene FrequencyGenomeSpecies SpecificityDNA, Satellite

Identifiers

PMID9136020
PMCPMC1207946

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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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.