Evidence map›Paper›PMID 23136582›Full record

ArticleFungal biology reviews2011

Sex and speciation: the paradox that non-recombining DNA promotes recombination.

Alexander Idnurm

Abstract read
In one paragraph

Article in Fungal biology reviews, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
1.6field-weighted citation impact, top 16% 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

8 citing papers in PubMed, 20 citations in OpenAlex.

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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

1 author at 1 institution in 1 country.

Alexander IdnurmSchool of Biological Sciences, University of Missouri-Kansas City, MO 64110, USA.
University of Missouri–Kansas City · US

Funding

Light-regulated genes affecting the pathogen potential of Cryptococcus neoformansK22AI073917 · NIAID · UNIVERSITY OF MISSOURI KANSAS CITY · PI IDNURM, ALEXANDER · 2007 to 2008
$268k
NIAID NIH HHS K22 AI073917
6 · The paper itself

Abstract

The benefits of sexual reproduction that outweigh its costs have long puzzled biologists. Increased genetic diversity generated by new allelic combinations, as enhanced by recombination during meiosis, is considered to be a primary benefit of sex. Sex-determining systems have evolved independently on numerous occasions. One of the most familiar is the use of sex chromosomes in vertebrates. Other eukaryotic groups also use sex chromosomes or smaller sex-determining regions within their chromosomes, such as the mating type loci in the fungi. In these organisms, sexual reproduction and its associated meiotic recombination is controlled by regions of the genome that are themselves blocked in recombination. Non-recombining DNA that is essential for recombination presents a paradox. One hypothesis is that sex-determination requires or leads to highly diverse alleles, establishing this block in recombination. A second hypothesis to account for the common occurrence of these types of sex-determining systems is that they combine mechanisms for recombination suppression and reproductive isolation, thereby promoting the evolution of new species. The fungal kingdom represents the ideal eukaryotic lineage to elucidate the functions of non-recombining regions in sex-determination and speciation.

Identifiers

PMID23136582
PMCPMC3489284
OpenAlexW2080013126

What OpenQuestion holds

Textmetadata
LicenceTDM
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.