Evidence map›Paper›PMID 20628416›Full record

ArticleHeredity2011

R2 dynamics in Triops cancriformis (Bosc, 1801) (Crustacea, Branchiopoda, Notostraca): turnover rate and 28S concerted evolution.

V Mingazzini, A Luchetti, B Mantovani

Open access · bronzeAbstract read
In one paragraph

Article in Heredity, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.3field-weighted citation impact, top 20% 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

9 citing papers in PubMed, 12 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

3 authors at 1 institution in 1 country.

V MingazziniDipartimento di Biologia Evoluzionistica Sperimentale, Università di Bologna, Bologna, Italy.
A Luchetti
B Mantovani
University of Bologna · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The R2 retrotransposon is here characterized in bisexual populations of the European crustacean Triops cancriformis. The isolated element matches well with the general aspects of the R2 family and it is highly differentiated from that of the congeneric North American Triops longicaudatus. The analysis of 5' truncations indicates that R2 dynamics in T. cancriformis populations show a high turnover rate as observed in Drosophila simulans. For the first time in the literature, though, individuals harboring truncation variants, but lacking the complete element, are found. Present results suggest that transposition-mediated deletion mechanisms, possibly involving genomic turnover processes acting on rDNAs, can dramatically decrease the copy number or even delete R2 from the ribosomal locus. The presence of R2 does not seem to impact on the nucleotide variation of inserted 28S rDNA with respect to the uninserted genes. On the other hand, a low level of polymorphism characterizes rDNA units because new 28S variants continuously spread across the ribosomal array. Again, the interplay between transposition-mediated deletion and molecular drive may explain this pattern.

Indexed as

Evolution, MolecularMutagenesis, InsertionalRetroelementsAnimalsCrustaceaDNA, RibosomalMolecular Sequence DataPhylogenyRNA, Ribosomal, 28SDNA, RibosomalRetroelementsRNA, Ribosomal, 28S

Identifiers

PMID20628416
PMCPMC3183910
OpenAlexW2032693172

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.