Evidence map›Paper›PMID 24454907›Full record

ArticlePloS one2014

Mutation and selection cause codon usage and bias in mitochondrial genomes of ribbon worms (Nemertea).

Haixia Chen, Shichun Sun, Jon L Norenburg, Per Sundberg

Abstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.

0numbers the graph read from it
0cells of the map it votes in
53citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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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

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3 · Its place in the literature

Who cites it

53 citing papers in PubMed.

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  18. Pan-genome wide identification and analysis of theFrontiers in plant science · 2024
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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

4 authors.

Haixia ChenDepartment of Biological and Environmental Sciences, University of Gothenburg, Sweden.
Shichun SunInstitute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, China.
Jon L NorenburgDepartment of Invertebrate Zoology, Smithsonian's National Museum of Natural History, Washington D.C., United States of America.
Per SundbergDepartment of Biological and Environmental Sciences, University of Gothenburg, Sweden.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The phenomenon of codon usage bias is known to exist in many genomes and it is mainly determined by mutation and selection. To understand the patterns of codon usage in nemertean mitochondrial genomes, we use bioinformatic approaches to analyze the protein-coding sequences of eight nemertean species. Neutrality analysis did not find a significant correlation between GC12 and GC3. ENc-plot showed a few genes on or close to the expected curve, but the majority of points with low-ENc values are below it. ENc-plot suggested that mutational bias plays a major role in shaping codon usage. The Parity Rule 2 plot (PR2) analysis showed that GC and AT were not used proportionally and we propose that codons containing A or U at third position are used preferentially in nemertean species, regardless of whether corresponding tRNAs are encoded in the mitochondrial DNA. Context-dependent analysis indicated that the nucleotide at the second codon position slightly affects synonymous codon choices. These results suggested that mutational and selection forces are probably acting to codon usage bias in nemertean mitochondrial genomes.

Indexed as

CodonAnimalsBase CompositionEvolution, MolecularGenome, MitochondrialInvertebratesMitochondriaMutationRNA, TransferSpecies SpecificityCodonRNA, Transfer

Identifiers

PMID24454907
PMCPMC3893253

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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.