Evidence map›Paper›PMID 14523237›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2003

Positive selection on protein-length in the evolution of a primate sperm ion channel.

Ondrej Podlaha, Jianzhi Zhang

Open access · greenAbstract readComparative Study
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed
3.0field-weighted citation impact, top 9% 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

38 citing papers in PubMed, 88 citations in OpenAlex.

  1. Review
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  17. Evolution of the sweet taste receptor gene Tas1r2 in bats.Molecular biology and evolution · 2010
    Article
  18. Understanding protein non-folding.Biochimica et biophysica acta · 2010
    Review
  19. A zinc-binding site by negative selection induces metallodrug susceptibility in an essential chaperonin.Proceedings of the National Academy of Sciences of the United States of America · 2010
    Article
  20. Article
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

2 authors at 1 institution in 1 country.

Ondrej PodlahaDepartment of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA.
Jianzhi Zhang
University of Michigan–Ann Arbor · US

Funding

RNases for understanding the origin of new gene functionR01GM067030 · NIGMS · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI ZHANG, JIANZHI · 2003 to 2012
$2.3M
NIGMS NIH HHS GM 67030NIGMS NIH HHS R01 GM067030
6 · The paper itself

Abstract

Positive Darwinian selection on advantageous point substitutions has been demonstrated in many genes. We here provide empirical evidence, for the first time, that positive selection can also act on insertion/deletion (indel) substitutions in the evolution of a protein. CATSPER1 is a voltage-gated calcium channel found exclusively in the plasma membrane of the mammalian sperm tail and it is essential for sperm motility. We determined the DNA sequences of the first exon of the CATSPER1 gene from 15 primates, which encodes the intracellular N terminus region of approximately equal to 400 aa. These sequences exhibit an excessively high frequency of indels. However, all indels have lengths that are multiples of 3 nt (3n indels) and do not disrupt the ORF. The number of indel substitutions per site per year in CATSPER1 is five to eight times the corresponding rates calculated from two large-scale primate genomic comparisons, which represent the neutral rate of indel substitutions. Moreover, CATSPER1 indels are considerably longer than neutral indels. These observations strongly suggest that positive selection has been promoting the fixation of indel mutations in CATSPER1 exon 1. It has been shown in certain ion channels that the length of the N terminus region affects the rate of channel inactivation. This finding suggests that the selection detected may be related to the regulation of the CATSPER1 channel, which can affect sperm motility, an important determinant in sperm competition.

Indexed as

Amino Acid SequenceAmino Acid SubstitutionAnimalsCalcium ChannelsEvolution, MolecularExonsHumansIon ChannelsMaleModels, BiologicalMolecular Sequence DataPrimatesSelection, GeneticSequence Homology, Amino AcidSpecies SpecificitySpermatozoaCalcium ChannelsCATSPER1 protein, humanIon Channels

Identifiers

PMID14523237
PMCPMC218743
OpenAlexW1972093884

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.