Evidence map›Paper›PMID 29572464›Full record

ArticleScientific reports2018

Concurrent action of purifying selection and gene conversion results in extreme conservation of the major stress-inducible Hsp70 genes in mammals.

Kyle Hess, Ryan Oliverio, Peter Nguyen, Dat Le, Jacqueline Ellis, Brianna Kdeiss, Sara Ord, Dimitra Chalkia, Nikolas Nikolaidis

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
1.5field-weighted citation impact, top 18% 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

19 citing papers in PubMed, 37 citations in OpenAlex.

  1. Article
  2. Human Hsp70 paralogs display selective J-domain interactions tuning proteostasis under stress.Proceedings of the National Academy of Sciences of the United States of America · 2026
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  14. Origin and Evolution of the Human Bcl2-Associated Athanogene-1 (BAG-1).International journal of molecular sciences · 2020
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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

9 authors at 2 institutions in 1 country.

Kyle HessDepartment of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA.
Ryan OliverioDepartment of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA.
Peter NguyenDepartment of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA.
Dat LeDepartment of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA.
Jacqueline EllisDepartment of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA.
Brianna KdeissDepartment of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA.
Sara OrdDepartment of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA.
Dimitra ChalkiaUCLA Center for Systems Biomedicine, Division of Digestive Diseases, School of Medicine, Los Angeles, CA, USA.ORCID 0000-0003-4780-544X
Nikolas NikolaidisDepartment of Biological Science, Center for Applied Biotechnology Studies, and Center for Computational and Applied Mathematics, California State University, Fullerton, Fullerton, CA, 92834, USA. nnikolaidis@fullerton.edu.ORCID 0000-0002-5633-1883
California State University, Fullerton · USCenter for Systems Biology · US

Funding

Interaction between HspA1A, a seventy-kDa heat shock protein, and lipids in stressed cellsSC3GM121226 · NIGMS · CALIFORNIA STATE UNIVERSITY FULLERTON · PI NIKOLAIDIS, NIKOLAS · 2017 to 2024
$843k
NIGMS NIH HHS SC3 GM121226
6 · The paper itself

Abstract

Several evolutionary mechanisms alter the fate of mutations and genes within populations based on their exhibited functional effects. To understand the underlying mechanisms involved in the evolution of the cellular stress response, a very conserved mechanism in the course of organismal evolution, we studied the patterns of natural genetic variation and functional consequences of polymorphisms of two stress-inducible Hsp70 genes. These genes, HSPA1A and HSPA1B, are major orchestrators of the cellular stress response and are associated with several human diseases. Our phylogenetic analyses revealed that the duplication of HSPA1A and HSPA1B originated in a lineage proceeding to placental mammals, and henceforth they remained in conserved synteny. Additionally, analyses of synonymous and non-synonymous changes suggest that purifying selection shaped the HSPA1 gene diversification, while gene conversion resulted in high sequence conservation within species. In the human HSPA1-cluster, the vast majority of mutations are synonymous and specific genic regions are devoid of mutations. Furthermore, functional characterization of several human polymorphisms revealed subtle differences in HSPA1A stability and intracellular localization. Collectively, the observable patterns of HSPA1A-1B variation describe an evolutionary pattern, in which purifying selection and gene conversion act simultaneously and conserve a major orchestrator of the cellular stress response.

Indexed as

Gene ConversionPolymorphism, Single NucleotideAnimalsEvolution, MolecularHSP70 Heat-Shock ProteinsHumansPhylogenySyntenyHSP70 Heat-Shock ProteinsHSPA1A protein, humanHSPA1B protein, human

Identifiers

PMID29572464
PMCPMC5865164
OpenAlexW2792283809

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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.