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The secret to longer life may be hidden in bat DNA | ScienceDaily (opens in a new tab)

sciencedaily.com · 2026-09-11

Short answerEvidenceSource

Short answer

Not supported

Not supported.

2 claims go further than the study. 3 other points were not covered by the paper.

  • 2 overstated
  • 3 not covered

Checked against the study summary. The full text wasn't available, so some details couldn't be settled either way.

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Follow the evidence trail
1
2

NewsLink checks it

Not supported

Two of five claims overstate the study. Three claims the study doesn't address.

  • 2 overstated
  • 3 not covered
Open claim evidence
3
Then inspect each claim

Evidence layer

Claim by claim

Each claim gets a verdict. Expand it to see the evidence directly below.

5 claims in this story

Showing all 5 claimsChoose a verdict to focus the list.

Claim 1 of 5OverstatedTheir results point to a strong connection between lifespan and immune function, with longer-lived bats showing higher levels of genes associated with fighting cancer.View evidenceHide evidence

As statedhigher levels of genes associated with fighting cancer

Why this verdict

The profile supports an association between recurrent longevity evolution in Myotis and positive selection in cancer pathways, alongside virus/immunity-related adaptation. However, the story’s phrasing of a “strong connection” and “higher levels of genes” goes beyond the abstract-level evidence, which provides no quantitative strength, expression/copy-number result for cancer genes, or detailed statistical support.

1

Study evidence

Genome-wide over-representation of positive selection among DNA-virus-interacting proteins in bats.

“Using genome-wide screens of positive selection…”
2

Study evidence

Recurrent evolution of longevity in Myotis is associated with positive selection in cancer pathways based on pathway-level analysis of genome-wide positive-selection scans.

“We show that the recurrent evolution of longevity seen in Myotis is associated with positive selection in cancer pathways”
Claim 2 of 5OverstatedResearchers found that Myotis bats possess an unusually large number of genes producing proteins that interact with DNA viruses, and that these proteins were strongly enriched for selection in bats.View evidenceHide evidence

As statedan unusually large number

Why this verdict

The paper profile supports genome-wide over-representation of positive selection among DNA-virus-interacting proteins. But the story adds that Myotis bats have an “unusually large number” of such genes and that enrichment was “strong,” neither of which is quantitatively supported in the abstract-level profile.

1

Study evidence

Genome-wide over-representation of positive selection among DNA-virus-interacting proteins in bats.

“Using genome-wide screens of positive selection…”
Claim 3 of 5Not coveredIn a new study published in Nature, Vazquez and colleagues present the first analysis of eight Myotis genomes.View evidenceHide evidence

As statedeight Myotis genomes

Why this verdict

The abstract-level paper profile supports generation of near-complete genome assemblies for eight closely related Myotis species, but it does not verify the novelty claim that this was the “first analysis” of eight Myotis genomes.

1

Study evidence

Generated cell lines and near-complete genome assemblies for eight closely related Myotis species (abstract statement).

“we generated … near-complete genome assemblies for eight closely related Myotis species”
Claim 4 of 5Not coveredThe longest-lived bat in the sample, the little brown bat, responded to toxic damage by increasing genes that promote cell death rather than turning on DNA repair genes.View evidenceHide evidence

As statedthe longest-lived bat in his sample

Why this verdict

The abstract-level profile says primary cells from long-lived Myotis lucifugus showed a unique response to DNA damage, but it does not specify that toxic damage increased cell-death genes rather than DNA-repair genes, nor does it provide the experimental endpoints, comparator species, or gene-response details needed to verify this claim.

1

Study evidence

Primary cells from the long-lived bat Myotis lucifugus exhibited a 'unique response to DNA damage' in functional experiments reported by the authors.

“functional experiments in primary cells”
Claim 5 of 5Not coveredThe article says the new genomic analysis found substantial overlap between genes associated with aging and genes involved in disease defense, including viral interactions.View evidenceHide evidence

As statedsubstantial overlap

Why this verdict

The profile supports separate abstract-level findings about virus-interacting proteins and longevity/cancer-pathway selection. It does not, at abstract depth, verify a specific “substantial overlap” between aging-associated genes and disease-defense or viral-interaction genes.

1

Study evidence

Genome-wide over-representation of positive selection among DNA-virus-interacting proteins in bats.

“Using genome-wide screens of positive selection…”
2

Study evidence

Recurrent evolution of longevity in Myotis is associated with positive selection in cancer pathways based on pathway-level analysis of genome-wide positive-selection scans.

“We show that the recurrent evolution of longevity seen in Myotis is associated with positive selection in cancer pathways”
Then look for missing context

Context layer

What the story left out

Important study details the story did not include.

  • The paper reports elevated copy-number variation among RNA-virus-interacting proteins as a distinct mode of virus-driven adaptation.

    The story mentions viral interactions generally but does not reflect the specific RNA-virus-interacting protein CNV finding, which is a primary comparative-genomics result in the paper profile.

    From comparative structural-variation / CNV analysis

  • The paper characterizes Myotis-specific duplications and ancient trans-species copy-number polymorphisms of EIF2AK2/PKR, a key immune factor.

    This locus-focused immune-gene result is not mentioned in the story presentation.

    From in_silico

5 things the story did carry across
  • The study generated cell lines and near-complete genome assemblies for eight closely related Myotis species as biological resources for comparative genomics.
  • Genome-wide comparative analyses identified over-representation of positive selection among DNA-virus-interacting proteins, contrasting with other virus-related adaptation modes.
  • The paper links recurrent evolution of longevity in Myotis to positive selection in cancer-related pathways.
  • Functional experiments in primary cells from long-lived Myotis lucifugus showed a unique DNA-damage response phenotype.
  • The work is basic comparative-genomics and in vitro primary-cell research in bats, not a human clinical study or tested anti-aging intervention.
Then read the study layer

Study layer

Study at a glance

Scan the study first. Expand only the parts you want to inspect.

Pieces of work

7

Evidence read

study summary

Lead result

in silico

1Lead resultin silicoIdentify genome-wide patterns of virus-driven adaptation in bats via comparative genomic analyses (positive selection and structural/copy-number variation), contrasting DNA- vs RNA-virus-interacting proteins.comparative genomics positive-selection screenExpand

In plain English

Genome-wide comparative screens of positive selection in Myotis bats identify an over-representation of positive selection among DNA-virus-interacting proteins, indicating virus-driven adaptation with a distinct mode compared with RNA-virus-interacting proteins (which show elevated copy-number variation).

Key findings

  • Genome-wide over-representation of positive selection among DNA-virus-interacting proteins in bats.
  • Distinct modes of virus-related adaptation: DNA-virus interactions show enriched positive selection, whereas RNA-virus interactions are associated with elevated rates of copy-number variation.
“Using genome-wide screens of positive selection…”
What this piece can’t prove
  • The abstract implies but does not specify the exact positive-selection models, parameter settings, or multiple-testing corrections used.

3 further details could not be confirmed from the summary.

2in vitroGenerate biological resources for comparative genomics in Myotis: establish cell lines and produce near-complete genome assemblies for eight closely related Myotis species.cell line and primary cell derivationExpand

In plain English

The study reports generation of cell lines for eight closely related Myotis species and establishment/derivation of primary cells that were used in downstream functional experiments.

Key findings

  • Generation of biological resources: cell lines were created for eight closely related Myotis species and primary cells were established for use in downstream functional assays.
“we generated cell lines … for eight closely related Myotis species”
What this piece can’t prove
  • Unclear whether cell lines are immortalized lines, primary cell cultures, or both; the abstract distinguishes cell lines and primary cells but gives no further detail.

1 further detail could not be confirmed from the summary.

3in silicoGenerate biological resources for comparative genomics in Myotis: establish cell lines and produce near-complete genome assemblies for eight closely related Myotis species.in silicoExpand

In plain English

The study generated biological resources for comparative genomics by establishing cell lines and producing near-complete genome assemblies for eight closely related Myotis species, reported as a foundational dataset enabling subsequent comparative and functional analyses.

Key findings

  • Generated cell lines and near-complete genome assemblies for eight closely related Myotis species (abstract statement).
“we generated … near-complete genome assemblies for eight closely related Myotis species”
What this piece can’t prove
  • The abstract does not provide specific metrics (e.g., N50, BUSCO completeness) or the sequencing/assembly pipelines used, limiting appraisal of resource quality from abstract text alone.

1 further detail could not be confirmed from the summary.

4in silicoIdentify genome-wide patterns of virus-driven adaptation in bats via comparative genomic analyses (positive selection and structural/copy-number variation), contrasting DNA- vs RNA-virus-interacting proteins.comparative structural-variation / CNV analysisExpand

In plain English

Using near-complete genome assemblies for eight Myotis species, the study performed genome-wide analyses of structural variation and copy-number variation (CNV) and reports elevated rates of CNV among RNA-virus-interacting proteins in Myotis bats, interpreted as a distinct mode of virus-driven adaptation (contrasted with genome-wide positive selection observed for DNA-virus-interacting proteins).

Key findings

  • Myotis bats exhibit elevated rates of copy-number variation among RNA-virus-interacting proteins, reported genome-wide.
“analyses of structural variation”
What this piece can’t prove
  • Sample scope is eight Myotis species; the abstract does not detail the broader mammalian comparison set or control analyses.

1 further detail could not be confirmed from the summary.

5in silicoCharacterize Myotis-specific duplications and copy-number polymorphisms of the immune factor EIF2AK2/PKR, including ancient trans-species variation.in silicoExpand

In plain English

The paper reports locus-focused characterization of the immune gene EIF2AK2 (PKR) in Myotis bats, finding Myotis-specific gene duplications and multiple ancient, segregating trans-species copy-number polymorphisms at this locus.

Key findings

  • Myotis-specific duplications of the immune gene EIF2AK2 (PKR) were characterized.
  • Multiple ancient, segregating trans-species copy-number polymorphisms were reported at the EIF2AK2 locus.
“Characterization of Myotis-specific duplications of the key immune factor EIF2AK2 (also known as PKR) reveals multiple ancient segregating trans-species copy-number polymorphisms.”
What this piece can’t prove
  • Description in abstract lacks methodological detail (sample sizes, species sampled, analytical pipelines, validation approaches).

2 further details could not be confirmed from the summary.

6in silicoLink recurrent evolution of longevity in Myotis to positive selection in cancer pathways using comparative genomic selection analyses.comparative genomic selection and pathway enrichmentExpand

In plain English

The authors report that recurrent evolution of increased longevity within Myotis bats is associated with signals of positive selection in cancer-related pathways, based on genome-wide positive-selection scans and pathway-level interpretation.

Key findings

  • Recurrent evolution of longevity in Myotis is associated with positive selection in cancer pathways based on pathway-level analysis of genome-wide positive-selection scans.
“We show that the recurrent evolution of longevity seen in Myotis is associated with positive selection in cancer pathways”
What this piece can’t prove
  • No methodological detail in abstract about selection test models, species/sample composition for the longevity contrast, or statistical significance thresholds.

1 further detail could not be confirmed from the summary.

7in vitroDemonstrate a unique DNA-damage response phenotype in primary cells of the long-lived Myotis lucifugus via functional cellular experiments.in vitro primary cell DNA-damage assays (details unspecified in abstract)Expand

In plain English

The paper reports functional, cell-based experiments using primary cells from the long-lived bat Myotis lucifugus and states that these cells exhibit a 'unique response to DNA damage.' The abstract gives no experimental detail or quantitative results for these assays; the claim is presented as functional evidence linking DNA-damage response phenotypes to longevity and cancer-resistance pathways in Myotis.

Key findings

  • Primary cells from the long-lived bat Myotis lucifugus exhibited a 'unique response to DNA damage' in functional experiments reported by the authors.
“functional experiments in primary cells”
What this piece can’t prove

3 further details could not be confirmed from the summary.

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Papers considered

The selected paper, plus nearby candidates.

PubMed, Crossref, Europe PMC · 36 candidate papers

Candidate

Author response for "The Crucial Role of Lattice Water in Directing Supramolecular Networks of Deferiprone Analogues: A Combined X-ray and DFT Study"

2026 · Crossref

Source (opens in a new tab)

And 30 more candidates considered.