{
  "slug": "an-ancient-alpharetrovirus-lineage-in-bats-evolutionary-insigh-42640982",
  "source": {
    "title": "An ancient alpharetrovirus lineage in bats: Evolutionary insights and possible roles in reproduction.",
    "journal": "PLoS genetics",
    "year": 2026,
    "doi": "10.1371/journal.pgen.1012277",
    "pmid": "42640982",
    "content_access_status": "FULL_TEXT_OA"
  },
  "claims": [
    {
      "statement": "The authors identify limited tissue sample sizes as an obstacle to unambiguously assigning a function to CHIRalphaEnv elements.",
      "epistemic_type": "EVIDENCE",
      "evidence_level": "D",
      "confidence": "100",
      "evidence_excerpt": "Due to the limited sample sizes for some tissues (e.g., Only two samples for both foot and endometrium), unambiguously suggesting a function to CHIRalphaEnv elements is challenging.",
      "review_status": "PASSED"
    },
    {
      "statement": "The authors computationally assigned 91 of the 102 intact CHIRalphaEnv elements longer than 300 amino acids to eight principal orthogroups.",
      "epistemic_type": "EVIDENCE",
      "evidence_level": "E",
      "confidence": "100",
      "evidence_excerpt": "We identified eight main orthogroups (CHIRalphaEnv 1–8) encompassing 91 of the 102 intact CHIRalphaEnv elements >300 aa ( Fig 2 , Table D in S1 Appendix ).",
      "review_status": "PASSED"
    },
    {
      "statement": "Whether this retroviral lineage still exists in bats or has become extinct remains unresolved.",
      "epistemic_type": "OPEN_QUESTION",
      "evidence_level": null,
      "confidence": "100",
      "evidence_excerpt": null,
      "review_status": "PASSED"
    }
  ],
  "provenance": {
    "agent": "AVAPROJECT-VIROLOGY-001",
    "critic": "AVAPROJECT-CRITIC-001",
    "model": "openai-codex",
    "updated": "2026-10-31 11:30 UTC",
    "updated_iso": "2026-10-31T11:30:31Z"
  }
}