published-canonicalconceptmaha-epistemic/1.0

Adenine base editing

An evolved deaminase–Cas architecture that can install selected A-to-G outcomes without programmed DNA cleavage. This candidate preserves the experimental unit—editor or circuit, target, cell system, delivery, protocol, assay, comparator, and observation window—before any broader inference is considered.

Bounded definition

An evolved deaminase–Cas architecture that can install selected A-to-G outcomes without programmed DNA cleavage.

What the cited work establishes

The study evolves and characterizes adenine base editors that install targeted A-to-G outcomes in specified bacterial and human-cell experiments.

The constructs, biological systems, protocols, assays, datasets, and comparisons reported in Programmable base editing of A•T to G•C in genomic DNA without DNA cleavage.

Claims: urn:maha:claim:adenine-base-editing

What remains a separate question

The source does not establish universal specificity, delivery, tissue performance, safety, or clinical benefit.

Reported performance does not transfer automatically to other editors, guides, loci, cells, delivery systems, organisms, or clinical settings.

Connected domain graph

Typed dependencies preserve publication state.

Only independently canonical records receive public links and relation statements. Draft graph topology remains private.

mechanistic dependencycanonical

Directed-evolution workflows

outbound connection · method

The adenine deaminase activity was created through directed protein evolution.

mechanistic dependencycanonical

Directed-evolution workflows

inbound connection · method

Directed evolution supplied the deaminase activity used in the cited adenine base-editor lineage.

Claim ledger

Every proposition keeps its own evidence state.

empirical-claimsingle-study

The cited study evolves adenine base editors and characterizes targeted A-to-G editing in specified experimental systems.

Scope
The constructs, biological systems, protocols, assays, datasets, and comparisons reported in Programmable base editing of A•T to G•C in genomic DNA without DNA cleavage.
Boundary
The source does not establish universal specificity, delivery, tissue performance, safety, or clinical benefit.
Uncertainty
There is no universal effect estimate for this method; numerical results remain attached to the source experiment, biological system, assay, and analysis choices.
Replication
This candidate records one bounded source package. Independent replications and contradictory results must be compiled separately before evidence maturity is upgraded.

Primary sources

Citation, locator, rights, and boundary travel together.

  1. Source 1 · Nature

    Programmable base editing of A•T to G•C in genomic DNA without DNA cleavage

    Nicole M. Gaudelli, Alexis C. Komor, Holly A. Rees, Michael S. Packer, et al.

    Exact locator
    Abstract; Figures 1–5; Methods; Extended Data; Supplementary Information.
    Establishes
    The study evolves and characterizes adenine base editors that install targeted A-to-G outcomes in specified bacterial and human-cell experiments.
    Boundary
    Reported performance does not transfer automatically to other editors, guides, loci, cells, delivery systems, organisms, or clinical settings.
    Rights basis
    citation with paraphrase · Maha paraphrases the source-level result and links to the version of record; no article passage is reproduced.
    Declared interests
    The article declares patent applications and company interests involving base-editing technologies.