AI科学者が新たな生物学的発見を自律的に生成・検証(AI scientist autonomously generates and validates new biological discoveries)

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2026-09-30 チャルマース工科大学

スウェーデンのチャルマース工科大学などの研究者は、科学的仮説の生成、実験設計、結果の解釈を自律的に行う「AI scientist」を開発した。大規模言語モデル、自動推論、実験室自動化を統合した閉ループ型AI実験室を構築し、パン酵母 Saccharomyces cerevisiae を対象に検証した。AIには酵母のゲノム、代謝、既存研究などの科学知識を入力し、そこから有望な生物学的課題を抽出、実験を提案し、得られた結果を評価して次の仮説・実験へ反映させた。これにより、AIが単なる意思決定支援ではなく、実験を通じて新しい科学的知識を生成する可能性を示した。研究者は、こうした自律型研究システムが生命科学・医学・バイオテクノロジーの研究速度向上や実験資源の効率化につながるとする一方、研究目的の設定、科学的意義の判断、倫理的監督には当面人間が不可欠としている。

AI科学者が新たな生物学的発見を自律的に生成・検証(AI scientist autonomously generates and validates new biological discoveries)
Researchers at Chalmers University of Technology in Sweden have developed an AI scientist capable of generating scientific hypotheses, designing experiments, and interpreting results. Making new biological discoveries with minimal human intervention is an important advance in self-driving laboratories.

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科学的知識と統合されたエージェント型AI:システム生物学における実験室検証 Agentic AI integrated with scientific knowledge: laboratory validation in systems biology

Daniel Brunnsåker;Alexander Howard Gower;Prajakta Naval;Erik Yuusuke Bjurström;Filip Kronström;Ievgeniia Tiukova;Ross King
Journal of the Royal Society Interface  Published:08 Jul 2026
DOI:https://doi.org/10.1098/rsif.2026.0043

Abstract

Automation is transforming scientific discovery by enabling systematic exploration of complex hypotheses. Large language models (LLMs) perform well across diverse tasks and promise to accelerate research, but often struggle with logical structures. Here, we present a framework for biological discovery integrating LLM-based agents with laboratory automation, guided by logical scaffolds incorporating symbolic relational learning, structured vocabularies and experimental constraints. This integration improves coherence and reliability in automated workflows. We couple this AI-driven approach to automated cell-culture and metabolomics platforms, enabling integrated hypothesis validation and refinement, yielding a flexible discovery system. The system identified novel interactions in Saccharomyces cerevisiae, including glutamate-induced growth inhibition in spermine-treated cells and aminoadipate’s partial rescue of formic-acid stress. All hypotheses, experiments and data are captured in a graph database employing controlled vocabularies. Existing ontologies are extended, and a novel representation of scientific hypotheses is presented using description logics. This work demonstrates the potential for a reliable machine-driven discovery process in systems biology.

生物工学一般
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