Evidence map›Paper›PMID 40108186›Full record

ArticleNature communications2025

AI-driven high-throughput droplet screening of cell-free gene expression.

Jiawei Zhu, Yaru Meng, Wenli Gao, Shuo Yang, Wenjie Zhu, Xiangyang Ji, Xuanpei Zhai, Wan-Qiu Liu, Yuan Luo, Shengjie Ling and 2 more

Abstract read
In one paragraph

Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
–field-weighted citation impact
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

21 citing papers in PubMed.

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  20. One-pot cloning and protein expression platform for genetic engineering.bioRxiv : the preprint server for biology · 2025
    Article
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

12 authors.

Jiawei Zhu *School of Physical Science and Technology, ShanghaiTech University, Shanghai, China.ORCID http://orcid.org/0009-0008-9325-462X
Yaru Meng *School of Physical Science and Technology, ShanghaiTech University, Shanghai, China.
Wenli Gao *School of Physical Science and Technology, ShanghaiTech University, Shanghai, China.ORCID http://orcid.org/0009-0001-2791-1192
Shuo YangSchool of Physical Science and Technology, ShanghaiTech University, Shanghai, China.
Wenjie ZhuSchool of Physical Science and Technology, ShanghaiTech University, Shanghai, China.
Xiangyang JiSchool of Physical Science and Technology, ShanghaiTech University, Shanghai, China.
Xuanpei ZhaiSchool of Physical Science and Technology, ShanghaiTech University, Shanghai, China.
Wan-Qiu LiuSchool of Physical Science and Technology, ShanghaiTech University, Shanghai, China.
Yuan LuoState Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China.
Shengjie LingSchool of Physical Science and Technology, ShanghaiTech University, Shanghai, China. lingshj@shanghaitech.edu.cn.ORCID http://orcid.org/0000-0003-1156-0479
Jian LiSchool of Physical Science and Technology, ShanghaiTech University, Shanghai, China. lijian@shanghaitech.edu.cn.ORCID http://orcid.org/0000-0003-2359-238X
Yifan LiuSchool of Physical Science and Technology, ShanghaiTech University, Shanghai, China. liuyf6@shanghaitech.edu.cn.ORCID http://orcid.org/0000-0002-2989-6280

Funding

National Natural Science Foundation of China (National Science Foundation of China) 52322305, 32171427, 21935002, and 62374170
6 · The paper itself

Abstract

Cell-free gene expression (CFE) systems enable transcription and translation using crude cellular extracts, offering a versatile platform for synthetic biology by eliminating the need to maintain living cells. However, Such systems are constrained by cumbersome composition, high costs, and limited yields due to numerous additional components required to maintain biocatalytic efficiency. Here, we introduce DropAI, a droplet-based, AI-driven screening strategy designed to optimize CFE systems with high throughput and economic efficiency. DropAI employs microfluidics to generate picoliter reactors and utilizes a fluorescent color-coding system to address and screen massive chemical combinations. The in-droplet screening is complemented by in silico optimization, where experimental results train a machine-learning model to estimate the contribution of the components and predict high-yield combinations. By applying DropAI, we significantly simplified the composition of an Escherichia coli-based CFE system, achieving a fourfold reduction in the unit cost of expressed superfolder green fluorescent protein (sfGFP). This optimized formulation was further validated across 12 different proteins. Notably, the established E. coli model is successfully adapted to a Bacillus subtilis-based system through transfer learning, leading to doubled yield through prediction. Beyond CFE, DropAI offers a high-throughput and scalable solution for combinatorial screening and optimization of biochemical systems.

Indexed as

Gene ExpressionHigh-Throughput Screening AssaysBacillus subtilisCell-Free SystemEscherichia coliGreen Fluorescent ProteinsMachine LearningMicrofluidicsSynthetic BiologyGreen Fluorescent Proteins

Identifiers

PMID40108186
PMCPMC11923291

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

None linked

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.