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Simple liquid-dispensing robot automates experiments to evaluate yeast growth potential

Simple liquid-dispensing robot automates experiments to evaluate yeast growth potential
Automation of life-science experiments has been performed using large, multifunctional robots, and equipment, however, difficulties arise in their installation and expansion. In this study, researchers from the University of Tsukuba have automated yeast cell-proliferation assay experiments using a liquid-dispensing robot that is easy to install and use. This achievement can provide a platform for promoting automation in experiments. Credit: University of Tsukuba

Automation of life-science experiments through robots and computers is attracting attention worldwide in various fields, and the advancement of such automation may lead to improved efficiency and reproducibility in life-science research while optimizing the allocation of human resources, including researchers.

However, the use of large, multifunctional robots, or specialized equipment has created problems in the implementation of automated experiments, such as increased number of instruments and the difficulty of installing new equipment in regular laboratories. Moreover, there are limited examples of of life-science experiments that use robots with simple functions and are relatively easy to install. Therefore, the range of capabilities and applications of such robots must be expanded to facilitate and advance the adoption of laboratory automation.

This study developed an automated spot assay system for budding yeast (Saccharomyces cerevisiae), a model eukaryotic organism, using a liquid-dispensing that performed simple functions. Spot assays are experiments to evaluate differences in the growth potential of yeast on agar media and are often used in genetics and toxicology. However, to date, automation has been possible only using high-cost methods, such as large robots and specialized equipment.

The research team from the University of Tsukuba has developed a new method for automatically correcting the variations in the height of agar media and a system for automatically observing and quantifying yeast growth. Based on this, an for spot assays could be developed by connecting it to a liquid-dispensing robot and a flatbed scanner. Quantitative comparisons between automated experiments using the developed robotic system and manual experiments performed by humans showed that the accuracy of the automated spot experiments was comparable to that of the manual experiments. The paper is published in the journal SLAS Technology.

The achievements of this research are expected to facilitate the adoption of automated experiments by a wide range of researchers. The new system will also serve as the technological foundation for the automation of AI-driven experiments and larger-scale experiments.

More information: Shodai Taguchi et al, Automation of yeast spot assays using an affordable liquid handling robot, SLAS Technology (2022). DOI: 10.1016/j.slast.2022.12.001

Citation: Simple liquid-dispensing robot automates experiments to evaluate yeast growth potential (2023, May 11) retrieved 14 April 2024 from https://phys.org/news/2023-05-simple-liquid-dispensing-robot-automates-yeast.html
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