Semi-automated colony-forming unit counting for biosafety level 3 laboratories
Copyright © 2023 The Author(s). Published by Elsevier Inc. All rights reserved..
Biosafety level 3 decontamination precautions motivate measuring microbial colonies using consumable photography instead of expensive automated plate counters or smartphones, and assaying drug treatments-with multiple concentrations per treatment, replicates, and controls-produces hundreds of images. Here, we present a protocol for semi-automated image analysis by hand-tuning three parameters. The parameters control for non-uniform colony growth and artifacts such as lid condensation, reflections, and plating streaks. We describe steps to prepare images, tune parameters, and plot dose-response relationships. For complete details on the use and execution of this protocol, please refer to Larkins-Ford et al.1.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:4 |
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| Enthalten in: |
STAR protocols - 4(2023), 3 vom: 15. Sept., Seite 102442 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Janakiraman, Soorya [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 08.03.2024 Date Revised 08.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.xpro.2023.102442 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Biosafety level 3 decontamination precautions motivate measuring microbial colonies using consumable photography instead of expensive automated plate counters or smartphones, and assaying drug treatments-with multiple concentrations per treatment, replicates, and controls-produces hundreds of images. Here, we present a protocol for semi-automated image analysis by hand-tuning three parameters. The parameters control for non-uniform colony growth and artifacts such as lid condensation, reflections, and plating streaks. We describe steps to prepare images, tune parameters, and plot dose-response relationships. For complete details on the use and execution of this protocol, please refer to Larkins-Ford et al.1 | ||
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