Articles | Volume 22, issue 7
https://doi.org/10.5194/bg-22-1729-2025
https://doi.org/10.5194/bg-22-1729-2025
Technical note
 | 
07 Apr 2025
Technical note |  | 07 Apr 2025

Technical note: Flow cytometry assays for the detection, counting and cell sorting of polyphosphate-accumulating bacteria

Clémentin Bouquet, Hermine Billard, Cécile C. Bidaud, Jonathan Colombet, Young-Tae Chang, Joan Artigas, Isabelle Batisson, Karim Benzerara, Fériel Skouri-Panet, Elodie Duprat, and Anne-Catherine Lehours

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Cited articles

Akbari, A., Wang, Z., He, P., Wang, D., Lee, J., Han, I. L., Li, G., and Gu, A. Z.: Unrevealed roles of polyphosphate-accumulating microorganisms, Microb. Biotechnol., 14, 82–87, https://doi.org/10.1111/1751-7915.13730, 2021. 
Allan, R. A. and Miller, J. J.: Influence of S-adenosylmethionine on DAPI-induced fluorescence of polyphosphate in the yeast vacuole, Can. J. Microbiol., 26, 912–920, https://doi.org/10.1139/m80-158, 1980. 
Amini, M., Antelo, J., Fiol, S., and Rahnemaie, R.: Estimation of phosphate extractability in flooded soils: Effect of solid-solution ratio and bicarbonate concentration, Chemosphere, 303, 135188, https://doi.org/10.1016/j.chemosphere.2022.135188, 2022. 
Angelova, P. R., Agrawalla, B. K., Elustondo, P. A., Gordon, J., Shiba, T., Abramov, A. Y., Chang, Y.-T., and Pavlov, E. V.: In situ investigation of mammalian inorganic polyphosphate localization using novel selective fluorescent probes JC-D7 and JC-D8, ACS Chem. Biol., 9, 2101–2110, https://doi.org/10.1021/cb5000696, 2014. 
Aschar-Sobbi, R., Abramov, A. Y., Diao, C., Kargacin, M. E., Kargacin, G. J., French, R. J., and Pavlov, E.: High sensitivity, quantitative measurements of polyphosphate using a new DAPI-based approach, J. Fluoresc., 18, 859–866, https://doi.org/10.1007/s10895-008-0315-4, 2008. 
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In the context of the ecological sustainability of phosphorus, the ubiquitous presence of polyphosphate-accumulating bacteria in natural environments invites efforts to reveal their unknown roles in the biogeochemical cycle of phosphorus. In this study, we evaluated the potential of combining the staining of intracellular polyphosphate granules and their subsequent detection by flow cytometry for the detection, quantification and cell sorting of polyphosphate-accumulating bacteria.
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