A challenge in washing water with the sun: 24h of SODIS fails to inactivate Acanthamoeba castellanii cysts and internalized Pseudomonas aeruginosa under strong real sun conditions

Chaúque, Beni Jequicene Mussengue; Corção, Gertrudes; Benetti, Antônio Domingues; Rott, Marilise Brittes

doi:10.1007/s43630-023-00440-2

Cited by 2 publications

(2 citation statements)

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“…However, their abundance, especially Acanthamoeba spp. and Naegleria spp., has been reported to be exceptionally high in environments enriched in bacteria and other microorganisms, which serve as their food source (Brock et al, 2018;Chaúque et al, 2023;Pazoki et al, 2020;Reyes-Batlle et al, 2021;Wopereis et al, 2020). FLA generally exists in two different physio-morphological forms: the trophozoite, which is the active feeding and reproductive stage, and the non-motile cyst, which is the persistent and resistant stage.…”

Section: Morphological Diversity and Taxonomy Of Flamentioning

confidence: 99%

“…Bacteria such as P. aeruginosa, E. coli, and Staphylococcus aureus, among others, are also recognized for their interaction and persistence within free-living amoebae causing co-infections, which are clinically very difficult to treat (Chaúque et al, 2023;De Souza et al, 2017;Dey et al, 2019;Lee et al, 2021;Rayamajhee et al, 2021;Son et al, 2022;Son & Jung, 2021).…”

Section: Examples Of Bacterial Endosymbionts Of Acanthamoebamentioning

confidence: 99%

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Modelling dynamics between free‐living amoebae and bacteria

Ali,

Rice,

Byrne

et al. 2024

Environmental Microbiology

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Free‐living amoebae (FLA) serve as hosts for a variety of endosymbionts, which are microorganisms that reside and multiply within the FLA. Some of these endosymbionts pose a pathogenic threat to humans, animals, or both. The symbiotic relationship with FLA not only offers these microorganisms protection but also enhances their survival outside their hosts and assists in their dispersal across diverse habitats, thereby escalating disease transmission. This review is intended to offer an exhaustive overview of the existing mathematical models that have been applied to understand the dynamics of FLA, especially concerning their interactions with bacteria. An extensive literature review was conducted across Google Scholar, PubMed, and Scopus databases to identify mathematical models that describe the dynamics of interactions between FLA and bacteria, as published in peer‐reviewed scientific journals. The literature search revealed several FLA–bacteria model systems, including Pseudomonas aeruginosa, Pasteurella multocida, and Legionella spp. Although the published mathematical models account for significant system dynamics such as predator–prey relationships and non‐linear growth rates, they generally overlook spatial and temporal heterogeneity in environmental conditions, such as temperature, and population diversity. Future mathematical models will need to incorporate these factors to enhance our understanding of FLA–bacteria dynamics and to provide valuable insights for future risk assessment and disease control measures.

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