A one health approach versus Acanthamoeba castellanii, a potential host for Morganella morganii

Ruqaiyyah Siddiqui, Anania Boghossian, Noor Akbar, Naveed Ahmed Khan

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Acanthamoeba castellanii, known as the "Trojan horse of the microbial world," is known to host a variety of microorganisms including viruses, yeasts, protists, and bacteria. Acanthamoeba can act as a vector and may aid in the transmission of various bacterial pathogens to potential hosts and are found in a variety of places, thus impacting the health of humans, animals, and the environment. These are interconnected in a system known as "one health." With the global threat of antibiotic resistance, bacteria may avoid harsh conditions, antibiotics, and disinfectants by sheltering within Acanthamoeba. In this study, Acanthamoeba castellanii interaction with Morganella morganii, a Gram-negative bacterium was studied. Escherichia coli K1 interaction with Acanthamoeba was carried out as a control. Association, invasion, and survival assays were accomplished. Morganella morganii was found to associate, invade, and survive within Acanthamoeba castellanii. Additionally, Escherichia coli K1 was also found to associate, invade, and survive within the Acanthamoeba at a higher number in comparison to Morganella morganii. For the first time, we have shown that Morganella morganii interact, invade, and survive within Acanthamoeba castellanii, suggesting that Acanthamoeba may be a potential vector in the transmission of Morganella morganii to susceptible hosts. Taking a one health approach to tackle and develop disinfectants to target Acanthamoeba is warranted, as the amoebae may be hosting various microbes such as multiple drug-resistant bacteria and even viruses such as the novel coronavirus.

Original languageEnglish
Pages (from-to)781-788
Number of pages8
JournalInternational Microbiology
Volume25
Issue number4
Early online date6 Jul 2022
DOIs
Publication statusPublished - Nov 2022

Keywords

  • Acanthamoeba castellanii
  • Animals
  • Anti-Bacterial Agents
  • Bacteria
  • COVID-19
  • Disinfectants
  • Escherichia coli
  • Humans
  • Morganella morganii
  • One Health

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