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Esculin Hydrolysis Negative And Tcda-Only Producing Strains Of Clostridium (Clostridioides) Difficile From The Environment In Western Australia, Nirajmohan Shivaperumal, Daniel R. Knight, Korakrit Imwattana, Grace O. Androga, Barbara J. Chang, Thomas V. Riley
Esculin Hydrolysis Negative And Tcda-Only Producing Strains Of Clostridium (Clostridioides) Difficile From The Environment In Western Australia, Nirajmohan Shivaperumal, Daniel R. Knight, Korakrit Imwattana, Grace O. Androga, Barbara J. Chang, Thomas V. Riley
Research outputs 2022 to 2026
Background and Aims: Clostridium (Clostridiodes) difficile clade 3 ribotype (RT) 023 strains that fail to produce black colonies on bioMérieux ChromID agar have been reported, as well as variant strains of C. difficile that produce only toxin A. We have recently isolated strains of C. difficile from the environment in Western Australia (WA) with similar characteristics. The objective of this study was to characterize these strains. It was hypothesized that a putative β-glucosidase gene was lacking in these strains of C. difficile, including RT 023, leading to white colonies. Methods and Results: A total of 17 environmental isolates of C. …