Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Probiotic Oxalate-Degrading Bacteria: New Insight of Environmental Variables and Expression of The Oxc and Frc Genes on Oxalate Degradation Activity

Version 1 : Received: 28 July 2022 / Approved: 29 July 2022 / Online: 29 July 2022 (10:00:53 CEST)

How to cite: Karamad, D.; KHosravi-Darani, K.; Mousavi-Khaneghah, A.; Miller, A. Probiotic Oxalate-Degrading Bacteria: New Insight of Environmental Variables and Expression of The Oxc and Frc Genes on Oxalate Degradation Activity . Preprints 2022, 2022070458 (doi: 10.20944/preprints202207.0458.v1). Karamad, D.; KHosravi-Darani, K.; Mousavi-Khaneghah, A.; Miller, A. Probiotic Oxalate-Degrading Bacteria: New Insight of Environmental Variables and Expression of The Oxc and Frc Genes on Oxalate Degradation Activity . Preprints 2022, 2022070458 (doi: 10.20944/preprints202207.0458.v1).

Abstract

Oxalate, a compound produced by many edible plants and as a terminal metabolite in the liver of mammals, is a toxin that has a detrimental role to human health. Humans and other mam-mals do produce the enzymatic machinery to degrade oxalate. However, numerous oxa-late-degrading bacteria reside in the mammalian gut and thus provide an important function for hosts. The current review focuses on the environmental factors that influence the efficacy of pro-biotic oxalate-degrading bacteria, relative to oxalate metabolism. We describe the mechanism of oxalate catabolism and its consumption by obligate and facultative anaerobic oxalate-degrading bacteria, in both in vitro and in vivo environments. We also explore the environmental variables that impact oxalate degradation. Studies on single species degrade oxalate have not shown a strong impact on oxalate metabolism especially in high oxalate conditions such as consumption of foods high in oxalate (such as coffee and chocolate for humans or halogeton in animal feed). Considering effective variables which enhance oxalate degradation could be used in application of effective probiotic as a therapeutic tool in individuals with hyperoxaluria. This study indicates probiotics can be considered a good source of naturally occurring oxalate degrading agent in human colon

Keywords

probiotic bacteria; oxalate-degrading; variables; in vivo; in vitro; oxaluria

Subject

BIOLOGY, Agricultural Sciences & Agronomy

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