Abstract
Mesosomes are unique membranous bacterial structures that actively function in cell injury and physiological cellular processes, such as replication and separation of nucleoids and oxidative phosphorylation. The structures and functions of mesosomes have been studied and identified, but the regulation of their functional properties remains still unclear. Our previous studies confirmed that hydrogen peroxide (H2O2) is involved in mesosome formation during cell injury and cell division processes. The quantity of excess H2O2 accumulation is associated with the mesosome size. This observation has provided great significance in elucidating the mechanisms of maintainance of the functional performance of mesosomes. This article describes the bacterial mesosome and its functions as well as the involvement of H2O2 in mediating these functions.
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