Characterization reveals amidase's critical role in peptidoglycan degradation during chlamydial cell division, implying its importance for bacterial growth.
Peptidoglycan is an important structural cell wall polymer that serves to give bacteria their shape and resistance to changes in extracellular solute concentrations. For Chlamydia trachomatis, an obligate intracellular pathogen that divides within a host cell, peptidoglycan is only used for cell division and is not a component of its cell wall. In this study, we characterize the function of a chlamydial amidase that helps degrade peptidoglycan during cell division. We show a critical function for amidase activity in facilitating changes to the peptidoglycan structure during chlamydial cell division that support normal growth and development of this pathogenic bacterium.
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Dannenberg et al. (2026) studied this question.
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