What question did this study set out to answer?

This research aims to investigate the role of the novel serine protease Rv1815 in Mycobacterium tuberculosis.

Characterization of a novel Mycobacterium tuberculosis serine protease Rv1815 in regulating bacterial metabolism and macrophage intracellular survival

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Characterizes Rv1815's role in bacterial metabolism and intracellular survival, suggesting its importance in pathogenicity.

This research aims to investigate the role of the novel serine protease Rv1815 in Mycobacterium tuberculosis.
Purified Rv1815 in Escherichia coli.
Created a rv1815 deletion mutant in Mycobacterium tuberculosis.
Performed proteomic analysis to assess protein expression related to virulence and metabolism.
Rv1815 exhibits serine protease activity and is secreted extracellularly.
Essential for bacterial virulence, growth, and intracellular survival in macrophages.
Negatively regulates resistance to rifampicin and influences bacterial morphology.

Feng et al. (2026) studied this question.

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