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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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Bacterial_outer_membrane_vesicles entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-08-23 and was most recently seen on 2026-08-23.
Outer membrane vesicles (OMVs) are vesicles released from the outer membranes of Gram-negative bacteria. While Gram-positive bacteria release vesicles as well, those vesicles fall under the broader category of bacterial membrane vesicles (MVs). OMVs were the first MVs to be discovered, and are distinguished from outer inner membrane vesicles (OIMVs), which are gram-negative bacterial vesicles containing portions of both the outer and inner bacterial membrane. In 1965, cell-free lipopolysaccharide (LPS) was detected in E. coli cultures, and in the following year electron microscopy revealed that these vesicles made of LPS were derived from the outer membrane of the bacteria. OMVs mediate stress response, cell-to-cell communication, host colonization, and immune evasion.
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