Scientists have recently discovered a new mechanism that bacteria use to uptake vitamin B12. This is exciting news, as it could lead to a better understanding of how bacteria interact with their environment and could potentially lead to new treatments for bacterial infections. The mechanism discovered is an active-transport system, which uses energy to move molecules across a membrane. The transport system is composed of two proteins, BtuB and BtuF, which form a channel on the cell membrane. This channel allows vitamin B12 to enter the cell, where it is used as a coenzyme in various metabolic processes. This discovery could help us to better understand the role of vitamin B12 in bacterial physiology and provide us with new strategies to control bacterial infections.

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source: Phys.org