Bacterial flagella, which promotes bacterial movement, is also commonly referred to as the "foot" of bacteria, and its formation requires a steady stream of proteins. Japanese scientists have recently discovered that the so-called proton driving force generated by the potential difference between the inside and outside of the cell membrane and the difference in hydrogen ion concentration is a power source for the mechanism of translocation of the flagellar proteins.
According to reports by Japanese media, the Japan Science and Technology Agency and Osaka University have jointly issued a press communique that said that flagella is an elongated helical fibrous moving organ that exists on the surface of cells. The movement of bacteria mainly depends on it. The proteins that make up flagella need to be constantly replenished so that flagella can grow.
Scientists of the research group found that in the process of protein delivery that requires a lot of energy, a “transport gate†at the base of the flagellum uses the proton drive force generated by the potential difference between the inside and outside of the cell membrane and the difference in hydrogen ion concentration as a power to transport proteins.
The press communique said that in the future, the research team will study in detail the movement of protein molecules in the process of flagellar protein transport, and on this basis, strive to clarify this highly efficient material transport and energy conversion mechanism.
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