Ribosomes Released from Lactic Acid Bacteria (<i>Lactobacillus acidophilus</i>) Inside a Cell (IMAGE)
Caption
It was generally believed that bacteria without infectious capacity, such as lactic acid bacteria, are not able to enter cells. However, when extracellular lactic acid bacteria are added to human skin cells treated with trypsin, they are engulfed by the cell via endocytosis. After that, it is thought that the bacteria cell wall decomposes thereby releasing ribosomes. Some ribosomes remain in the cytoplasm while others are absorbed into the nucleus through the nuclear pores.
Credit
Associate Professor Kunimasa Ohta
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