Mesosome
From Wikipedia, the free encyclopedia
- For other uses, see Mesosome (arachnid).
Mesosomes are the invaginations of the plasma membrane that can form into vesicles. They are found to be present in both gram-positive and gram-negative bacteria. Mesosomes may play a role in cell wall formation during cell division and/or chromosome replication and distribution and/or electron transfer systems of respiration. They act as an anchor to bind and pull apart daughter chromosomes during cell division. It is now widely believed that mesosomes may be artifacts formed during the process of chemical fixation of bacteria for electron microscopy and thus they actually do not exist in reality.
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