A single cell the size of a human eyelash is now the world's largest known bacteria, scientists report this week. 'It would be like a human encountering another human as tall as Mount Everest.'
The bacterium has more than 500,000 copies of its genome in a single cell. With six terabytes of DNA, the bacterium stores 1,000 times more DNA than a human cell, said co-author Tanja Woyke of LBNL.
The researchers suggest the DNA is compartmentalized because the bacterium has to have multiple copies of its genome to produce the proteins it needs throughout its giant structure.It is "actually quite puzzling to realize that a single bacterium can be so strong and hold its shape like this," Volland said, adding "it is probably the first opportunity we have to play with tweezers with a single bacterium.
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