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What is transformation in bacteria?

Quick Answer

Transformation is the uptake of free DNA from the environment by a bacterium. Some bacteria can use this DNA to gain new traits.

The Full Story

In transformation, a bacterium absorbs DNA fragments that are floating in its surroundings, often from dead cells. If the DNA is incorporated into the cell’s genome or maintained in a plasmid, it can alter the bacterium’s traits. This ability is called competence and is naturally present in some species. Transformation is a classic mechanism in genetics research and a key example of horizontal gene transfer.

Key Facts

1.Bacteria can take up free DNA from their environment
2.Cells capable of this are called competent
3.It can produce new traits if the DNA is retained

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Suggested video title for this topic:

"Bacteria eating stray DNA"

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