A bioremediation project introduces Pseudomonas aeruginosa carrying a degradative plasmid. After a few weeks, indigenous soil microbes exhibit the degradative trait, even though the original strain is no longer detectable. What is the MOST plausible explanation?

Question

Answer

The indigenous microbes mutated to acquire the degradation function

Answer

Plasmid transfer occurred from the introduced strain to native microbes

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The gene was incorporated into the soil matrix

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The plasmid was lost but residual proteins remain active

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A bioremediation project introduces Pseudomonas aeruginosa carrying a degradativ...

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