Archaella and bacterial flagella have important similarities and differences in

Question

Archaella and bacterial flagella have important similarities and differences in structure and function. However, archaella also have important similarities and differences with the bacterial type IV pilus. Part C - The Evolution of Archaella Although the archaellum is distinct from the bacterial flagellum, researchers believe that it is an example of divergent evolution and related to the type IV pilus of bacteria. What are some similarities and differences between archaella and the bacterial type IV pilus?

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Archaella are powered directly by ATP, but bacterial type IV pili are powered by a proton motive force.

Archaella are important for swimming motility, while type IV pili are important in twitching motility.

Archaella and type IV pili are both important in attachment to host tissues. Archaella have genetic similarities revealed by genomic studies.

Archaella and type IV pili both act by rotating.

Explanation / Answer

Archaella are powered directly by ATP, but bacterial type IV pili are powered by a proton motive force.

Archaella are important for swimming motility, while type IV pili are important in twitching motility

Archaella have genetic similarities revealed by genomic studies.

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