RE: Bacteria not only spear their enemies, they arm their allies too!

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RE: Bacteria not only spear their enemies, they arm their allies too!

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justtryme90 (71)in #science • 8 years ago

Out of curiosity, what are the names for the proteins that assemble together to make the type III complex you showed in the illustration?

8 years ago in #science by justtryme90 (71)

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lanimal (61) 8 years ago

This doesn't give the specific names, but there are many proteins. According to the Wikipedia entry

The T3SS is composed of approximately 30 different proteins, making it one of the most complex secretion systems. Its structure shows many similarities with bacterial flagella (long, rigid, extracellular structures used for motility). Some of the proteins participating in T3SS share amino-acid sequence homology to flagellar proteins. Some of the bacteria possessing a T3SS have flagella as well and are motile (Salmonella, for instance), and some do not (Shigella, for instance). Technically speaking, type III secretion is used both for secreting infection-related proteins and flagellar components. However, the term "type III secretion" is used mainly in relation to the infection apparatus. The bacterial flagellum shares a common ancestor with the type III secretion system.[2][3]

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