MM3 gm- secretion systems
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What does Gm - secretion systems contribute to?
What is secreted?
products used for moving proteins from cytoplasm-->periplasm-->outer membrane--> envir/host
What is the sec system known as? Objective?
- general secretory pathway (GSP)
- transports proteins from cytoplasm to periplasm
What do newly transmitted proteins do?
wrap around pilot & Sec B w/in cytoplasm
How many types of pathways are there?
7 which push proteins through OM
- 2 step system
- forms channels
- found only in Gm - bacteria
- sec independent
- involves conjugal transfer
- sec dependent pathways:
- transport effectors across periplasm
- 2nd step across OM
- SIMILAR to Type II
- sec-independent pathways
- needle and tubule system
What is the process for Type III
bacteria pilli contact host cell
Pathogen islands in bacteria do what?
Encode proteins responsible for Type III system
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