Secretion Systems Flashcards
T1SS has 3 parts:
ATP-binding cassette
Outer membrane factor (OMF/OMP)
Membrane fusion protein (MFP)
T1SS
Example secreted proteins
Salmonella enterica- secretes SiiE and BapA
MFP links _________ to ___________ and is found in type ________SS
- ABC
- OMP
- Type 1SS
ABC in T1SS _______________+________ protein
Unfolds + translocates the protein
Once protein bound the MFP
Associates tightly with OMP
T2SS
Examples of secreted:
Cholera Toxin
Enterotoxin A
T2SS
Or _________
Sec dependant pathway
T2SS found in _______ (bacteria type)
Gram neg proteobacteria
T2SS in pseudomonas have _________
And ______in v.cholera
- 15 different subtypes
- 20 different subtypes
T2SS Required for virulence in \_\_\_\_\_ \_\_\_\_\_ \_\_\_\_\_
V. Cholera
Enterotoxogenic E.coli
Pseudomonas
T2SS
Span _______ membranes
But…
Both
But… CM only spanned to anchor
T3SS
Or
Injectosome
T3SS
Found in
Pathogenic and non pathogenic Gram (-)
T2SS inhibited by
Guarding mine
T3SS is _______ dependant
ATP-
T3SS
Found in
Yersina
T4SS
Transports
Nucleotides and proteins
T4SS
__________competence
Associated with natural
Ie. transformation
T4SS Gram ______ cells
(-) and (+)
T4SS
Found in
E.coli
Helictobacter
Pseudomonas aeruginosa
Bordetella Pertussis
T5SS
Used by ______ to secrete ______
Yersina
YadA
T5SS
Found in
E.coli
Yersina
T5SS range of proteins dependant on
Plasma encoded virulence factors
T6SS
Gram _____
(-)
T655 delivers
Effector proteins
T6SS
Most similar to ________
Both like ______
T3SS
Phage tail
Found in many proteobacteria
T6SS
V.cholera and P.aerugenosa have
T6SS
T7SS specialized for
Mycobacterium
T7SS
________ +__________ facilitate substrate secretion they are found in the _________
EspG and EccA
Cytoplasm
T7SS substraits
EsxA
EsxB
Substrate processing in periplasm
T7SS
Yops use _______and are found in ______they are a type of _________
T3SS
Yersina
Effector protein
YadA uses a
T5SS