Title: Type III secretion Marcia B. Goldberg
1Type III secretionMarcia B. Goldberg
2Salmonella infection
Galan JE, et al.
3Time course of Salmonella infection
Van Engelenburg SB and Palmer AE, Chem Biol
15619, 2008
4(No Transcript)
5Salmonoella SopE is a guanine nucleotide exchange
factor (GEF)
Buchwald G et al. EMBO J 213286, 2002
6Salmonoella SopE is a guanine nucleotide exchange
factor (GEF)
Buchwald G et al. EMBO J 213286, 2002
7Salmonella SipA induces actin polymerization
Actin, high salt
Actin, SipA, low salt
Actin, SipA, high salt
Galkin VE et al. Nat Struct Biol 9518, 2002
8Salmonella SipA stabilizes actin filaments
Galkin VE et al. Nat Struct Biol 9518, 2002
9Salmonella SipA is structurally similar to nebulin
Galkin VE et al. Nat Struct Biol 9518, 2002
10Salmonella SptP is a two-domain protein
Stebbens CE and Galan JE, Mol Cell 61449, 2000
11Salmonella SptP GAP domain interacts with the
Rac1 switch I and switch II regions
Stebbens CE and Galan JE, Mol Cell 61449, 2000
12Salmonella SptP is structurally dissimilar from
other GAPs
Stebbens CE and Galan JE, Mol Cell 61449, 2000
13Salmonella SptP PTP domain is similar to Yersinia
YopH and eukaryotic PTP1B
Stebbens CE and Galan JE, Mol Cell 61449, 2000
14Salmonella SptP dephosphorylates VCP, a AAA
ATPase facilitator of cellular membrane fusion
Humphreys D et al, Cell Host Microbe 5225, 2009
15(No Transcript)
16Salmonella induces endosomal tubulation
Garcia-del Portillo F, et al. PNAS 9010544,
1993 Mills SD et al, Infect Immun 661806, 1998
17Salmonella SifA and SseJ are sufficient to induce
endosomal tubulation
Ohlson MB et al, Cell Host Microbe 4434, 2008
18Endosomal tubulation requires microtubules, and
SKIP
Ohlson MB et al, Cell Host Microbe 4434, 2008
19Salmonella SifA is structurally similar to SopE
Ohlson MB et al, Cell Host Microbe 4434, 2008
20Model for generation of Salmonella endosomal
tubules
Ohlson MB et al, Cell Host Microbe 4434, 2008
21(No Transcript)
22Differential secretion of Salmonella SopE2 and
SptP into host cells
Control bacterium
SopE2
SptP
Van Engelenburg SB and Palmer AE, Chem Biol
15619, 2008
23Differential stability of Salmonella SopE2 and
SptP inside host cells
Van Engelenburg SB and Palmer AE, Chem Biol
15619, 2008