Table 1

S. Typhimurium mutants that exhibited different type 1 fimbrial phenotypes than the parental strain

Category
Mutant
Phenotype
Genea
Function


(agar, broth)



Fimbrial biosynthesis and regulation
K2
-, -
fimZ
Positive regulator of type 1 fimbriae major subunit gene fimA

K14
-, -
fimY
Positive regulator of type 1 fimbriae major subunit gene fimA

K40
-, -
fimA
Major subunit of type 1 fimbriae

K66
-, -
fimD
Fimbrial usher protein of FimA

K75
-, -
fimC
Fimbrial chaperone protein of FimA

K44
-, -
fimH
Adhesin of type 1 fimbriae

K70
+, +
lpfB
Fimbrial chaperone protein of long polar fimbriae

K61
+, +
pefI
Regulator of plasmid-encoded fimbriae

K23
+, +
stbC
Fimbrial usher protein of Stb fimbriae
Putative cytoplasmic protein
K1
+, +
STM1078
Putative cytoplasmic protein

K28
+, +
STM4529
Putative cytoplasmic protein
Global regulator
K46
-, -
lrp
Leucine-responsive regulatory protein

K15
-, -
hupA
Histone-like DNA binding protein
Membrane associated protein
K17,
+, +
yhjV
Putative transporter protein

K39
-, -
STM1128
Putative sodium/glucose cotransporter

K45
-, -
yihO
Putative glycoside-pentoside-hexuronide (GPH) family transport protein

K50
+, +
STM2532
Putative inner membrane lipoprotein

K52
+, +
STM2486
Putative inner membrane protein

K54
-, -
yjiH
Putative inner membrane protein

K72
+, +
mgtB
Mg2+ transporter protein

K30
+, +
narK
Nitrate/nitrite transporter protein
Cell envelope associated protein
K60
+, +
ytfB
Putative cell envelope opacity-associated protein A
Periplasmic protein
K69
+, +
ydbH
Putative periplasmic protein
Ribosome modulation factor
K56
-, -
rmf
Ribosome modulation factor
Type III secretion system
K55
-, -
ssaB
Effector protein of type III secretion system

K59
+, +
invB
Chaperone protein for SopE/SopE2

K63
-, -
ssaV
Apparatus protein for intracellular trafficking and secretion
Prophage-derived protein
K11
+, +
STM4200
Putative phage tail protein H

K33
+, +
sseI
Gifsy-2 prophage putative type III secreted effector protein

K19
-, -
STM1041
Gifsy-2 prophage probable minor tail protein
Sensor protein
K51
+, +
ssrA
Sensor component of type III secretion system

K58
+, +
yehU
Sensor component
Transcription termination factor
K73
-, -
nusA
Transcription termination factor
Enzymes
K3
-, -
cafA
Endoribonuclease

K5
+, +
res
Subunit of type III restriction-modification enzyme

K8
+, +
STM4467
Putative arginine deiminase

K16
+, +
STM1627
Alcohol dehydrogenase class III

K31
+, +
STM2446
Putative iron-dependent peroxidase

K41
-, -
nuoE
NADH dehydrogenase I chain E

K37
+, +
yafA
Putative hydrolase

K43
-, -
miaA
Isopentenylpyrophosphate transferase

K38
-, -
prC
C-terminal protease for penicillin binding protein

K47
-, -
atpH
Membrane-bound ATP synthase

K48
+, +
ubiB
NAD(P)H-flavin reductase

K49
-, -
ydiF
Putative acetyl-CoA: acetoacetyl-CoA transferase

K53
+, +
tdK
Thymidine kinase

K65
+, +
pps
Phosphoenolpyruvate synthase

K57
+, +
ybjX
Putative enzyme with unknown function

K67
+, +
pncA
Nicotinamidase/pyrazinamidase

K68
+, +
rfaB
Lipopolysaccharide 1,6-galactosyltransferase

K71
+, +
xapB
Xanthosine permease

K64
+, +
STM1940
Putative cell wall-associated hydrolase

K74
+, +
cbiA
Cobyrinic acid a, c-diamide synthase

K42
-, -
aroA
3-enolpyruvylshikimate-5-phosphate synthetase

a: The gene that was disrupted by the transposon insertion is listed. The annotation of S. Typhimurium LT2 genome is used if the transposon insertion was present in a gene which is uncharacterized and unnamed.

Chuang et al. BMC Microbiology 2008 8:126   doi:10.1186/1471-2180-8-126