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Table 1 Reconstructed EBP regulons of Clostridiales

From: Genomic reconstruction of σ54 regulons in Clostridiales

EBP Target operon Function Distribution
AcoR acoABCL Acetoin catabolism Clostridium
AdhR adhA Alcohol synthesis Clostridium
AguQ aguDA, aguBC, aguQT Agmatine metabolism Clostridium
AhcR atoE-hbd-cotX Butyrate/Butanol synthesis Clostridium
AorR aor-moaD Alcohol synthesis Clostridium, Geosporobacter
AtlR atlEFG,
atlD-tkt-rpi-araD-manB
Pentitol catabolism Clostridioides, Clostridium, Geosporobacter, Lachnoclostridium
BldR butA 2,3-Butanediol synthesis Clostridium
CelR celCA-bglB-celB, celFB Cellobiose catabolism Alkaliphilus, Clostridium
CitP citA Transporter Alkaliphilus, Clostridium, Geosporobacter
CrbR crt-hbd-thl-maoC-bcd-etfAB, cotX-gntT Butyrate/Butanol synthesis Clostridium
DhaQ dhaKLM, ptsI Dihydroxyacetone metabolism Acetobacterium, Clostridium, Geosporobacter
DioR dpaL-pyrC-argE, tdcF, yqeB, pbuX, ygeW-ygfK-ssnA-ygeY, dioR,
yqeC-ygfJ-yqeB-xdhC-hyp-fepDCB
Unknown Clostridioides, Clostridium, Desulfotomaculum
GamR puuDT Amino acid metabolism Clostridioides, Clostridium, Romboutsia
GasR puuXP Amino acid metabolism Clostridium
GfrR gfrABCDEF Glucosamine/fructosamine catabolism Clostridioides, Clostridium
HiaR hiaL-hyp-hutH Histidine catabolism Clostridium
CdsR cdsB Cysteine catabolism Clostridium, Clostridioides
LeuR hadAIBC-acdB-etfBA Leucine catabolism Clostridioides
LevR levDEFG-sacC Levan catabolism Clostridium
MdeR mdeA-metT Methionine catabolism Clostridium
MopR mopR, mop, hyp-moeA Unknown Clostridium
OrdR ord-ortBA-oraSEF-orr-nhaC Ornithine catabolism Clostridioides, Clostridium, Geosporobacter, Romboutsia
PrdR prdABDEF, prdC Proline catabolism Alkaliphilus, Clostridioides, Clostridium, Geosporobacter
SadR sadh Alcohol synthesis Clostridium
SarR grdGF Sarcosine metabolism Clostridioides
XanR abfD-nifU-hyp-ach-golB,
acp-caiC-luxEC
Butyrate/Butanol synthesis Clostridium
XcaA thl Unknown Clostridium, Geosporobacter
YcbP phyL-uroD-eamA Unknown Dehalobacterium, Desulfosporosinus
XcgR cotY-gntT-bcd-etfAB Butyrate/Butanol synthesis Clostridium, Geosporobacter
XcyR malY-pepT-hyp Peptide degradation Clostridioides, Clostridium, Flavonifractor, Geosporobacter, Lachnoclostridium
XduR kdgT-uxaA Pectin degradation Alkaliphilus, Clostridioides, Clostridium, Geosporobacter
XhaQ rhaT Transporter Clostridioides
XhpR hyp-memP Unknown Desulfosporosinus, Carboxydocella, Desulfotomaculum
XptB sulT, hyp Unknown Dehalobacterium, Desulfitobacterium, Desulfosporosinus, Carboxydocella
YctR crt-gntT-caiB-bcd-etfAB Butyrate/Butanol synthesis Clostridioides
YglR hyp-gltD Unknown Clostridium
YpdR metM-memP-pepABC,
fmdE-metM-hemABC
Peptide degradation Clostridium
YpyB pdc-tdh-hyp Unknown Clostridium, Desulfosporosinus, Geosporobacter
ZypR tyrB-iorAB-butK Amino acid metabolism Clostridioides, Clostridium, Romboutsia