PublicationPublication
Going outside the TonB box: identification of novel FepA-TonB interactions in vivo. 2017. 199: e00649-16. 
From homodimer to heterodimer and back: elucidating the TonB energy transduction cycle. 2015. 197:3433-3445. This article was “Spotlighted” by J. Bacteriol. as an “Article of Significant Interest Selected from This Issue by the Editors”
ExbB cytoplasmic loop deletions cause immediate, proton motive force-independent growth arrest. 2013. 195:4580-4591.
Mutations in the Escherichia coli ExbB transmembrane domains identify scaffolding and signal transduction functions and exclude participation in a proton pathway. 2013. 195:2898-2911.
The ExbD periplasmic domain contains distinct functional regions for two stages in TonB energization. 2012. 194:3069-77.
Identification of functionally important TonB-ExbD periplasmic domain interactions in vivo. 2012. 194:3078-87
ExbD mutants define initial stages in TonB energization. 2012. 415:237-47.
The same periplasmic ExbD residues mediate in vivo interactions between ExbD homodimers and ExbD-TonB heterodimers. 2011. 193:6852-63.
Death of the TonB shuttle hypothesis. 2011. 2:206.
Mutations in the ExbB cytoplasmic carboxy terminus prevent energy-dependent interaction between the TonB and ExbD periplasmic domains. 2011. 193:5649-57.
Taking the Escherichia coli TonB Transmembrane Domain "Offline"? Non-protonatable Asn Substitutes Fully for TonB His20. 2011. 193:3693-3701.
The TonB dimeric crystal structures do not exist in vivo. 2010. pii: e00307-10
Cytoplasmic membrane protonmotive force energizes periplasmic interactions between ExbD and TonB. 2009. 73:466.
Studies on Colicin B translocation:  FepA is gated by TonB. 2007. 65:441-53.
Deletion and substitution analysis of the Escherichia coli TonB-Q160 region. 2007. 189:4662-70.
His(20) provides the sole functionally significant side chain in the essential TonB transmembrane domain. 2007. 189:2825-2833

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TonB system, in vivo assays and characterization. 2007. 422:245-269.
Disulfide trapping of an in vivo energy-dependent conformation of Escherichia coli TonB protein. 2005. 55:276-88.
Crystal structure of the cytotoxic bacterial proteins colicin B at 2.5 Å resolution. 2004. 51:711-720.
Evidence for dynamic clustering of carboxy terminal aromatic amino acids in TonB-dependent energy transduction. 2004. 51:203-213.
Performance of standard phenotypic assays for TonB activity, as evaluated by varying the level of functional wild-type TonB. 2003. 185:4699-4706.
In vivo evidence of TonB shuttling between the cytoplasmic and outer membrane in Escherichia coli. 2003. 49: 211-218.
FepA with globular domain deletions lacks activity. 2002. 184:5508.
ExbB and ExbD do not function independently inTonB-dependent energy transduction. 2002. 184:5170.
Quantitation of known components of the Escherichia coli TonB energy transduction system: TonB, ExbB, ExbD, and FepA. 2002. 44:271-281
TonB interacts with non-receptor proteins in the outer membrane of Escherichia coli. 2002. 184:1640
Conserved residues Ser16 and His20 and their relative positioning are essential for TonB activity, crosslinking of TonB with ExbB, and the ability of TonB to respond to proton motive force. 2001. 276:8111-8117.
Protonmotive force, ExbB, and ligand-bound FepA drive conformational changes in TonB. 1999. 31:1809-1824
Interactions in the TonB-dependent energy transduction complex:  ExbB and ExbD form homomultimers. 1998. 180: 6031-6038.
Cell envelope signaling in Escherichia coli:  Ligand binding to the ferrichrome-iron receptor FhuA promotes interaction with the energy-transducing protein TonB. 1997. 272:28391-28397.
TonB protein appears to transduce energy by shuttling between the cytoplasmic membrane and the outer membrane of Escherichia coli. 1997. 24:271.
Regions of Escherichia coli TonB and FepA protein essential for in vivo physical interactions. 1997. 179:3213.
Identification of TonB homologues in the Enterobacteriaceae and evidence for conservation of TonB-dependent energy transduction complexes. 1996. 178:1363
Characterization of the exbBD operon of Escherichia coli and the role of ExbB and ExbD in TonB function and stability. 1995. 4742-4747.
Partial suppression of an Escherichia coli TonB membrane domain mutation (∆Val17) by a missense mutation in ExbB. 1994. 13:627-640
The role of the TonB amino terminus in energy transduction between membranes. 1994. 176:2326-2338.
Repression of tonB transcription during anaerobic growth requires Fur binding at the promoter and a second factor binding upstream. 1994. 11:943-954.
The conserved proline-rich motif is not essential for energy transduction by Escherichia coli TonB protein. 1993. 10:943-953.
Energy transduction between membranes: TonB, a cytoplasmic membrane protein, can be chemically crosslinked in vivo to the outer membrane receptor, FepA. 1993. 268:16302-16308.
Evidence for a TonB-dependent energy transduction complex in Escherichia coli. 1991. 5:2883-2890.
Analysis of Escherichia coli TonB membrane topology by use of PhoA fusions. 1991. 173:5554-5557.
Aerobic regulation of the Escherichia coli tonB gene by changes in iron availability and the fur locus. 1990. 172:2287-2293.
A mutation in the amino-terminus of a hybrid TrpC-TonB protein relieves overproduction lethality and results in cytoplasmic accumulation. 1989. 107:4442-4447.
Escherichia coli TonB protein is exported from the cytoplasm without proteolytic cleavage of its amino-terminus. 1988. 263:11000-11007.
A bidirectional rho-independent transcription terminator between the Escherichia coli tonB gene and an opposing gene. 1985. 41:477.
Nucleotide sequence of the Tn10 tetR repressor gene. 1984. 12:4849.
Construction of a low copy number promoter vector and its use in the analysis of the regulation of the Tn10 tetracycline resistance determinant. 1984. 158:910.
Sequence homology between the Tn10 and pBR322 tetracycline resistance determinant. 1983. 158:910.
DNA sequence of the Escherichia coli tonB gene. 1983. 80:5235-5239.
Overlapping divergent promoters control expression of Tn10 tetracycline resistance. 1983. 23:149-156.
T-DNA of a crown gall teratoma is covalently joined to host plant DNA. 1980. 287:458.
Recombination between higher plant DNA and the Ti plasmid of Agrobacterium tumefaciens. 1980. 77:6448.
The inverted repeats of the Tn5 are functionally different. 1980. 19:795-805.
Identification of the Escherichia coli tonB gene product in minicells containing tonB hybrid plasmids. 1979. 131:619-636.
HindII and HindIII restriction maps of the att80-tonB-trp region of the Escherichia coli genome, and location of the tonB gene. 1978. 136:1165-1173.