Maddock Lab
Publications
Mallozzi M, Bozue J, Giorno R, Moody KS, Slack A, Cote C, Qiu D, Wang R, McKenney P, Lai EM, Maddock JR, Friedlander A, Welkos S, Eichenberger P, Driks A. (2008)  Characterization of a Bacillus anthracis spore coat-surface protein that influences coat-surface morphology.
FEMS Microbiol Lett. Dec;289(1):110-7.

Bardy SL, Maddock JR . (2007) Polar explorations.  Recent insights into the polarity of bacterial proteins.
Curr Opin Microbiol. Dec;10(6):617-623.

Jiang M, Sullivan SM, Wout PK, Maddock JR. (2007)  G-protein control of the ribosome-associated stress response protein SpoT.
J Bacteriol. Sep;189(17):6140-7.

Giorno R., C. Bozue, T. Cote, K. Wenzel, M. Moody, R. Ryan, R. Wang, R. Zielke, J.R. Maddock, A. Friedlander, S. Welkos and A. Driks. (2007) Morphogenesis of the Bacillus anthrasis spore coat.
J. Bacteriol. 189: 691-705.

Fuentes, J.L., K. Datta, S.M. Sullivan, A. Walker, J.R. Maddock. (2007) In vivo functional characterization of the Saccharomyces cerevisiae 60S biogenesis GTPase Nog1.
Mol. Genet. Genomics. Apr 19.

Jiang, M., S.M. Sullivan, A.K. Walker, J.R. Strahler, P.C. Andrews and J.R. Maddock. . (2007) Identification of novel Escherichia coli ribosome associated proteins using isobaric tags and multidimensional protein identification techniques.
J. Bacteriol. :189. 3434-3444.

Sikora A.E., K. Datta and J.R. Maddock. (2006) Biochemical properties of the Vibrio harveyi CgtAV GTPase.
BBRC. 339: 1165-1170.

Sikora A.E., R. Zielke, K. Datta and J.R. Maddock. (2006) The Vibrio harveyi GTPase CgtAV is essential and is associated with the 50S ribosomal subunit.
J Bacteriol. 188: 1205-1210.

Jiang M., K. Datta, A. Walker, J. Strahler, P. Bagamasbad, P.C. Andrews and J.R. Maddock. (2006) The Escherichia coli GTPase CgtAE is involved in late steps of large ribosome assembly.
J Bacteriol. 188: 6757-6770.

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Jagtap, P., G.Michailidis, R. Zielke, A.K. Walker, N. Patel, J.R. Strahler, A. Driks, P.C. Andrews and J.R. Maddock. (2006) Early events of Bacillus anthracis germination identified by time-course quantitative proteomics.
Proteomics. 6: 5199-5211.

Bharat A, Jiang M, Sullivan SM, Maddock JR, Brown ED. (2006) A cooperative and critical role for both G-domains in the GTPase activity and cellular function of ribosome-associated Escherichia coli EngA. .
J Bacteriol. 188: 7992-7996.

Datta, K., J. L. Fuentes and J. R. Maddock. (2005) The yeast GTPase Mtg2p is required for mitochondrial translation and partially suppresses an rRNA methyltransferase mutant, mrm2.
Mol Biol Cell. 16: 954-963.

Lybarger, S. R., U. Nair, A. A. Lilly, G. L. Hazelbauer and J. R. Maddock. (2005) Clustering requires modified methyl-accepting sites in low-abundance but not high-abundance chemoreceptors of Escherichia coli.
Mol Microbiol. 56: 1078-1086.

Maddock J.R. (2005) High-resolution anatomy of a progressively pinching cell division.
J Bacteriol. 187: 6867-6869.

Bardy S.L. and J.R. Maddock. (2005) Polar localization of a soluble methyl-accepting protein of Pseudomonas aeruginosa.
J Bacteriol. 187: 7840-7844.

Lin, B., D. A. Thayer and J. R. Maddock. (2004) The Caulobacter crescentus CgtAC protein cosediments with the free 50S ribosomal subunit.
J. Bacteriol. 186:481-489.

Lai, E.-M., U. Nair, N. D. Phadke, and J. R. Maddock. (2004) Proteomic screening and identification of the differentially distributed membrane proteins in Escherichia coli.
Mol. Microbiol. 52:1029-1044.

Wout, P., K. Pu, S. M. Sullivan, V. Reese, S. Zhou, B. Lin and J. R. Maddock. (2004) The Escherichia coli GTPase CgtAE cofractionates with the 50S ribosomal subunit and interacts with SpoT, a ppGpp synthetase/hydrolase.
J. Bacteriol. 186:5249-5257.

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Datta, K., J. M. Skidmore, K. Pu and J. R. Maddock. (2004) The Caulobacter crescentus GPTase CgtAC is required for progression through the cell cycle and for maintaining 50S ribosomal subuint levels.
Mol Microbiol. 54: 1379-1392.

Lai, E.-M., N. D. Phadke, M. T. Kachman, R. Giorno, S. Vazquez, J. A. Vazquez, J. R. Maddock* and A. Driks (* corresponding author). (2003) Proteomic Analysis of the Spore Coats of Bacillus subtilis and Bacillus anthracis.
J. Bacteriol. 185:1443-1454.

Kroos, L. and J. R. Maddock. (2003) Prokaryotic development: Emerging insights.
J. Bacteriol. 185: 1128-1146.

Harshey, R. M., I. Kawagishi, J.R. Maddock and L. J. Kenney. (2003) Function, diversity and evolution of signal transduction in prokaryotes.
Develop. Cell. 4:459-465.

Martin, A. C., U. Nair J. P. Armitage and J. R. Maddock. (2003) Polar localization of CheA2 in Rhodobacter sphaeroides requires specific Che homologs.
J. Bacteriol. 185:4667-4671.

Molloy, M.P., N.D. Phadke, H. Chen, R. Tyldesley, D.E. Garfin, J.R. Maddock and P.C. Andrews. (2002) Profiling the alkaline membrane proteome of Caulobacter crescentus with two-dimensional electrophoresis and mass spectrometry.
Proteomics. 2:899-910.

Wadhams G.H., A.C. Martin, S.L. Porter, J.R. Maddock, J.C. Mantotta, H.M. King and J.P. Armitage. (2002) TlpC, a novel chemotaxis protein in Rhodobacter sphaeroides, localizes to a discrete region in the cytoplasm.
Mol Microbiol. 46:1211-1221.

Lin, B. and J.R. Maddock. (2001) The N-terminal domain of the Caulobacter crescentus CgtA protein does not function as a guanine nucleotide exchange factor.
FEBS Letters. 489:108-111.

Lybarger, S. R. and J.R. Maddock. (2001) Differences in the polar clustering of the high- and low-abundance chemoreceptors of Escherichia coli.
Proc Natl. Acad. Sci. U.S.A. 97:8057-8062.

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Lin, B.; J.M. Skidmore, A. Bhatt, S.M. Pfeffer, L. Pawloski and J.R. Maddock. (2001) Alanine scan mutagenesis of the switch I domain of the Caulobacter crescentus CgtA protein reveals critical amino acids required for in vivo function.
Molecular Microbiology. 39:924-934.

Molloy, M. P., N.D. Phadke, J.R. Maddock and P.C. Andrews. (2001) Two-dimensional electrophoresis and peptide mass-fingerprinting of bacterial outer membrane proteins.
Electrophoresis. 22:1686-1696.

Lybarger, S. R. and J.R. Maddock. (2001) Polarity in action: Asymmetric protein localization in bacteria.
J. Bacteriol. . 183:3261-3267.

Nierman, W. C., T.V. Feldblyum, M.T. Laub, I.T. Paulsen, K. Nelson, J. Eisen, J.F. Heidelberg, M.R.K. Alley, N. Ohta, J.R. Maddock, I. Potocka, W.C. Nelson, A. Newton, C. Stephens, N.D. Phadke, B. Ely, R.T. DeBoy, R.J. Dodson, A.S. Durkin, M.L. Gwinn, D.H. Haft, J.F. Kolonay, J. Smit, M.B. Craven, H. Khouri, J. Shetty, K. Berry, T. Utterback, K. Tran, A. Wolf, J. Vamathevan, M. Ermolaeva, O. White, S.L. Salzberg, J.C. Venter, L. Shapiro and C.M. Fraser. (2001) Complete genome sequence of Caulobacter crescentus.
Proc. Natl. Acad. Sci. 98:4136-4141.

Phadke, N. D., M.P. Molloy, S.A. Steinhoff, P.J. Ulintz, P.C. Andrews and J.R. Maddock. (2001) Analysis of the outer membrane proteome of Caulobacter crescentus by two-dimensional electrophoresis and mass spectrometry.
Proteomics. 1:705-720.

Gonin, M., E.M. Quardokus, D. ODonnol, J.R. Maddock and Y.V. Brun. (2000) Regulation of stalk elongation by phosphate in Caulobacter crescentus.
J. Bacteriol. 182:337-47.

Skidmore, J. M., D.D. Ellefson, B.P. McNamara, M.M.P.C. Couto, A.J. Wolfe and J.R. Maddock. (2000) Polar clustering of the chemoreceptor complex in Escherichia coli occurs in the absence of complete CheA function.
J. Bacteriol. 182:967-73.

Sullivan, S. M. and J.R. Maddock. (2000) Bacterial sporulation: pole-to-pole protein oscillation.
Curr. Biol. 10:R159-61.

Sullivan, S. M. and J.R. Maddock. (2000) Bacterial division: Finding the dividing line.
Curr. Biol. 10:R249-52.

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Sullivan, S. M., R. Mishra, R.R. Neubig and J.R. Maddock. (2000) Analysis of guanine nucleotide binding and exchange kinetics of the Escherichia coli GTPase ERA.
J. Bacteriol. 182:3460-3466.

Lybarger, S. R. and J.R. Maddock. (2000) Differences in the polar clustering of the high- and low-abundance chemoreceptors of Escherichia coli. 97:8057-8062.

Harrison, D. M., J. Skidmore, J.P. Armitage and J.R. Maddock. (1999) Localization and environmental regulation of MCP-like proteins in Rhodobacter sphaeroides.
Mol. Microbiol. 31:885-92.

Jacobs, C., I.J. Domian, J.R. Maddock and L. Shapiro. (1999) Cell cycle-dependent polar localization of an essential bacterial histidine kinase that controls DNA replication and cell division.
Cell. 97:111-20.

Lybarger S.R. and J.R. Maddock. (1999) Clustering of the chemoreceptor complex in Escherichia coli is independent of the methyltransferase CheR and the methylesterase CheB.
J. Bacteriol. 181:5527-9.

Lin, B., K.L. Covalle and J.R. Maddock. (1999) The Caulobacter crescentus CgtA protein displays unusual guanine nucleotide binding and exchange properties.
J. Bacteriol. 181:5825-32.

VanWinkle-Swift, K., K. Baron, A. McNamara, P. Minke, C. Burrascano and J.R. Maddock. (1998) The Chlamydomonas zygospore: mutant strains of Chlamydomonas monoica blocked in zygospore morphogenesis comprise 46 complementation groups.
Genetics. 148:131-7.

Stephens, C., C. Mohr, D. Boyd, J.R. Maddock, J. Gober and L. Shapiro. (1997) Identification of the fliI and fliJ components of the Caulobacter flagellar type III protein secretion system.
J. Bacteriol. 179:5355-65.

Maddock, J.R., A. Bhatt, M. Koch and J. Skidmore. (1997) Identification of an essential Caulobacter crescentus gene encoding a member of the Obg family of GTP-binding proteins.
J. Bacteriol. 179:6426-31.

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Maddock, J. R., J. Roy and J.L. Woolford, Jr. (1996) Six novel genes necessary for pre-mRNA splicing in Saccharomyces cerevisiae.
Nucleic Acids Res. 24:1037-44.

Roy, J., K. Kim, J.R. Maddock, J.G. Anthony and J.L. Woolford, Jr. (1995) The final stages of spliceosome maturation require Spp2p that can interact with the DEAH box protein Prp2p and promote step 1 of splicing.
RNA. 1:345-90.

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