George W Ordal

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Research Output

2020

The mechanism of bidirectional pH taxis in Bacillus subtilis

Tohidifar, P., Plutz, M. J., Ordal, G. W. & Rao, C. V., Feb 1 2020, In : Journal of bacteriology. 202, 4, e00491-19.

Research output: Contribution to journalArticle

Open Access
2018

In vitro assay for measuring receptor-kinase activity in the bacillus subtilis chemotaxis pathway

Walukiewicz, H. E., Ordal, G. W. & Rao, C. V., Jan 1 2018, Methods in Molecular Biology. Humana Press Inc., p. 95-105 11 p. (Methods in Molecular Biology; vol. 1729).

Research output: Chapter in Book/Report/Conference proceedingChapter

2014
2012

Elucidation of the multiple roles of CheD in Bacillus subtilis chemotaxis

Glekas, G. D., Plutz, M. J., Walukiewicz, H. E., Allen, G. M., Rao, C. V. & Ordal, G. W., Nov 1 2012, In : Molecular Microbiology. 86, 3, p. 743-756 14 p.

Research output: Contribution to journalArticle

The Bacillus subtilis chemoreceptor McpC senses multiple ligands using two discrete mechanisms

Glekas, G. D., Mulhern, B. J., Kroc, A., Duelfer, K. A., Lei, V., Rao, C. V. & Ordal, G. W., Nov 16 2012, In : Journal of Biological Chemistry. 287, 47, p. 39412-39418 7 p.

Research output: Contribution to journalArticle

2011

Cellular stoichiometry of the chemotaxis proteins in Bacillus subtilis

Cannistraro, V. J., Glekas, G. D., Rao, C. V. & Ordal, G. W., Jul 1 2011, In : Journal of bacteriology. 193, 13, p. 3220-3227 8 p.

Research output: Contribution to journalArticle

Site-specific methylation in Bacillus subtilis chemotaxis: Effect of covalent modifications to the chemotaxis receptor McpB

Glekas, G. D., Cates, J. R., Cohen, T. M., Rao, C. V. & Ordal, G. W., Jan 1 2011, In : Microbiology. 157, 1, p. 56-65 10 p.

Research output: Contribution to journalArticle

2010

A PAS domain binds asparagine in the chemotaxis receptor McpB in Bacillus subtilis

Glekas, G. D., Foster, R. M., Cates, J. R., Estrella, J. A., Wawrzyniak, M. J., Rao, C. V. & Ordal, G. W., Jan 15 2010, In : Journal of Biological Chemistry. 285, 3, p. 1870-1878 9 p.

Research output: Contribution to journalArticle

2009

The molecular basis of excitation and adaptation during chemotactic sensory transduction in Bacteria

Rao, C. V. & Ordal, G. W., Jul 31 2009, Bacterial Sensing and Signaling. Collin, M. & Schuch, R. (eds.). p. 33-64 32 p. (Contributions to Microbiology; vol. 16).

Research output: Chapter in Book/Report/Conference proceedingChapter

2008

The diverse CheC-type phosphatases: Chemotaxis and beyond

Muff, T. J. & Ordal, G. W., Dec 1 2008, In : Molecular Microbiology. 70, 5, p. 1054-1061 8 p.

Research output: Contribution to journalShort survey

The three adaptation systems of Bacillus subtilis chemotaxis

Rao, C. V., Glekas, G. D. & Ordal, G. W., Oct 1 2008, In : Trends in Microbiology. 16, 10, p. 480-487 8 p.

Research output: Contribution to journalReview article

2007

Assays for CheC, FliY, and CheX as Representatives of Response Regulator Phosphatases

Muff, T. J. & Ordal, G. W., Jan 1 2007, Two Component Signaling Systems, Part B. Academic Press Inc., p. 336-348 13 p. (Methods in Enzymology; vol. 423).

Research output: Chapter in Book/Report/Conference proceedingChapter

CheX in the three-phosphatase system of bacterial chemotaxis

Muff, T. J., Foster, R. M., Liu, P. J. Y. & Ordal, G. W., Oct 1 2007, In : Journal of bacteriology. 189, 19, p. 7007-7013 7 p.

Research output: Contribution to journalArticle

The CheC phosphatase regulates chemotactic adaptation through CheD

Muff, T. J. & Ordal, G. W., Nov 23 2007, In : Journal of Biological Chemistry. 282, 47, p. 34120-34128 9 p.

Research output: Contribution to journalArticle

2006

A receptor-modifying deamidase in complex with a signaling phosphatase reveals reciprocal regulation

Chao, X., Muff, T. J., Park, S. Y., Zhang, S., Pollard, A. M., Ordal, G. W., Bilwes, A. M. & Crane, B. R., Feb 10 2006, In : Cell. 124, 3, p. 561-571 11 p.

Research output: Contribution to journalArticle

2005

Large increases in attractant concentration disrupt the polar localization of bacterial chemoreceptors

Lamanna, A. C., Ordal, G. W. & Kiessling, L. L., Aug 1 2005, In : Molecular Microbiology. 57, 3, p. 774-785 12 p.

Research output: Contribution to journalArticle

2004

Analysis of chimeric chemoreceptors in Bacillus subtilis reveals a role for CheD in the function of the McpC HAMP domain

Kristich, C. J. & Ordal, G. W., Sep 1 2004, In : Journal of bacteriology. 186, 17, p. 5950-5955 6 p.

Research output: Contribution to journalArticle

Bacillus subtilis CheC and FliY are members of a novel class of CheY-P-hydrolyzing proteins in the chemotactic signal transduction cascade

Szurmant, H., Muff, T. J. & Ordal, G. W., May 21 2004, In : Journal of Biological Chemistry. 279, 21, p. 21787-21792 6 p.

Research output: Contribution to journalArticle

Diversity in chemotaxis mechanisms among the bacteria and archaea

Szurmant, H. & Ordal, G. W., Jun 1 2004, In : Microbiology and Molecular Biology Reviews. 68, 2, p. 301-319 19 p.

Research output: Contribution to journalReview article

Effect of loss of CheC and other adaptational proteins on chemotactic behaviour in Bacillus subtilis

Saulmon, M. M., Karatan, E. & Ordal, G. W., Mar 2004, In : Microbiology. 150, 3, p. 581-589 9 p.

Research output: Contribution to journalReview article

Ligand-induced conformational changes in the Bacillus subtilis chemoreceptor McpB determined by disulfide crosslinking in vivo

Szurmant, H., Bunn, M. W., Cho, S. H. & Ordal, G. W., Dec 3 2004, In : Journal of Molecular Biology. 344, 4, p. 919-928 10 p.

Research output: Contribution to journalArticle

Receptor conformational changes enhance methylesterase activity during chemotaxis by Bacillus subtilis

Bunn, M. W. & Ordal, G. W., Feb 1 2004, In : Molecular Microbiology. 51, 3, p. 721-728 8 p.

Research output: Contribution to journalArticle

The last gene of the fla/che operon in Bacillus subtilis, ylxL, is required for maximal σD function

Werhane, H., Lopez, P., Mendel, M., Zimmer, M., Ordal, G. W. & Márquez-Magaña, L. M., Jun 1 2004, In : Journal of bacteriology. 186, 12, p. 4025-4029 5 p.

Research output: Contribution to journalArticle

2003

Bacillus subtilis hydrolyzes CheY-P at the location of its action, the flagellar switch

Szurmant, H., Bunn, M. W., Cannistraro, V. J. & Ordal, G. W., Dec 5 2003, In : Journal of Biological Chemistry. 278, 49, p. 48611-48616 6 p.

Research output: Contribution to journalArticle

The conserved cytoplasmic module of the transmembrane chemoreceptor McpC mediates carbohydrate chemotaxis in Bacillus subtilis

Kristich, C. J., Glekas, G. D. & Ordal, G. W., Mar 1 2003, In : Molecular Microbiology. 47, 5, p. 1353-1366 14 p.

Research output: Contribution to journalArticle

Transmembrane organization of the Bacillus subtilis chemoreceptor McpB deduced by cysteine disulfide crosslinking

Bunn, M. W. & Ordal, G. W., Aug 22 2003, In : Journal of Molecular Biology. 331, 4, p. 941-949 9 p.

Research output: Contribution to journalArticle

2002

Aerotactic responses in bacteria to photoreleased oxygen

Yu, H. S., Saw, J. H., Hou, S., Larsen, R. W., Watts, K. J., Johnson, M. S., Zimmer, M. A., Ordal, G. W., Taylor, B. L. & Alam, M., Dec 17 2002, In : FEMS microbiology letters. 217, 2, p. 237-242 6 p.

Research output: Contribution to journalArticle

Bacillus subtilis CheD is a chemoreceptor modification enzyme required for chemotaxis

Kristich, C. J. & Ordal, G. W., Jul 12 2002, In : Journal of Biological Chemistry. 277, 28, p. 25356-25362 7 p.

Research output: Contribution to journalArticle

The role of heterologous receptors in McpB-mediated signalling in Bacillus subtilis chemotaxis

Zimmer, M. A., Szurmant, H., Saulmon, M. M., Collins, M. A., Bant, J. S. & Ordal, G. W., Jan 1 2002, In : Molecular Microbiology. 45, 2, p. 555-568 14 p.

Research output: Contribution to journalArticle

2001

CheC is related to the family of flagellar switch proteins and acts independently from CheD to control chemotaxis in Bacillus subtilis

Kirby, J. R., Kristich, C. J., Saulmon, M. M., Zimmer, M. A., Garrity, L. F., Zhulin, I. B. & Ordal, G. W., Nov 26 2001, In : Molecular Microbiology. 42, 3, p. 573-585 13 p.

Research output: Contribution to journalArticle

Globin-coupled sensors: A class of heme-containing sensors in Archaea and Bacteria

Hou, S., Freitas, T., Larsen, R. W., Piatibratov, M., Sivozhelezov, V., Yamamoto, A., Meleshkevitch, E. A., Zimmer, M., Ordal, G. W. & Alam, M., Jul 31 2001, In : Proceedings of the National Academy of Sciences of the United States of America. 98, 16, p. 9353-9358 6 p.

Research output: Contribution to journalArticle

Phosphorylation of the Response Regulator CheV Is Required for Adaptation to Attractants during Bacillus subtilis Chemotaxis

Karatan, E., Saulmon, M. M., Bunn, M. W. & Ordal, G. W., Nov 23 2001, In : Journal of Biological Chemistry. 276, 47, p. 43618-43626 9 p.

Research output: Contribution to journalArticle

2000

CheB is required for behavioural responses to negative stimuli during chemotaxis in Bacillus subtilis

Kirby, J. R., Niewold, T. B., Maloy, S. & Ordal, G. W., Jan 18 2000, In : Molecular Microbiology. 35, 1, p. 44-57 14 p.

Research output: Contribution to journalArticle

Myoglobin-like aerotaxis transducers in Archaea and Bacteria

Hou, S., Larsen, R. W., Boudko, D., Riley, C. W., Karatan, E., Zimmer, M., Ordal, G. W. & Alam, M., Feb 3 2000, In : Nature. 403, 6769, p. 540-544 5 p.

Research output: Contribution to journalArticle

Selective methylation changes on the Bacillus subtilis chemotaxis receptor McpB promote adaptation

Zimmer, M. A., Tiu, J., Collins, M. A. & Ordal, G. W., Aug 11 2000, In : Journal of Biological Chemistry. 275, 32, p. 24264-24272 9 p.

Research output: Contribution to journalArticle

1999

CheY-dependent methylation of the asparagine receptor, McpB, during chemotaxis in Bacillus subtilis

Kirby, J. R., Saulmon, M. M., Kristich, C. J. & Ordal, G. W., Apr 16 1999, In : Journal of Biological Chemistry. 274, 16, p. 11092-11100 9 p.

Research output: Contribution to journalArticle

1998

Unique regulation of carbohydrate chemotaxis in Bacillus subtilis by the phosphoenolpyruvate-dependent phosphotransferase system and the methyl- accepting chemotaxis protein McpC

Garrity, L. F., Schiel, S. L., Merrill, R., Reizer, J., Saier, M. H. & Ordal, G. W., Sep 1 1998, In : Journal of bacteriology. 180, 17, p. 4475-4480 6 p.

Research output: Contribution to journalArticle

1997

Activation of the CheA kinase by asparagine in Bacillus subtilis chemotaxis

Garrity, L. F. & Ordal, G. W., Sep 1997, In : Microbiology. 143, 9, p. 2945-2951 7 p.

Research output: Contribution to journalArticle

Functional and genetic characterization of mcpC, which encodes a third methyl-accepting chemotaxis protein in Bacillus subtilis

Müller, J., Schiel, S., Ordal, G. W. & Saxild, H. H., Oct 1997, In : Microbiology. 143, 10, p. 3231-3240 10 p.

Research output: Contribution to journalArticle

Methanol production during chemotaxis to amino acids in Bacillus subtilis

Kirby, J. R., Kristich, C. J., Feinberg, S. L. & Ordal, G. W., Jan 1 1997, In : Molecular Microbiology. 24, 4, p. 869-878 10 p.

Research output: Contribution to journalArticle

1996

CheC and CheD interact to regulate methylation of Bacillus subtilis methyl-accepting chemotaxis proteins

Rosario, M. M. L. & Ordal, G. W., Jan 1 1996, In : Molecular Microbiology. 21, 3, p. 511-518 8 p.

Research output: Contribution to journalArticle

1995

Chemotactic Methylation and Behavior in Bacillus Subtilis: Role of Two Unique Proteins, CheC and CheD

Rosario, M. M. L., Kirby, J. R., Ordal, G. W. & Bochar, D. A., Sep 1 1995, In : Biochemistry. 34, 11, p. 3823-3831 9 p.

Research output: Contribution to journalArticle

Chemotaxis in Bacillus subtilis: How bacteria monitor environmental signals

Garrity, L. F. & Ordal, G. W., 1995, In : Pharmacology and Therapeutics. 68, 1, p. 87-104 18 p.

Research output: Contribution to journalReview article

Molecular and Biochemical Methods for Studying Chemotaxis in Bacillus subtilis

Rosario, M. M. L. & Ordal, G. W., Jan 1 1995, In : Methods in Molecular Genetics. 6, C, p. 339-366 28 p.

Research output: Contribution to journalArticle

1994

A putative ATP-binding protein from the che/fla locus of bacillus subtilis

Kirsch, M. L., Carpenter, P. B. & Ordal, G. W., Jan 1 1994, In : Mitochondrial DNA. 4, 4, p. 271-275 5 p.

Research output: Contribution to journalArticle

Chemotaxis in Bacillus subtilis requires either of two functionally redundant CheW homologs

Rosario, M. M. L., Fredrick, K. L., Ordal, G. W. & Helmann, J. D., Jan 1 1994, In : Journal of bacteriology. 176, 9, p. 2736-2739 4 p.

Research output: Contribution to journalComment/debate

Cloning and characterization of genes encoding methyl-accepting chemotaxis proteins in Bacillus subtilis

Hanlon, D. W. & Ordal, G. W., May 13 1994, In : Journal of Biological Chemistry. 269, 19, p. 14038-14046 9 p.

Research output: Contribution to journalArticle

Identification of TlpC, a novel 62 kDa MCP-like protein from Bacillus subtilis

Hanlon, D. W., Rosario, M. M. L., Ordal, G. W., Venema, G. & Van Sinderen, D., Jan 1 1994, In : Microbiology. 140, 8, p. 1847-1854 8 p.

Research output: Contribution to journalArticle