Microbiology - Hansen Lab – Research output — University of Texas Southwestern Medical Center

2015

A Moraxella catarrhalis two-component signal transduction system necessary for growth in liquid media affects production of two lysozyme inhibitors

Joslin, S. N., Pybus, C., Labandeira-Rey, M., Evans, A. S., Attia, A. S., Brautigam, C. A. & Hansen, E. J., 2015, In: Infection and immunity. 83, 1, p. 146-160 15 p.

Research output: Contribution to journal › Article › peer-review

Open Access

7 Scopus citations

2014

Haemophilus ducreyi Hfq contributes to virulence gene regulation as cells enter stationary phase

Gangaiah, D., Labandeira, M., Zhang, X., Fortney, K. R., Ellinger, S., Zwickl, B., Baker, B., Liu, Y., Janowicz, D. M., Katz, B. P., Brautigam, C. A., Munson, R. S., Hansen, E. J. & Spinola, S. M., Feb 11 2014, In: mBio. 5, 1, e01081-13.

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Identification of an outer membrane lipoprotein involved in nasopharyngeal colonization by Moraxella catarrhalis in an animal model

Wang, W., Joslin, S. N., Pybus, C., Evans, A. S., Lichaa, F., Brautigam, C. A. & Hansen, E. J., 2014, In: Infection and immunity. 82, 6, p. 2287-2299 13 p.

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

The haemophilus ducreyi lspa1 protein inhibits phagocytosis by using a new mechanism involving Activation of C-terminal src kinase

Dodd, D. A., Worth, R. G., Rosen, M. K., Grinstein, S., van Oers, N. S. C. & Hansen, E. J., May 20 2014, In: mBio. 5, 3, e01178-14.

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

2013

Development of a LacZ-based transcriptional reporter system for use with Moraxella catarrhalis

Evans, A. S., Pybus, C. & Hansen, E. J., Mar 2013, In: Plasmid. 69, 2, p. 180-185 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

3 Scopus citations

2012

Mycobacterial shuttle vectors designed for high-level protein expression in infected macrophages

Eitson, J. L., Medeiros, J. J., Hoover, A. R., Srivastava, S., Roybal, K. T., Aínsa, J. A., Hansen, E. J., Gumbo, T. & Van Oersa, N. S. C., Oct 2012, In: Applied and environmental microbiology. 78, 19, p. 6829-6837 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

8 Scopus citations

Use of the chinchilla model for nasopharyngeal colonization to study gene expression by Moraxella catarrhalis

Hoopman, T. C., Liu, W., Joslin, S. N., Pybus, C., Sedillo, J. L., Labandeira-Rey, M., Laurence, C. A., Wang, W., Richardson, J. A., Bakaletz, L. O. & Hansen, E. J., Mar 2012, In: Infection and immunity. 80, 3, p. 982-995 14 p.

Research output: Contribution to journal › Article › peer-review

Open Access

19 Scopus citations

2011

A Haemophilus ducreyi CpxR deletion mutant is virulent in human volunteers

Labandeira-Rey, M., Dodd, D., Fortney, K. R., Zwickl, B., Katz, B. P., Janowicz, D. M., Spinola, S. M. & Hansen, E. J., Jun 15 2011, In: Journal of Infectious Diseases. 203, 12, p. 1859-1865 7 p.

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Identification of gene products involved in the oxidative stress response of Moraxella catarrhalis

Hoopman, T. C., Liu, W., Joslin, S. N., Pybus, C., Brautigam, C. A. & Hansen, E. J., Feb 2011, In: Infection and immunity. 79, 2, p. 745-755 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

34 Scopus citations

The Moraxella catarrhalis nitric oxide reductase is essential for nitric oxide detoxification

Wang, W., Kinkel, T., Martens-Habbena, W., Stahl, D. A., Fang, F. C. & Hansen, E. J., Jun 2011, In: Journal of bacteriology. 193, 11, p. 2804-2813 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

19 Scopus citations

2010

Characterization of the CpxRA regulon in Haemophilus ducreyi

Labandeira, M., Brautigam, C. A. & Hansen, E. J., Nov 2010, In: Infection and immunity. 78, 11, p. 4779-4791 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

33 Scopus citations

Modulation of iron homeostasis in macrophages by bacterial intracellular pathogens

Pan, X., Tamilselvam, B., Hansen, E. J. & Daefler, S., 2010, In: BMC microbiology. 10, 64.

Research output: Contribution to journal › Article › peer-review

57 Scopus citations

2009

Identification of a bacteriocin and its cognate immunity factor expressed by Moraxella catarrhalis.

Attia, A. S., Sedillo, J. L., Hoopman, T. C., Liu, W., Liu, L., Brautigam, C. A. & Hansen, E. J., 2009, In: BMC microbiology. 9, p. 207 1 p.

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Inactivation of the haemophilus ducreyi luxS gene affects the virulence of this pathogen in human subjects

Labandeira-Rey, M., Janowicz, D. M., Blick, R. J., Fortney, K. R., Zwickl, B., Katz, B. P., Spinola, S. M. & Hansen, E. J., Aug 1 2009, In: Journal of Infectious Diseases. 200, 3, p. 409-416 8 p.

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Regulation of expression of the Haemophilus ducreyi LspB and LspA2 proteins by CpxR

Labandeira-Rey, M., Mock, J. R. & Hansen, E. J., Aug 2009, In: Infection and immunity. 77, 8, p. 3402-3411 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

23 Scopus citations

2008

Characterization of fig operon mutants of Francisella novicida U112

Kiss, K., Liu, W., Huntley, J. F., Norgard, M. V. & Hansen, E. J., Aug 2008, In: FEMS Microbiology Letters. 285, 2, p. 270-277 8 p.

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Haemophilus ducreyi LspA proteins are tyrosine phosphorylated by macrophage-encoded protein tyrosine kinases

Deng, K., Mock, J. R., Greenberg, S., Van Oers, N. S. C. & Hansen, E. J., Oct 2008, In: Infection and immunity. 76, 10, p. 4692-4702 11 p.

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Identification of a repressor of a truncated denitrification pathway in Moraxella catarrhalis

Wang, W., Richardson, A. R., Martens-Habbena, W., Stahl, D. A., Fang, F. C. & Hansen, E. J., Dec 2008, In: Journal of bacteriology. 190, 23, p. 7762-7772 11 p.

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Modular arrangement of allelic variants explains the divergence in moraxella catarrhalis uspa protein function

Brooks, M. J., Sedillo, J. L., Wagner, N., Laurence, C. A., Wang, W., Attia, A. S., Hansen, E. J. & Gray-Owen, S. D., Nov 2008, In: Infection and immunity. 76, 11, p. 5330-5340 11 p.

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Moraxella catarrhalis binding to host cellular receptors is mediated by sequence-specific determinants not conserved among all UspA1 protein variants

Brooks, M. J., Sedillo, J. L., Wagner, N., Wang, W., Attia, A. S., Wong, H., Laurence, C. A., Hansen, E. J. & Gray-Owen, S. D., Nov 2008, In: Infection and immunity. 76, 11, p. 5322-5329 8 p.

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Moraxella catarrhalis expresses an unusual Hfq protein

Attia, A. S., Sedillo, J. L., Wang, W., Liu, W., Brautigam, C. A., Winkler, W. & Hansen, E. J., Jun 2008, In: Infection and immunity. 76, 6, p. 2520-2530 11 p.

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Moraxella catarrhalis synthesizes an autotransporter that is an acid phosphatase

Hoopman, T. C., Wang, W., Brautigam, C. A., Sedillo, J. L., Reilly, T. J. & Hansen, E. J., Feb 2008, In: Journal of bacteriology. 190, 4, p. 1459-1472 14 p.

Research output: Contribution to journal › Article › peer-review

Open Access

13 Scopus citations

2007

A UspA2H-negative variant of Moraxella catarrhalis strain O46E has a deletion in a homopolymeric nucleotide repeat common to uspA2H genes

Wang, W., Pearson, M. M., Attia, A. S., Blick, R. J. & Hansen, E. J., Apr 2007, In: Infection and immunity. 75, 4, p. 2035-2045 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

12 Scopus citations

Characterization of the Moraxella catarrhalis Opa-like protein, OlpA, reveals a phylogenetically conserved family of outer membrane proteins

Brooks, M. J., Laurence, C. A., Hansen, E. J. & Gray-Owen, S. D., Jan 2007, In: Journal of bacteriology. 189, 1, p. 76-82 7 p.

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Identification of gene products involved in biofilm production by Moraxella catarrhalis ETSU-9 in vitro

Pearson, M. M. & Hansen, E. J., Sep 2007, In: Infection and immunity. 75, 9, p. 4316-4325 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

32 Scopus citations

Metabolic analysis of Moraxella catarrhalis and the effect of selected in vitro growth conditions on global gene expression

Wang, W., Reitzer, L., Rasko, D. A., Pearson, M. M., Blick, R. J., Laurence, C. & Hansen, E. J., Oct 2007, In: Infection and immunity. 75, 10, p. 4959-4971 13 p.

Research output: Contribution to journal › Article › peer-review

43 Scopus citations

2006

A conserved tetranucleotide repeat is necessary for wild-type expression of the Moraxella catarrhalis UspA2 protein

Attia, A. S. & Hansen, E. J., Nov 2006, In: Journal of bacteriology. 188, 22, p. 7840-7852 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

30 Scopus citations

Binding of vitronectin by the Moraxella catarrhalis UspA2 protein interferes with late stages of the complement cascade

Attia, A. S., Ram, S., Rice, P. A. & Hansen, E. J., Mar 2006, In: Infection and immunity. 74, 3, p. 1597-1611 15 p.

Research output: Contribution to journal › Article › peer-review

Open Access

84 Scopus citations

Biofilm formation by Moraxella catarrhalis in vitro: Roles of the UspA1 adhesin and the Hag hemagglutinin

Pearson, M. M., Laurence, C. A., Guinn, S. E. & Hansen, E. J., Mar 2006, In: Infection and immunity. 74, 3, p. 1588-1596 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

71 Scopus citations

Development of a shuttle vector for Moraxella catarrhalis

Wang, W., Attia, A. S., Liu, L., Rosche, T., Wagner, N. J. & Hansen, E. J., Jan 2006, In: Plasmid. 55, 1, p. 50-57 8 p.

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Identification of Francisella tularensis genes affected by iron limitation

Deng, K., Blick, R. J., Liu, W. & Hansen, E. J., Jul 2006, In: Infection and immunity. 74, 7, p. 4224-4236 13 p.

Research output: Contribution to journal › Article › peer-review

94 Scopus citations

Plasmid pWW115, a cloning vector for use with Moraxella catarrhalis

Wang, W. & Hansen, E. J., Sep 2006, In: Plasmid. 56, 2, p. 133-137 5 p.

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

2005

Haemophilus ducreyi targets Src family protein tyrosine kinases to inhibit phagocytic signaling

Mock, J. R., Vakevainen, M., Deng, K., Latimer, J. L., Young, J. A., Van Oers, N. S. C., Greenberg, S. & Hansen, E. J., Dec 2005, In: Infection and immunity. 73, 12, p. 7808-7816 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

20 Scopus citations

The UspA2 protein of Moraxella catarrhalis is directly involved in the expression of serum resistance

Attia, A. S., Lafontaine, E. R., Latimer, J. L., Aebi, C., Syrogiannopoulos, G. A. & Hansen, E. J., Apr 2005, In: Infection and immunity. 73, 4, p. 2400-2410 11 p.

Research output: Contribution to journal › Article › peer-review

58 Scopus citations

2004

Erratum: Mutations in the lspA1 and lspA2 Genes of Haemophilus ducreyi Affect the Virulence of This Pathogen in an Animal Model System (Infection and Immunity (2003) 71:5 (2478-2486))

Ward, C. K., Latimer, J. L., Nika, J., Vakevainen, M., Mock, J. R., Deng, K., Blick, R. J. & Hansen, E. J., Feb 2004, In: Infection and immunity. 72, 2, p. 1221 1 p.

Research output: Contribution to journal › Comment/debate › peer-review

Expression of the LspA1 and LspA2 proteins by Haemophilus ducreyi is required for virulence in human volunteers

Janowicz, D. M., Fortney, K. R., Katz, B. P., Latimer, J. L., Deng, K., Hansen, E. J. & Spinola, S. M., Aug 2004, In: Infection and immunity. 72, 8, p. 4528-4533 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

43 Scopus citations

The LspB Protein Is Involved in the Secretion of the LspA1 and LspA2 Proteins by Haemophilus ducreyi

Ward, C. K., Mock, J. R. & Hansen, E. J., Apr 2004, In: Infection and immunity. 72, 4, p. 1874-1884 11 p.

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

2003

A CdtA-CdtC Complex Can Block Killing of HeLa Cells by Haemophilus ducreyi Cytolethal Distending Toxin

Deng, K. & Hansen, E. J., Nov 2003, In: Infection and immunity. 71, 11, p. 6633-6640 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

33 Scopus citations

FindGDPs: Identification of primers for labeling microbial transcriptomes for DNA microarray analysis

Blick, R. J., Revel, A. T. & Hansen, E. J., Sep 1 2003, In: Bioinformatics. 19, 13, p. 1718-1719 2 p.

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Haemophilus ducreyi Requires an Intact flp Gene Cluster for Virulence in Humans

Spinola, S. M., Fortney, K. R., Katz, B. P., Latimer, J. L., Mock, J. R., Vakevainen, M. & Hansen, E. J., Dec 2003, In: Infection and immunity. 71, 12, p. 7178-7182 5 p.

Research output: Contribution to journal › Article › peer-review

59 Scopus citations

Inhibition of phagocytosis by Haemophilus ducreyi requires expression of the LspA1 and LspA2 proteins

Vakevainen, M., Greenberg, S. & Hansen, E. J., Oct 1 2003, In: Infection and immunity. 71, 10, p. 5994-6003 10 p.

Research output: Contribution to journal › Article › peer-review

47 Scopus citations

Mutations in the lspA1 and lspA2 genes of Haemophilus ducreyi affect the virulence of this pathogen in an animal model system

Ward, C. K., Latimer, J. L., Nika, J., Vakevainen, M., Mock, J. R., Deng, K., Blick, R. J. & Hansen, E. J., May 1 2003, In: Infection and immunity. 71, 5, p. 2478-2486 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

20 Scopus citations

2002

A hag mutant of Moraxella catarrhalis strain O35E is deficient in hemagglutination, autoagglutination, and immunoglobulin D-binding activities

Pearson, M. M., Lafontaine, E. R., Wagner, N. J., St. Geme, J. W. & Hansen, E. J., 2002, In: Infection and immunity. 70, 8, p. 4523-4533 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

79 Scopus citations

Haemophilus ducreyi requires the flp gene cluster for microcolony formation in vitro

Nika, J. R., Latimer, J. L., Ward, C. K., Blick, R. J., Wagner, N. J., Cope, L. D., Mahairas, G. G., Munson, R. S. & Hansen, E. J., 2002, In: Infection and immunity. 70, 6, p. 2965-2975 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

55 Scopus citations

The lbgAB gene cluster of Haemophilus ducreyi encodes a β-1,4-galactosyltransferase and an α-1,6-DD-heptosyltransferase involved in lipooligosaccharide biosynthesis

Tullius, M. V., Phillips, N. J., Scheffler, N. K., Samuels, N. M., Munson, R. S., Hansen, E. J., Stevens-Riley, M., Campagnari, A. A. & Gibson, B. W., 2002, In: Infection and immunity. 70, 6, p. 2853-2861 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

26 Scopus citations

2001

Characterization of Haemophilus ducreyi cdtA, cdtB, and cdtC mutants in in vitro and in vivo systems

Lewis, D. A., Stevens, M. K., Latimer, J. L., Ward, C. K., Deng, K., Blick, R., Lumbley, S. R., Ison, C. A. & Hansen, E. J., 2001, In: Infection and immunity. 69, 9, p. 5626-5634 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

43 Scopus citations

Expression of cytolethal distending toxin and hemolysin is not required for pustule formation by Haemophilus ducreyi in human volunteers

Young, R. S., Fortney, K. R., Gelfanova, V., Phillips, C. L., Katz, B. P., Hood, A. F., Latimer, J. L., Munson R.S., J., Hansen, E. J. & Spinola, S. M., 2001, In: Infection and immunity. 69, 3, p. 1938-1942 5 p.

Research output: Contribution to journal › Article › peer-review

Open Access

50 Scopus citations

Expression of the Moraxella catarrhalis UspA1 protein undergoes phase variation and is regulated at the transcriptional level

Lafontaine, E. R., Wagner, N. J. & Hansen, E. J., 2001, In: Journal of bacteriology. 183, 5, p. 1540-1551 12 p.

Research output: Contribution to journal › Article › peer-review

72 Scopus citations

Investigation of the interaction among the components of the cytolethal distending toxin of Haemophilus ducreyi

Deng, K., Latimer, J. L., Lewis, D. A. & Hansen, E. J., 2001, In: Biochemical and Biophysical Research Communications. 285, 3, p. 609-615 7 p.

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Involvement of HxuC outer membrane protein in utilization of hemoglobin by Haemophilus influenzae

Cope, L. D., Love, R. P., Guinn, S. E., Gilep, A., Usanov, S., Estabrook, R. W., Hrkal, Z. & Hansen, E. J., 2001, In: Infection and immunity. 69, 4, p. 2353-2363 11 p.

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Microbiology - Hansen Lab

Research output

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