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Bradley L Bearson
Swine Odor and Manure Management Research
Microbiologist

Phone: (515) 294-0209
Fax: (515) 294-1209
2110 UNIVERSITY BOULEVARD
NAT SOIL TILTH LAB
AMES, IA, 50011

Projects
EFFECTS OF DIET FORMULATION ON ZOONOTIC PATHOGENS IN SWINE FECES AND MANURE
Appropriated (D)
  Accession Number: 410469

Publications
Molecular profiling: catecholamine modulation of gene expression in enteropathogenic bacteria - (Book/Chapter) - (29-Mar-09)
The QseB Response Regulator is Required for Decreased Bacterial Motility and Swine Colonization in a QseC Mutant of Salmonella enterica serovar Typhimurium - (Abstract) - (20-Feb-09)
EVALUATING THE ROLE OF SDIA AND HHA IN ENHANCED ADHERENCE OF A SDIA HHA DOUBLE MUTANT OF ENTEROHEMORRHAGIC ESCHERICHIA COLI O157:H7 - (Abstract) - (22-Jan-09)
Escherichia coli O157:H7 Glutamate- and Arginine-dependent Acid Resistance Systems Protect Against Oxidative Stress During Extreme Acid Challenge - (Peer Reviewed Journal)
Bearson, B.L., Lee, I., Casey, T. 2009. Escherichia coli O157:H7 Glutamate- and Arginine-dependent Acid Resistance Systems Protect Against Oxidative Stress During Extreme Acid Challenge. Microbiology. 155(3):805-812.
Escherichia coli O157:H7 Glutamate- and Arginine-dependent Acid Resistance Systems Protect Against Oxidative Stress During Extreme Acid Challenge - (Abstract)
Bearson, B.L., Casey, T., Lee, I. 2008. Escherichia coli O157:H7 glutamate- and arginine-dependent acid resistance systems protect against oxidative stress during extreme acid challenge. Proceedings of 48th Microbiology Society of Korea Annual Meeting & 2008 International Symposium on Microbiology, May 15-16, 2008, Daejeon, Korea. p. 210.
Animal Emissions Analyzed by both Chemical and Odor Panel Methods - (Proceedings/Symposium)
Trabue, S.L., Kerr, B.J., Ziemer, C.J., Bearson, B.L. 2008. Animal Emissions Analyzed by both Chemical and Odor Panel Methods. Proceedings of the Air & Waste Management Association Annual Meeting, June 24-27, 2008, Portland, OR. 2008 CDROM.
Iron regulated genes of Salmonella enterica serovar Typhimurium in response to norepinephrine and the requirement of fepCDG for norepinephrine-enhanced growth - (Peer Reviewed Journal)
Bearson, B.L., Bearson, S.M., Uthe, J., Houghton, J., Dowd, S.E., Lee, I., Toscano, M.J., Lay Jr, D.C. 2008. Iron regulated genes of Salmonella enterica serovar Typhimurium in response to norepinephrine and the requirement of fepCDG for norepinephrine-enhanced growth. Microbes and Infection. 10(7):807-816.
Comparative sulfur analysis using thermal combustion or inductively coupled plasma methodology and mineral composition of common livestock feedstuffs - (Peer Reviewed Journal)
Kerr, B.J., Ziemer, C.J., Weber, T.E., Trabue, S.L., Bearson, B.L., Shurson, G.C., Whitney, M.H. 2008. Comparative sulfur analysis using thermal combustion or inductively coupled plasma methodology and mineral composition of common livestock feedstuffs. Journal of Animal Science. 86(9):2377-2384.
TRAVERSING THE SWINE GASTROINTESTINAL TRACT: SALMONELLA PATHOGENESIS AND THE PORCINE RESPONSE TO INFECTION - (Book/Chapter) - (28-Mar-08)
EVALUATION OF THE EFFECTS OF QUORUM-SENSING SIGNALING PATHWAYS ON THE EXPRESSION OF HHA AND OTHER REGULATORS OF LEE EXPRESSION IN ESCHERICHIA COLI O157:H7 - (Abstract)
Sharma, V.K., Bearson, S.M., Bearson, B.L. 2008. Evaluation of the effects of quorum-sensing signaling pathways on the expression of hha and other regulators of LEE expression in Escherichia coli O157:H7 [abstract]. American Society for Microbiology Meeting. Paper No. H036.
The role of QseC quorum-sensing sensor kinase in colonization and norepinephrine-enhanced motility of Salmonella enterica serovar Typhirmurium - (Peer Reviewed Journal)
Bearson, B.L., Bearson, S.M. 2008. The role of QseC quorum-sensing sensor kinase in colonization and norepinephrine-enhanced motility of Salmonella enterica serovar Typhirmurium. Microbial Pathogenesis. 44:271-278.
The Role of the QseC Sensor Kinase in Salmonella enterica serovar Typhimurium Quorum Sensing and Swine Colonization - (Abstract)
Bearson, B.L., Bearson, S.M. 2007. The role of the QseC sensor kinase in Salmonella enterica serovar Typhimurium quorum sensing and swine colonization [abstract]. In: Proceedings of 3rd American Society for Microbiology Conference on Cell-Cell Communication in Bacteria, October 7-10, 2007, Austin, Texas. p. 34, 20A.
Effects of aging on microbial ecology in swine manure - (Abstract)
Ziemer, C.J., Kerr, B.J., Trabue, S.L., Bearson, B.L. 2007. Effects of aging on microbial ecology in swine manure [abstract]. 107th ASM General Meeting, May 21-25, 2007, Toronto, Ontario, Canada. 2007 CDROM.
The QseBC Quorum Sensing System is Involved in Salmonella enterica serovar Typhimurium Colonization of the Swine Gastrointestinal Tract - (Proceedings/Symposium)
Bearson, B.L., Bearson, S.M. 2007. The QseBC Quorum Sensing System is Involved in Salmonella enterica serovar Typhimurium Colonization of the Swine Gastrointestinal Tract. In: Proceedings of the 7th International Symposium on the Epidemiology and Control of Foodborne Pathogens in Pork, May 9-11, 2007, Verona, Italy. p. 409-412.
Cultivation of Salmonella enterica serovar Typhimurium in a norepinephrine-containing medium alters in vivo tissue prevalence in swine - (Peer Reviewed Journal)
Toscano, M.J., Stabel, T.J., Bearson, S.M., Bearson, B.L., Lay Jr, D.C. 2007. Cultivation of Salmonella enterica serovar Typhimurium in a norepinephrine-containing medium alters in vivo tissue prevalence in swine. Journal of Experimental Animal Science. 43(4):329-338.
Cultivation of Salmonella enterica serovar Typhimurium in a norepinephrine-containing medium alters in vivo tissue prevalence in swine - (Peer Reviewed Journal)
Toscano, M.J., Stabel, T.J., Bearson, S.M., Bearson, B.L., Lay Jr, D.C. 2007. Cultivation of Salmonella enterica seovar Typhimurium in a norepinephrine-containing medium alters in vivo tissue prevalence in swine. Journal of Experimental Animal Science. 43(4):329-338.
SENSITIVITY OF SALMONELLA ENTERICA SEROVAR TYPHIMURIUM TO LACTIC ACID PRESENT IN PORCINE STOMACH CONTENTS - (Abstract)
Bearson, B.L., Bearson, S.M., Rasmussen, M.A. 2006. Sensitivity of Salmonella enterica serovar Typhimurium to lactic acid present in porcine stomach contents [abstract]. American Society for Microbiology. p.639.
GENETIC ANALYSIS OF THE SURVIVAL OF SALMONELLA ENTERICA SEROVAR TYPHIMURIUM WITHIN RUMEN PROTOZOA - (Proceedings/Symposium)
Bearson, S.M., Bearson, B.L., Rasmussen, M.A. 2006. Genetic analysis of the survival of Salmonella enterica serovar Typhimurium within rumen protozoa. Proceedings of 13S International Symposium Salmonella and Salmonellosis. p.279-282.
IDENTIFICATION OF SALMONELLA ENTERICA SEROVAR TYPHIMURIUM GENES IMPORTANT FOR SURVIVAL IN THE SWINE GASTRIC ENVIRONMENT - (Peer Reviewed Journal)
Bearson, S.M., Bearson, B.L., Rasmussen, M.A. 2006. Identification of Salmonella enterica serovar Typhimurium genes important for survival in the swine gastric environment. Applied and Environmental Microbiology. 72(4):2829-2836.
CHARACTERIZATION OF GENES INVOLVED IN NOREPINEPHRINE-ENHANCED GROWTH OF SALMONELLA ENTERICA SEROVAR TYPHIMURIUM - (Abstract)
Winter, K., Houghton, J.O., Bearson, B.L. 2005. Characterization of genes involved in norepinephrine-enhanced growth of salmonella enterica serovar typhimurium. American Society for Microbiology Branch Meeting. p. 66.
DNA MICROARRAY ANALYSIS OF SALMONELLA ENTERICA SEROVAR TYPHIMURIUM DURING EXPOSURE TO NOREPINEPHRINE - (Abstract)
Bearson, B.L., Bearson, S.M., Uthe, J.J., Toscano, M.J., Lay Jr, D.C. 2005. DNA microarray analysis of Salmonella enterica serovar Typhimurium during exposure to norepinephrine [abstract]. American Society for Microbiology. p. 361.
A SELF-PROPELLED, CONSTANT SPEED SPRAY VACCINATOR FOR COMMERCIAL LAYER CHICKENS - (Peer Reviewed Journal)
Branton, S.L., Lott, B.D., Evans, J.D., Collier, S.D., Roush, W.B., Bearson, S.M., Bearson, B.L., Pharr, G.T. 2005. A self-propelled, constant speed spray vaccinator for commercial layer chickens. Avian Diseases. 49:147-151.
EXPRESSION OF LDRD IN E. COLI O157:H7 AND SALMONELLA ENTERICA SEROVAR TYPHIMURIUM INHIBITS GROWTH - (Abstract)
Bearson, B.L., Casey, T., Bearson, S.M. 2004. Expression of ldrd in E. coli O157:H7 and Salmonella enterica serovar Typhimurium inhibits growth [abstract]. American Society for Microbiology. p. 297.
USING SIGNATURE-TAGGED MUTAGENESIS TO IDENTIFY SALMONELLA ENTERICA SEROVAR TYPHIMURIUM GENES INVOLVED IN SURVIVAL IN THE SWINE STOMACH - (Abstract)
Bearson, S.M., Bearson, B.L., Jensen, A.M., Dolphin Rooney, H. 2004. Using signature-tagged mutagenesis to identify Salmonella enterica serovar Typhimurium genes involved in survival in the swine stomach [abstract]. American Society for Microbiology. p. 369-370.
IDENTIFYING SALMONELLA ENTERICA SEROVAR TYPHIMURIUM GENES IMPORTANT FOR SURVIVAL IN THE SWINE STOMACH USING SIGNATURE-TAGGED MUTAGENESIS (GENOMIC SEQUENCE AND ANALYSIS CONFERENCE, SAVANNAH, GA, 9/21-24/03) - (Abstract)
BEARSON, S.M., BEARSON, B.L. IDENTIFYING SALMONELLA ENTERICA SEROVAR TYPHIMURIUM GENES IMPORTANT FOR SURVIVAL IN THE SWINE STOMACH USING SIGNATURE-TAGGED MUTAGENESIS. GENOMIC SEQUENCE AND ANALYSIS CONFERENCE. 2003. ABSTRACT p. P101.
GLUTATHIONE IS REQUIRED FOR ACID RESISTANCE IN E. COLI O157:H7 - (Abstract)
BEARSON, B.L., BEARSON, S.M., CASEY, T.A. GLUTATHIONE IS REQUIRED FOR ACID RESISTANCE IN E. COLI O157:H7. AMERICAN SOCIETY FOR MICROBIOLOGY. 2003. ABSTRACT P. 365.
INDUCTION OF A MYCOPLASMA GALLISEPTICUM PMGA GENE IN THE CHICKEN TRACHEAL RING ORGAN CULTURE MODEL - (Peer Reviewed Journal)
BEARSON, S.M., COLLIER, S.D., BEARSON, B.L., BRANTON, S.L. INDUCTION OF A MYCOPLASMA GALLISEPTICUM PMGA GENE IN THE CHICKEN TRACHEAL RING ORGAN CULTURE MODEL. AVIAN DISEASES. 2003. v. 47. p. 745-749.
INDUCTION OF THE MYCOPLASMA GALLISEPTICUM PMGA1.2 GENE IN THE CHICKEN TRACHEAL RING ORGAN CULTURE MODEL (INTERNATIONAL POULTRY SCIENTIFIC FORUM, ATLANTA, GA, 1/20-21/2003) - (Abstract)
BEARSON, S.M., COLLIER, S.D., BRANTON, S.L., BEARSON, B.L., MONTGOMERY, R.D. INDUCTION OF THE MYCOPLASMA GALLISEPTICUM PMGA1.2 GENE IN THE CHICKEN TRACHEAL RING ORGAN CULTURE MODEL. INTERNATIONAL POULTRY SCIENTIFIC FORUM. 2003. ABSTRACT P. 52.

   
 
Last Modified: 05/12/2009
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