Projects

ANIMAL AND MANURE MANAGEMENT FOR SUSTAINABLE PRODUCTION AND REDUCED ENVIRONMENTAL IMPACT Appropriated (D)   Accession Number: 420301

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Profiling the gastrointestinal microbiota in response to Salmonella: low versus high Salmonella shedding in the natural porcine host - (Peer Reviewed Journal)

Bearson, S.M., Allen, H.K., Bearson, B.L., Looft, T.P., Brunelle, B.W., Kich, J.D., Christopher, T.K., Bayles, D.O., Alt, D.P., Levine, U.Y., Stanton, T.B. 2013. Profiling the gastrointestinal microbiota in response to Salmonella: low versus high Salmonella shedding in the natural porcine host. Infection, Genetics and Evolution. 16:330-340. Available: http://authors.elsevier.com/sd/article/S1567134813000956.

Hha controls Escherichia coli O157:H7 biofilm formation by differential regulation of global transcriptional regulators FlhDC and CsgD - (Peer Reviewed Journal)

Sharma, V.K., Bearson, B.L. 2013. Hha controls Escherichia coli O157:H7 biofilm formation by differential regulation of global transcriptional regulators FlhDC and CsgD. Applied and Environmental Microbiology. 79(7):2384.

The alternate sigma factor RpoS protects against silver ion toxicity in Salmonella enterica serovar Typhimurium - (Abstract Only)

Yun, J., Choi, S., Bearson, B.L., Lee, I. 2012. The alternate sigma factor RpoS protects against silver ion toxicity in Salmonella enterica serovar Typhimurium. International Meeting of the Microbiological Society of Korea; 5/3-4/12; Seoul, Republic of Korea. p. 41.

Tetracycline can induce the expression of invasion factors in multidrug-resistant Salmonella during early-log phase - (Abstract Only)

Brunelle, B.W., Bearson, S.M., Bearson, B.L. 2012. Tetracycline can induce the expression of invasion factors in multidrug-resistant Salmonella during early-log phase [abstract]. American Society for Microbiology General Meeting, June 16-19, 2012, San Francisco, California. Paper No. 1606.

Profiling the gastrointestinal microbiota in response to Salmonella: low versus high Salmonella shedding in the porcine host - (Abstract Only)

Bearson, S.M., Allen, H.K., Bearson, B.L., Looft, T.P., Brunelle, B.W., Kich, J.D., Bayles, D.O., Alt, D.P., Levine, U.Y., Stanton, T.B. 2012. Profiling the gastrointestinal microbiota in response to Salmonella: low versus high Salmonella shedding in the porcine host [abstract]. American Society for Microbiology General Meeting, June 16-19, 2012, San Francisco, California. p. 3150.

Phenotype microarray analysis of a Salmonella enterica serovar Typhimurium qseC mutant compared to a qseBC mutant and the wild-type strain - (Abstract Only)

Bearson, B.L., Bearson, S.M.D., Lee, I.S. 2012. Phenotype microarray analysis of a Salmonella enterica serovar Typhimurium qseC mutant compared to a qseBC mutant and the wild-type strain [abstract]. In: Abstracts of the 112th General Meeting of the American Society for Microbiology, June 16-19, 2012, San Francisco, California. p. 228.

A mutation in the pnp gene encoding polynucleotide phosphorylase attenuates virulence of Salmonella enterica serovar typhimurium in swine - (Abstract Only)

Bearson, S.M., Bearson, B.L., Lee, I. 2011. A mutation in the pnp gene encoding polynucleotide phosphorylase attenuates virulence of Salmonella enterica serovar typhimurium in swine [abstract]. 111th General Meeting American Society for Microbiology. p.1487.

Swine odor analyzed by both odor panels and chemical techniques - (Peer Reviewed Journal)

Trabue, S.L., Kerr, B.J., Bearson, B.L., Ziemer, C.J. 2011. Swine odor analyzed by both odor panels and chemical techniques. Journal of Environmental Quality. 40:1510-1520.

Serological response of swine to an attenuated Salmonella enterica serovar Typhimurium strain that reduces gastrointestinal colonization, fecal shedding and disease due to virulent Salmonella Typhimurium - (Abstract Only)

Bearson, B.L., Bearson, S.M. 2011. Serological response of swine to an attenuated Salmonella enterica serovar Typhimurium strain that reduces gastrointestinal colonization, fecal shedding and disease due to virulent Salmonella Typhimurium. 9th International Conference on the Epidemiology and Control of biological, chemical and physical hazards in pigs and pork, June 19-22, 2011, Maastricht, Netherlands. p. 228.

Salmonella enterica serovar Typhimurium DT104 invasion is not enhanced by sub-inhibitory concentrations of the antibiotic florfenicol - (Peer Reviewed Journal)

Brunelle, B.W., Bearson, S.M., Bearson, B.L. 2011. Salmonella enterica serovar Typhimurium DT104 invasion is not enhanced by sub-inhibitory concentrations of the antibiotic florfenicol. Journal of Veterinary Science and Technology. 2:104. Available: http://omicsonline.org/2157-7579/2157-7579-2-104.php.

An attenuated Salmonella enterica serovar Typhimurium strain reduces disease severity, fecal shedding, and gastrointestinal colonization in swine due to virulent S. Typhimurium challenge - (Abstract Only)

Bearson, B.L., Bearson, S.M. 2011. An attenuated Salmonella enterica serovar Typhimurium strain reduces disease severity, fecal shedding, and gastrointestinal colonization in swine due to virulent S. Typhimurium challenge [abstract]. In: Abstracts of the 111th General Meeting of the American Society for Microbiology, May 21-24, 2011, New Orleans, Louisana. p. 179.

Host specific differences alter the requirement for certain Salmonella genes during swine colonization - (Review Article)

Bearson, B.L., Bearson, S.M. 2011. Host specific differences alter the requirement for certain Salmonella genes during swine colonization. Veterinary Microbiology. 150:215-219.

A Mutation in the PoxA Gene of Salmonella enterica Serovar Typhimurium Results in Altered Protein Production, Elevated Susceptibility to Environmental Challenges, and Decreased Swine Colonization - (Peer Reviewed Journal)

Bearson, S.M., Bearson, B.L., Brunelle, B.W., Sharma, V.K., Lee, I. 2011. A mutation in the poxA gene of Salmonella enterica serovar Typhimurium results in altered protein production, elevated susceptibility to environmental challenges, and decreased swine colonization. Foodborne Pathogens and Disease. 8(6):725-732.

Sub-Inhibitory Concentrations of the Antibiotic Florfenicol Reduces Invasion in Isolates of Multi-Drug Resistant Salmonella Typhimurium DT104 - (Abstract Only)

Brunelle, B.W., Bearson, S.M., Bearson, B.L. 2010. Sub-Inhibitory Concentrations of the Antibiotic Florfenicol Reduces Invasion in Isolates of Multi-Drug Resistant Salmonella Typhimurium DT104 [abstract]. Conference of Research Workers in Animal Diseases. p. 26.

The Salmonella enterica serovar Typhimurium QseB Response Regulator Negatively Regulates Bacterial Motility and Swine Colonization in the Absence of the QseC Sensor Kinase - (Peer Reviewed Journal)

Bearson, B.L., Bearson, S.M., Lee, I., Brunelle, B.W. 2010. The Salmonella enterica serovar Typhimurium QseB Response Regulator Negatively Regulates Bacterial Motility and Swine Colonization in the Absence of the QseC Sensor Kinase. Microbial Pathogenesis. 48:214-219.

Hha Represses Biofilm Formation in Escherichia coli O157:H7 by Affecting the Expression of Flagella and Curli Fimbriae - (Abstract Only)

Sharma, V.K., Bearson, B.L., Casey, T. 2010. Hha Represses Biofilm Formation in Escherichia coli O157:H7 by Affecting the Expression of Flagella and Curli Fimbriae[abstract]. American Society for Microbiology Meeting. p350.

Evaluation of the Effects of SDIA, a LUXR Homologue, on Adherence and Motility of Escherichia coli O157:H7 - (Peer Reviewed Journal)

Sharma, V.K., Bearson, S.M., Bearson, B.L. 2010. Evaluation of the Effects of SDIA, a LUXR Homologue, on Adherence and Motility of Escherichia coli O157:H7. Microbiology. 156(5):1303-1312.

Upregulation of STM3175 Decreases Bacterial Motility and Swine Colonization in a qseC (preB) Mutant of Salmonella enterica serovar Typhimurium - (Abstract Only)

Bearson, B.L., Bearson, S.M., Lee, I. 2009. Upregulation of STM3175 Decreases Bacterial Motility and Swine Colonization in a qseC (preB) Mutant of Salmonella enterica serovar Typhimurium. ASM Conference on Salmonella: Biology, Pathogenesis & Prevention, October 5-9, 2009, Aix-en-Provence, France. p. 41.

A Mutation in the Putative Lysl-tRNA Synthetase Gene, PoxR of Salmonella enterica Serovar Typhimurium Results in Altered Protein Production, Elevated Susceptibility to Environmental Challenges and Decreased Swine Colonization - (Abstract Only)

Bearson, S.M., Bearson, B.L. A Mutation in the Putative Lysl-tRNA Synthetase Gene, PoxR of Salmonella enterica Serovar Typhimurium Results in Altered Protein Production, Elevated Susceptibility to Environmental Challenges and Decreased Swine Colonization [abstract]. American Society for Microbiology Conference on Salmonella: Biology, Pathogenesis and Prevention. p.115.

Differences in Pathogenesis for Salmonella enterica serovar Typhimurium in the Mouse Versus the Swine Model Identify Bacterial Gene Products Required for Systemic but not Gastrointestinal Disease - (Abstract Only)

Bearson, B.L., Bearson, S.M. 2009. Differences in Pathogenesis for Salmonella enterica serovar Typhimurium in the Mouse Versus the Swine Model Identify Bacterial Gene Products Required for Systemic but not Gastrointestinal Disease. International Symposium on the Epidemiology and Control of Foodborne Pathogens in Pork, September 30-October 2, 2009, Quebec City, Canada. p. 88.

Molecular Profiling: Catecholamine Modulation of Gene Expression in Enteropathogenic Bacteria - (Book / Chapter)

Bearson, B.L., Dowd, S.E. 2010. Molecular Profiling: Catecholamine Modulation of Gene Expression in Enteropathogenic Bacteria. In: Lyte, M. and P.P.E. Freestone (eds.). Microbial Endocrinology, Interkingdom Signaling in Infectious Disease and Health. New York, NY: Springer. p. 229-241.

The QseB Response Regulator is Required for Decreased Bacterial Motility and Swine Colonization in a QseC Mutant of Salmonella enterica serovar Typhimurium - (Abstract Only)

Bearson, B.L., Bearson, S.M., Lee, I., Brunelle, B.W. 2009. The QseB Response Regulator is Required for Decreased Bacterial Motility and Swine Colonization in a QseC Mutant of Salmonella enterica serovar Typhimurium [abstract]. In: Abstracts of the 109th General Meeting of the American Society for Microbiology, May 17-21, 2009, Philadelphia, Pennsylvania. p. 611.

THE POXR GENE OF SALMONELLA ENTERICA SEROVAR TYPHIMURIUM IS INVOLVED IN STRESS SURVIVAL AND SWINE COLONIZATION - (Abstract Only)

Bearson, S.M., Bearson, B.L., Lee, I. 2009. The Poxr Gene of Salmonella Enterica Serovar Typhimurium is Involved in Stress Survival and Swine Colonization [abstract]. American Society for Microbiology Meeting. p. 619.

EVALUATING THE ROLE OF SDIA AND HHA IN ENHANCED ADHERENCE OF A SDIA HHA DOUBLE MUTANT OF ENTEROHEMORRHAGIC ESCHERICHIA COLI O157:H7 - (Abstract Only)

Sharma, V.K., Bearson, S.M., Bearson, B.L. 2009. Evaluating the Role of SDIA and HHA in Enhanced Adherence of a SDIA HHA Double Mutant of Enterohemorrhagic Escherichia coli O157:H7 [abstract]. American Society for Microbiology Meeting. Paper No. B108.

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 Only)

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)

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 Survival and Pathogenesis - (Book / Chapter)

Bearson, S.M., Bearson, B.L. 2010. Traversing the Swine Gastrointestinal Tract: Salmonella Survival and Pathogenesis. In: Ricke, S.C., Jones, F.T., editors. Perspectives on Food-Safety Issues of Animal-Derived Foods. Fayetteville, AR: University of Arkansas Press. p. 35-48.

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 Only)

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 Only)

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 Only)

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)

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 Only)

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)

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 Only)

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 Only)

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 Only)

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 Only)

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 Only)

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 Only)

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 Only)

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.