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Gireesh Rajashekara, DVM, PhD


Staff photo

1680 Madison Ave
Wooster, OH 44691

Phone: (330) 263-3745

Email: rajashekara.2@osu.edu

 

Current OSU Appointments

Professor, OARDC Food Animal Health

Professor, Food Science & Technology

 

Advising Narrative

Won 2nd place award in the OARDC research internship program (ORIP), 2009
2rd Place Oral Presentation Award at the MANAARS Annual Meeting, March, Orlando, 2010
3rd Place Oral Presentation Award at the MANAARS Annual Meeting, March, Orlando, 2010
Received 1st place in the Undergraduate Poster Research Contest at the 26th Annual MANRRS Conference, March 31- April 2, 2011, Sheraton Overland Park at the Convention Center Overland Park, Kansas
Second place oral presentation award at the The OARDC Research Internships Program (ORIP) , 2010
Undergraduate First place oral presentation award at the The OARDC Research Internships Program (ORIP) , 2011
Selected for the Nationawide OSU graduate school sponsored Summer Research Opportunities Program (SROP)

Noteworthy Graduate Narrative

Anand Kumar: OARDC professional growth scholarship program for CRWAD meet, Dec 8 to Dec 10 2013, Chicago, IL, USA.

Ruby Pina-Mimbela: OARDC professional growth scholarship program for CRWAD meet, Dec 8 to Dec 10 2013, Chicago, IL, USA.

Kshipra Chandrashekhar: Food Innovation Center 2013 Doctoral Research Grants. January 7, 2013–January 6, 2014
Title: MCP proteins: Global regulation of adaptive responses of Campylobacter jejuni

Kshipra Chandrashekhar: Food Innovation Center (FIC), Travel grant for 2013 AAAP/AVMA Annual Meeting Chicago, Illinois; July 19th -23rd 2013

Kshipra Chandrashekhar:OARDC Professional Growth Fellowship

Kshipra Chandrashekhar:The PHPID Travel grant, The Ohio State University, Travel award for CHRO 2013, 17th International Workshop on Campylobacter, Helicobacter and Related Organisms, Aberdeen, United Kingdom

Academic Advising

2014 - present Joshua McDonald, The Ohio State University College of Food Agricultural and Environmental Sciences.
2014 - present Chidozie Agu, The Ohio State University College of Food Agricultural and Environmental Sciences.
2013 Claudio M., The Ohio State University College of Food Agricultural and Environmental Sciences. Graduated 0.
2013 Issmat I, The Ohio State University. Graduated 0.
2013 Huang-Chi Huang, National Taiwan University. Graduated 0.
2014 Loic Deblais, The Ohio State University College of Food Agricultural and Environmental Sciences. Graduated 0.
2014 Huang-Chi Huang, The Ohio State University. Graduated 0.
2015 Dipak Kathayat, The Ohio State University, College of Veterinary Medicine. Graduated 0.
2015 Huang-Chi Huang, The Ohio State University. Graduated 0.
2015 Mengjia Yang, The Ohio State University College of Food Agricultural and Environmental Sciences. Graduated 0.
2016 Huang-Chi Huang, The Ohio State University College of Food Agricultural and Environmental Sciences. Graduated 0.
2016 Cyd Quinones-Perez, The Ohio State University College of Food Agricultural and Environmental Sciences. Graduated 0.
2016 Gary Closs, The Ohio State University College of Food Agricultural and Environmental Sciences. Graduated 0.
2016 Mengjia Yang, The Ohio State University College of Food Agricultural and Environmental Sciences. Graduated 0.
2007 Nicholas Weida, The Ohio State University. Summer Research Scholar from the HHMI Undergraduate Research Program. Project title: “TAT Protein Export Pathway in Campylobacter jejuni”
2007 Seema Jain, The Ohio State University.
2008 Katelyn Ferringer, The Ohio State University. Twin arginine translocation pathway in Campylobacter jejuni
2008 Bijay Adhikari, The Ohio State University.
2008 Zachary Robinson, The Ohio State University. Real-time PCR assay for the quantification of Lawsonia intracellularis
2006 - 2009 Junbae Jee, The Ohio State University. Graduated 2009. Vitamin A effect on antibody responses to bovine coronavirus and rotavirus in feedlot calves
2007 - 2009 Smitha Pillai, The Ohio State University. Graduated 2009. Interspecies transmission of avian influenza virus
2009 Donnese Franklin, The Ohio State University. The role of exopolyphosphatases in C. jejuni pathogenesis
2009 Jasmine Cheeks, The Ohio State University. The role of C. jejuni MCP proteins
2009 Neha Jeirath, Vanderbilt University. Immunization of Chickens Using Salmonella Vectored Campylobacter Vaccine
2009 Forrest Tierney, Villanova University. Molecular Epidemiological and pathogenesis studies on Campylobacter species in cattle and sheep
2006 - 2010 Xiulan Xu, The Ohio State University. Graduated 2010. Seed Transmission of Clavibacter michiganensis subsp. michiganensis and Development of Strategies to Control the Pathogen in Seed
2007 - 2010 Natsuko Merrick, The Ohio State University. Graduated 2010. Microbial source tracking: Watershed scale study of pathogen origin, fate, and transport in the Upper Sugar Creek Watershed, Northeast Ohio
2010 Darryl Pronty, The Ohio State University. Role of Respiratory Proteins in Campylobacter jejuni’s Survival and Adaptation
2010 Jasmine Cheeks, The Ohio State University. Functional Analysis of Exopolyphosphatases (PPX) in Campylobacter jejuni
2010 Melinda Wolboldt, Case Western Reserve University. The role of TAT secreted enzymes in the survival and adaptation of Campylobacter jejuni
2007 - 2011 Alexander Rodriguez-Palaci, The Ohio State University. Graduated 2011. Ecology and epidemiology of Clostridium difficile in food animals and wild birds: implications for food safety
2007 - 2011 Yasser Sanad, The Ohio State University. Graduated 2011. Molecular Epidemiological and pathogenesis studies on Campylobacter species in cattle and sheep
2007 - 2011 Dharanesh Gangaiah, The Ohio State University. Graduated 0. Functional Analysis of Inorganic Polyphosphate and its Associated Enzymes in Campylobacter jejuni
2007 - 2011 Abdul Rauf, The Ohio State University. Graduated 2011. Distribution and persistence of IBDV in tissues of broiler chickens in the presence or absence of antibodies
2009 - 2011 Malak Esseili, The Ohio State University.
2010 - 2011 Melanie Ivey, The Ohio State University. Graduated 2011. Assessing Microbial Risks and Management Strategies in Vegetables
2011 Daydah Oninku, The Ohio State University. Graduated 0. Effects of Phosphate Metabolism on Environmental Stress Response and Biofilm Formation in Campylobacter jejuni
2011 Gary Closs, The Ohio State University. Graduated 0. Genotyping of Campylobacter jejuni isolates from dairy farms and wild birds in Ohio using MLST.
2011 Seval Yilmiz, The Ohio State University. Graduated 0.
2011 Pinar Seven, The Ohio State University. Graduated 0.
2011 Ankitha Lingamaneni, The Ohio State University. Construction and characterization of complementation strains for formate dehydrogenase mutants in the hyper-invasive Campylobacter jejuni 81-176.
2011 Melinda Wolboldt, Case Western Reserve University. contribution of a Tat-dependent respiratory protein to the pathobiology of Campylobacter jejuni
2007 - 2012 Mary Drozd, The Ohio State University. Graduated 2012. Studies on the C. jejuni TAT system and its potential as drug target
2007 - 2012 Gayeon Won, The Ohio State University. Graduated 2012. Waterborne disease Risk Analysis
2010 - 2012 Anand Kumar, The Ohio State University. Graduated 2012. Functional Characterization of Exopolyphosphatase/ Guanosine Pentaphosphate Phosphohydrolase (PPX/GPPA) Enzymes of Campylobacter jejuni
2011 - 2012 Gokben Ozbey, The Ohio State University. Graduated 0.
2011 - 2012 Ahmed Hikal, The Ohio State University. Graduated 0.
2012 Kimberly Carter, The Ohio State University. The role of formate dehydrogenase in the survival of Campylobacter jejuni in natural water
2009 - 2013 Issmat Kassem, The Ohio State University. Graduated 0.
2011 - 2013 Ruby Mimbela, The Ohio State University. Graduated 2013. Association of Polyphosphate (poly P) Kinases with Campylobacter jejuni Invasion and Survival in Human Epithelial Cells
2011 - 2013 Xiulan Xu, The Ohio State University. Graduated 0.
2012 - 2013 Anil K., The Ohio State University. Graduated 2013. Survival of Shiga Toxin producing Escherichia coli and Salmonella serotypes in the feces of five (5) animal species.
2013 Michael Terribile, College of Wooster. Graduated 0.
2013 Andrea Hershey, The Ohio State University. Graduated 0.
2010 - 2014 Kshipra Chandrashekhar, The Ohio State University, College of Veterinary Medicine. Graduated 2014. Understanding Campylobacter jejuni colonization and stress survival mechanisms: Role of Transducer Like Proteins (Tlps) and Polyphosphate kinases (PPKs)
2011 - 2014 Ying Huang, The Ohio State University. Graduated 2014. Antibiotic Resistance in Aquaculture Production
2012 - 2014 Olusegun Awe, The Ohio State University. Graduated 2014. Studies on turkey enteric viruses: Age related prevalence and impact on production performance Completed
2014 Olugbenga O., The Ohio State University College of Food Agricultural and Environmental Sciences. Graduated 0.
2014 Loic Deblais, The Ohio State University College of Food Agricultural and Environmental Sciences. Graduated 0.
2012 - 2015 Anand Kumar, The Ohio State University. Graduated 2015. Understanding the gut transcriptome responses to lactobacillus probiotics and investigating the impact of nutrition and rotavirus infection on the infant gut microbiome
2012 - 2015 Lulu Shao, The Ohio State University. Graduated 2015. PATHOGENESIS AND EFFECTES OF PROBIOTICS ON IMMUNE RESPONSES TO ROTAVIRUS IN GNOTOBIOTIC PIGS AND IN VITRO STUDIES OF PORCIE TOLL-LIKE RECEPTOR EXPRESSION PROFILES
2014 - 2015 Elbashir Araud, The Ohio State University, College of Veterinary Medicine. Graduated 2015. Identification of Effective and Practical Thermal and Non-thermal Processing Technologies to Inactivate Major Foodborne Viruses in Oysters
2014 - 2015 Zilu Wan, The Ohio State University College of Food Agricultural and Environmental Sciences. Graduated 2015. THE ANTIBACTERIAL ACTIVITY OF SELECTED SMALL MOLECULE COMPOUNDS AND THEIR EFFECT ON THE MORPHOLOGY AND MECHANICAL PROPERTIES OF TAPIOCA STARCH FILLMS
2014 - 2015 Zhongyan Lu, The Ohio State University, College of Veterinary Medicine. Graduated 2015. Mechanism of Cell Culture Adaptation of Porcine Sapoviruses
2015 Zachary Fritts, The Ohio State University. Graduated 0.
2009 - 2016 Issmat Kassem, The Ohio State University, College of Veterinary Medicine. Graduated 0.
2011 - 2016 Isaac Kashoma, Sokoine University of Agriculture Morogoro. Graduated 2016. MOLECULAR TYPING AND ANTIMICROBIAL RESISTANCE OF CAMPYLOBACTER ISOLATES FROM FOOD ANIMALS AND ANIMAL PRODUCTS
2014 - 2016 Chidozie Agu, The Ohio State University College of Food Agricultural and Environmental Sciences. Graduated 2016. Use of process design and metabolic engineering to enhance bioconversion of lignocellulosic biomass and glycerol to biofuels
2014 - 2016 Anil Persad, The Ohio State University, College of Veterinary Medicine. Graduated 2016. Epidemiological studies on non-O157 Shiga toxin-producing Escherichia coli
2016 Zachary Fritts, The Ohio State University. Graduated 0.
 

Chapters in Books

Vaccination against Salmonella enteritidis infection: Dilemma and realities

Of energy and survival incognito: a relationship between viable but non-culturable cells formation and inorganic polyphosphate and formate metabolism in Campylobacter jejuni.

Probiotics for Immunomodulation and treatment of Immunological disorders in children: Evaluation in a germ free animal model.

Of a Tenacious and Versatile Relic: The Role of Inorganic Polyphosphate (poly-P) Metabolism in the Survival, Adaptation, and Virulence of Campylobacter jejuni.

Campylobacter in Poultry: The Conundrums of Highly Adaptable and Ubiquitous Foodborne Pathogens

The emergence of antibiotic resistance on poultry farms.

 

Conferences

Preparation of Microspheres for use in vaccine delivery

Use of Microspheres in the Delivery of Vaccines for poultry

Repetitive sequence based PCR (rep-PCR) fingerprinting of Salmonella enteritidis

Adhesion and Invasion of HeLa cells, HD-11 and Grnulosa cells by S. enteritidis

Molecular genotyping of Salmonella enteritidis by repetitive PCR using a novel Repetitive sequence

Ornithobacterium rhinotracheale Infection in turkeys

Construction of Salmonella enteritidis fimbrial mutants

Agar Gel Enzyme Linked (AGEA) and Radial Immunodiffusion Enzyme Linked Assay (RIDEA) as Sensitive and Specific tests for S. enteritidis

Application of Recombinant Fimbrial Protein Antigen for specific Detection of S. enteritidis Infection in Poultry

Molecular genotyping of US isolates of Salmonella enteritidis PT4 from different sources

SERE-PCR, Fingerprinting of S. enteritidis

Serological detection of Ornithobacterium rhinotracheale (ORT) infection in turkeys

Evaluation of Vector Vax FP-N for Controlling Newcastle Disease Virus (NDV) in Commercial Turkeys

Fimbrial protein for specific detection of S. enteritidis infection

Use of Iron Restriction Media in the Development of Salmonella Vaccine

Antimicrobial sensitivity of Ornithobacterium rhinotracheale isolated from different geographic locations

Specificity and Sensitivity of SEF14 antigen for detection of Salmonella enteritidis infection in poultry

Experimental studies on O. rhinotracheale infection

Sero-diagnosis of Salmonella enteritidis infection in poultry using a recombinant SEF14 antigen

Tissue distribution post-infection and antimicrobial sensitivity of Ornithobacterium rhinotracheale

Studies on the Role of Fimbriae in the Pathogenesis of Salmonella enteritidis Infection Using Fimbrial Gene Knockouts

Use of Integration plasmid to Generate Site-Directed Mutations in Salmonella enteritidis Genome

Transcription of the enterotoxigenic Escherichia coli virulence regulator Rns is negatively regulated by drr

Visualizing Brucella infections in live mice using bioluminescent Brucella melitensis

Brucella virulence mechanisms: Functional genomics and Real time in vivo pathogenesis

Do Brucella have pathogenicity Islands?

Human Brucellosis vaccines: Identification of Vaccine targets

Temporal analysis of pathogenic events in virulent and avirulent Brucella melitensis infections.

TAT Protein Export Pathway in Campylobacter jejuni

Construction of bioluminescent Clavibacter michiganensis subsp. michiganensis

Construction of bioluminescent Clavibacter michiganensis subsp. michiganensis

Studies on Polyphosphate kinases of Campylobacter jejuni

The Campylobacter jejuni Twin-Arginine Translocation System is Important for Chicken Colonization

Deciphering the role of Polyphosphate kinases in Campylobacter jejuni colonization/ pathogenesis

Polyphosphate Kinase 1 is Important for VBNC Formation, Natural Transformation and Antimicrobial Resistance in Campylobacter jejuni

Campylobacter jejuni stress responses and in vivo colonization: Relevance to food safety

Molecular Epidemiological studies on Campylobacter species in cattle

Role of polyphosphate kinase 2 in Campylobacter jejuni stress responses, host colonization and pathogenesis.

Contribution of PhoAcj to twin arginine translocation mediated Campylobacter jejuni function and resilience to environmental stresses.

Visualization of Clavibacter michiganensis subsp. michiganensis colonization of tomato seedlings using a bioluminescent strain

Survival of bioluminescentCampylobacter species in chicken litter.

Anti-Campylobacter drug candidates targeting the Twin-Arginine Translocation System with small molecules

Campylobacter jejuni polyphosphate kinase 2 mediates poly P-dependent GTP synthesis and is important for chicken colonization.

The twin arginine translocase (TAT) secretion system is important for small organic acid metabolism and chemotaxis in Campylobacter jejuni.

Effect of Disinfectants on Transmission of Clavibacter michiganensissubsp. michiganensisduring Grafting

Polyphosphate kinase 2 is a novel pathogenesis/colonization determinant in Campylobacter jejuni.

Molecular Epidemiology of Campylobacter isolated from cattle across the U.S.

Polyphosphate kinase 2 mediates poly P-dependent GTP synthesis and is important for stress responses and virulence in Campylobacter jejuni.

Small molecule inhibitors as anti-Campylobacter jejuni drug candidates

Epidemiological implications of the invasion associated marker in Campylobacter jejuni isolated from cattle.

Colonization of Tomato Seedlings by Bioluminescent Clavibacter michiganensissubsp. michiganensisunder Different Humidity Regimes

The Role of TAT-Associated Respiratory Proteins (TARPS) in Campylobacter jejuni adaptation to the host environment

The Occurrence and Public Health Relevance of Campylobacter jejuni Isolated from Dairy Cattle and European Starlings in Ohio, USA

The Occurrence and Public Health Relevance of Campylobacter jejuni Isolated from Dairy Cattle and European Starlings in Ohio, USA.

Characterization of the methyl accepting chemotaxis proteins in Campylobacter jejuni.

Identification of PPK-1 and PPK-2 dependent transcriptome responses in Campylobacter jejuni

The Role of Respiratory Proteins in Campylobacter jejuni Adaptation to Different Temperature and Oxygen conditions

The Role of TAT-Associated Respiratory Proteins (TARPS) in Campylobacter jejuni adaptation to the host environment

Characterization of the methyl accepting chemotaxis proteins in Campylobacter jejuni

The Occurrence of Campylobacter in Cattle: an Assessment of Potential Risks to Public Health in the US

Identification of PPK-1 and PPK-2 dependent transcriptome responses in Campylobacter jejuni

Probiotics and lactogenic immune factors affect neonatal B cell responses to oral rotavirus vaccine

Role of Exopolyphosphatase/ Guanosine Pentaphosphate Phosphohydrolase (PPX/GPPA) Enzymes of Campylobacter jejuni.

2. Chandrashekhar, K. Ganagaiah, D. Jeon, B and Rajashekara, G. 2012. Characterization of methyl accepting chemotaxis proteins of Campylobacter jejuni.

. Role of Exopolyphosphatase/ Guanosine Pentaphosphate Phosphohydrolase (PPX/GPPA) Enzymes of Campylobacter jejuni.

Genotypic and Phenotypic Properties of Campylobacter Isolated from Dairy Cattle and European Starlings in Ohio, USA.

Probiotics augment B cell responses to oral rotavirus vaccine in neonatal gnotobiotic pigs

Chemotaxis proteins in Campylobacter jejuni: more than just chemotaxis.

Prevalence, Phenotypic and Genotypic Properties of Campylobacter species from Turkeys

Characterization of Exopolyphosphatase/ Guanosine Pentaphosphate Phosphohydrolase (PPX/GPPA) Enzymes of Campylobacter jejuni .

Exopolyphosphatase/ Guanosine Pentaphosphate Phosphohydrolase (PPX/GPPA) Enzymes of Campylobacter jejuni.

The methylmenaquinol:fumarate reductase (Mfr) contributes to oxidative stress responses and host colonization potential of Campylobacter jejuni.

The methylmenaquinol:fumarate reductase (Mfr) contributes to Campylobacter jejuni’s resistance to hydrogen peroxide and persistence in murine macrophages

Modulation of Campylobacter jejuni Outer Material by Polyphosphate kinases: Impact on Invasion and Survival in Human Epithelial cells

A chemotaxis transducer in Campylobacter jejuni with a role in sensing essential nutrients

Modulation of Campylobacter jejuni Outer Material by Polyphosphate kinases: Impact on Invasion and Survival in Human Epithelial cells

A chemotaxis transducer in Campylobacter jejuni with a role in sensing essential nutrients

Longitudinal Study on Campylobacter spp. in Commercial Turkey Flocks in Northwest Ohio: Phenotypic and Genetic Diversity

The dose-dependent impact of formate on Campylobacter jejuni survival phenotypes

Chemical treatments to reduce Campylobacter jejuni in chicken litter microcosms

In vivo gut transcriptome responses to lactobacillus rhamnosus gg and lactobacillus acidophilus in a neonatal gnotobiotic piglet model

Probiotics augment B cell responses to oral rotavirus vaccine in neonatal gnotobiotic pigs

Association of Polyphosphate (poly P) Kinases with Campylobacter jejuni Invasion and Survival in Human Epithelial Cells

Functional characterization of Exopolyphosphatase/ Guanosine Pentaphosphate Phosphohydrolase (PPX/GPPA) Enzymes of Campylobacter jejuni

Contribution of outer material to Campylobacter jejuni virulence

In vivo gut transcriptome responses to lactobacillus rhamnosus gg and lactobacillus acidophilus in a neonatal gnotobiotic piglet model

Colonization dynamics and effect of human rotavirus infection on defined commensal microflora in a gnotobiotic (Gn) pig model

Formate decreases oxidase activity and enhances motility, respiration, and biofilm formation in Campylobacter jejuni

Construction of a bioluminescent Erwinia tracheiphila for real time imaging of infection of cucurbits

In vivo gut transcriptome responses to Lactobacillus rhamnosus GG and Lactobacillus acidophilus in neonatal gnotobiotic piglets

Construction of a bioluminescent Erwinia tracheiphila

Tailoring probiotics as immunomodulators to enhance neonatal mucosal imunity to rotavirus (RV) vaccines or alleviate RV diarrhea: Evaluation in a neonatal gnotobiotic piglet model.

Polyphosphate kinases contribute to Campylobacter jejuni outer material composition and virulence

An evaluation of the impact of litter chemical amendments on reducing Campylobacter jejuni in broilers

Quorum Sensing Inhibitors to Enhance the Control of Avian Pathogenic E. coli

Litter Chemical Amendments that Reduce pH and Moisture Contribute to the Control of Campylobacter jejuni in Broilers.

Understanding Salmonella-tomato plant host interactions and development of novel effective control strategies to reduce Salmonella burden in tomato production

High-Throughput Screening to Identify novel anti- campylobacter compounds using a preselected enriched small molecules library

Real time imaging of cucurbit infection by Erwinia tracheiphila

High-Throughput Screening to Identify Quorum Sensing Inhibitors to Enhance the Control of Avian Pathogenic E. coli.

Differential Effects of Escherichia coli Nissle and Lactobacillus rhamnosus strain GG on Human Rotavirus Infection and B Cell Responses

Novel Anti-Salmonella Compounds Reduce Salmonella Burden in Poultry

E. coli strain Nissle 1917 mitigates Campylobacter jejuni invasion and intracellular survival in HT-29 human colonic cells

Novel Quorum Sensing Inhibitors for the Control of Avian Pathogenic E. coli.

Discovery of Novel Narrow Spectrum Small Molecule Growth Inhibitors for Avian Pathogenic E. coli

Small molecules, a potential novel control strategies to reduce Salmonella burden

 

Degrees

1999 Ph.D., University of Minnesota

 

Editorial Activities

2002 Vet. Immunology and Immunopathology
2003 Journal of Leukocyte Biology
2003 Journal of Immunology
2003 Infection Immunity
2007 Journal of Applied Microbiology
2007 Journal of Food Protection
2007 Avian Diseases
2008 Applied Environment Microbiology
2008 BMC microbiology
2008 Journal of Food Protection
2009 Animal Health Research Reviews
2009 BMC genomcis
2009 BMC Microbiology
2009 Gene
2010 Journal of Food Protection
2010 Journal of Plant Pathology and Microbiology
2010 BMC Genomics
2010 Zoonoses and Public Health
2011 - present Poultry Science
2011 PLoS One
2011 Journal of Clinical Microbiology
2011 Journal of Veterinary Science
2011 JVDI
2011 Infection and Immunity
2011 BMC Microbiology
2011 PLoSOne
2011 Journal of Veterinary Medical Science
2012 - present Animal Health Research Reviewes
2012 Bio Molecular Concept
2012 Journal of Applied Microbiology
2012 Veterinary Microbiology
2012 The Veterinary Journal
2012 JVDI
2012 Foodborne Pathogens and Diseases
2013 - present Poultry Science
2013 Animal Health Research Reviews
2013 Journal of Bacteriology
2013 PLosOne
2013 Epidemeology and Infection
2013 Microbiology
2013 Avian Diseases
2013 Foodborne Pathogens and Diseases
2013 Emerging Microbes and Infection
2013 BMC Microbiology
2013 BMC Genomics
2013 Avian Diseases
2013 PLosOne
2013 Virulence
2013 PLosOne
2013 Avian Diseases
2013 Avian Diseases
2013 Journal of Applied Microbiology
2013 BMC Microbiology
2013 Avian Diseases
2013 BMC Microbiology
2013 INACH GRANT FOR SCIENTIFIC AND TECHNOLOGICAL RESEARCH IN ANTARCTICA
2014 - present Avian Diseases
2014 - present PLosOne
2014 PLosOne
2014 Poultry Science
2014 Animal Health Research Review
2014 Avian Diseases
2014 Avian Diseases
2014 Avian Diseases
2014 Virulence
2014 PLosOne
2014 Chemical and biological studies of flavonoid dimers as novel anti-virulence agents against community-associated methicillin-resistant Staphylococcus aureus, Research Grants Council (RGC) of Hong Kong
2014 Foodborne Pathogens and Diseases
2014 Immunologically cross reactive proteins for broadly protective Campylobacter chicken vaccines: SBIR Phase-II proposal, USDA
2014 Avian Diseases
2014 A Next-Generation Vaccine For Enhanced Control Of Salmonella In Poultry: SBIR Phase-II proposal, USDA
2014 Microbioolgy
2014 PLosOne
2014 CRISPR-Cas and sialic acid the shield and sword of pathogenic bacteria: Innovational Research Incentives Scheme Veni 2014 ALW Application Form, Netherlands
2014 PLosOne
2014 PLosOne
2014 Avian Diseases
2014 ILAR journal
2014 Breaking the chain or making magic? Establishing the roles of polyphosphate hydrolase proteins in pathogenic bacteria. Research Grants Council (RGC) of Hong Kong
2014 PLosOne
2014 - 2015 PLosOne
2015 Animal Health Research Reviews
2015 Avian Diseases
2015 Poultry Science
2015 PlosOne
2015 Zoonoses and Public Health
2015 BARD Animal Health: Type VI secretion system (T6SS): A putative virulence mechanism of mammary pathogenic Escherichia coli (MPEC)
2015 BARD Animal Health 2015: Identification of virulence genes in Mycobacterium avium paratuberculosis by library construction, and vaccine development
2015 Avian Diseases
2015 Vaccine
2015 MBio
2015 USDA- SBIR grant: Evaluation of potential of conserved proteins of Campylobacter species for development of broadly protective chicken vaccines
2015 USDA Exploratory Research Program grant
2015 Animal Health Research Review
2015 Avian Diseases
2015 PLosOne
2015 Avian Diseases
2015 Hong Kong RESEARCH GRANTS COUNCIL:
2015 Avian Diseases
2015 Avian Diseases
2015 Virulence
2015 Journal of Applied Microbiology
2015 Microbiology
2015 Avian
2015 Zoonoses and Public Health
2015 USDA/NIFA/SBIR phase-1: Evaluation of potential of conserved proteins of Campylobacter species for development of broadly protective chicken vaccines
2016 - present Avian Diseases
2016 - present Poultry Science
2016 - present PLosOne
2016 - present Animal Health Research Reviews
2016 Journal ofFood Protection
2016 USDA SBIR Phase II
2016 PLosOne
2016 Virulence
2016 Avian Diseases
2016 PLosOne
2016 Avian Diseases
2016 Avian Diseases
2016 BMC Microbiology
2016 Avian Diseases
 

Honors

1986 - 1990 University of Agricultural Sciences Merit Scholarship.
1990 - 1992 Junior Research Fellowship.
1993 University of Agricultural Sciences Gold Medal.
1993 Eshwaran Memorial Gold Medal.
1996 Gamma Sigma Delta - Honor Society of Agriculture.
2003 Great Lakes Regional Center of Excellence Poster award, NIAID-NIH First place. Great Lakes Regional Center of Excellence, NIH.
2013 Distinguished Multidisciplinary Team Research Award for excellence in Team Research. OARDC.
 

Journal Articles

"Functional Invariant NKT Cells in Pig Lungs Regulate the Airway Hyperreactivity: A Potential Animal Model." JOURNAL OF CLINICAL IMMUNOLOGY. Vol. 31, no. 2. (April 2011.): -.

 

Inventions and Patents

Novel antimicrobials to control Campylobacter

Application of recombinant fimbrial protein for the specific detection of Salmonella enteritidis infection in poultry.

Brucella melitensis mutants and methods

Clavibacter Michiganensis Subsp. Michiganensis Bioluminescent mutants and application

Application of recombinant fimbrial protein antigen for the diagnosis of Salmonella enteritidis infection in poultry

Small molecule modulators of Clavibacter michiganensis subsp. michiganensis as a means to control tomato bacterial canker.

Novel small molecule antimicrobials

 

Presentations

Campylobacter Colonization in poultry

N. Weida, S. Grewal, Q. Zhang, J. Byeong Hwa, D. Gangaiah, G. Rajashekara. 2008. "TAT Protein Export Pathway inCampylobacter jejuni."

Campylobacter: An underdog of foodborne pathogens

Campylobacter jejuni Twin-Arginine Translocation System is Important for Chicken Colonization

Food Safety Research

Protein translocation and Campylobacter jejuni colonization in chickens

Protein translocation and Campylobacter jejuni colonization in chickens

Dynamics of Campylobacter Colonization in Poultry

Dharanesh Gangaiah , Issmat I. Kassem, Byeonghwa Jeon, Zhe Liu, Qijing Zhang, and Gireesh Rajashekara. 2009."Polyphosphate Kinase 1 is Important for VBNC Formation, Natural Transformation and Antimicrobial Resistance inCampylobacter jejuni." September 2Toki Messe, Niigata, Japan.50% Authorship: Designed, directed the research and presented the data in an annual meeting.

Campylobacter Research

Campylobacter jejuni stress responses and in vivo colonization: Relevance to food safety.

Survival of bioluminescent Campylobacter species in chicken litter

Campylobacter research update

Upper Sugar Creek Watershed, Ohio: A Model Watershed for Study of Pathogen Origin, Fate and Transport

FAHRP Food Safety Research update

One Health

Lactogenic immunity/probiotics: Effect on neonatal gut immunitybased on preliminary studies

Diagnostic Pathology of Brucellosis

Can we tackle Campylobacter? Novel approaches to control Campylobacter

In vivo Mucosal Tranascriptome Responses to Lactobacillus rhamnosus and Lactobacillus acidophilus in a Neonatal Gn Piglet Model

Can we tackle Campylobacter? Novel approaches to control

Tailoring probiotics for human rotavirus vaccines and treatments using a neonatal gnotobiotic piglet model

In vivo Mucosal Tranascriptome Responses to G+, G- Probiotics, or a Defined Commensal Microflora in a Neonatal Gn Piglet Model.

Novel approaches to control Campylobacter

Foodborne pathogens: Current issues and novel control strategies

Understanding Salmonella-tomato plant host interactions and development of novel effective control strategies to reduce Salmonella burden in tomato production.

Small molecules; a potential novel strategies to control Clavibacter michiganensis michiganensis in fresh produce

Quorum Sensing Inhibitors to Enhance the Control of Avian Pathogenic E. coli

Small molecules, a potential novel control strategies to reduce Salmonella burden

Small molecules, a potential novel strategies to control phytopathogens and foodborne pathogens in fresh produce

Gut microflora: Effects on neonatal immunity, viral gastroenteritis and vaccines

 

Professional Activities

present Ph.D defense - Graduate Faculty Representative.
present Ph.D defense - Graduate Faculty Representative. Department of Plant Pathology, OSU.
2007 - present Multi-State Food Safety Project technical committee. S-1033.
2007 - present Enteric diseases of swine and cattle: prevention, control and food safety. NC-1041.
2007 - present The United States-Israel Binational Agricultural Research & Development Fund Grant. BARD.
2008 - present Grant Reviewer. BARD.
2010 - present Clavibacter michiganensis subsp. michiganensis-tomato interactions: expression and function of virulence factors, plant defense responses and pathogen movement, BARD Research Proposal review. BARD.
2010 - present Interdisciplinary Research Center for Neglected Diseases: proposal on New brucellosis vaccines: development and tagging on the basis of Brucella lipopolysaccharide genetics and interaction of with innate immunity. University of Navarra.
2010 - present Co-Chair, Bacterial Pathogenesis. CRWAD.
2012 - present Secretary, NC1202 Technical Committee. NC1202, USDA.
2012 - present Chair, Bacterial pathogenesis section,. CRWAD.
2013 - present Panel Member. BARD.
2013 - present Multi-state research project: Secretary, NC1202 Technical Committee. NC1202, USDA.
2013 - present Chair, Bacterial pathogenesis section,. CRWAD.
2014 - present Chair, NC1202 Technical Committee. NC1202 Technical Committee, USDA.
2014 - present BARD Panel member: Animal Health. BARD.
2014 - present OARDC SEEDS Grant committee. Panel Member.
2014 - present Chair, Bacterial pathogenesis section,. CRWAD.
2015 - present USDA SBIR grant Panel Member. USDA.
2015 - present Multi-state research project: Chair, NC1202 Technical Committee. NC1202, USDA.
2015 - present Chair, Bacterial pathogenesis section,. CRWAD.
2015 - present BARD animal Health Panel member. BARD.
2015 - present OARDC SEEDS Grant committee. Panel Member.
2016 - present OARDC SEEDS grants panel member. OARDC, OSU.
2016 - present USDA SBIR Panel member. USA SBIR.
2016 - present USDA Multi-state S1056 Technical Committee, Representative. USDA S1056.
2016 - present Multi-state research project: Member, NC1202 Technical Committee. NC1202, USDA.
2016 - present Chair, Bacterial pathogenesis section,. CRWAD.
2003 Alabama Agricultural Experiment Station Foundation Grant.. University of Alabama.
2008 Presided oral session in the Bacterial pathogenesis division. CRWAD Meeting.
2009 PHPID pilot grant. PHPID.
2009 USDA Gastroenteric disease committee. NC1041. Chicago, IL.
2009 Co-Chair Bacterial pathogenesis section. Conference of Research Worker in Animal Diseases. Chicago, IL.
2010 Multi-State Project S-1033. S-1033. Estes Park, CO.
2010 NC-1041 Technical Committee. NC1041. Chicago, IL.
2011 1st International congress on pathogens at the human-animal Interface (ICOPHAI). ICOPHAI2011.
2011 Sientific and Technological Development (CONICYT): 2012 Regular Research Funding Competition. Technological Development (FONDECYT) of the Chilean Government Commission forSc.
2011 Chair, Bacterial pathogenesis divison. CRWAD (Conference of Reserch Worker in Animal Diseases). Chicago, IL.
2012 Bacterial Pathogenesis Section Chair. CRWAD. Chicago, IL.
2013 Chair, Bacterial Pathogenesis section. CRWAD. Chicago, IL.
2013 - 2014 S1056 Technical Committee, Representative.
2013 - 2014 Secretery, NC1202 Technical Committee. NC1202 Technical Committee, USDA.
2014 Chair, Bacterial pathogenesis section. CRWAD.
2016 BARD animal health panel member. BARD.
 

Technical Reports

Discovery brings new hope for Salmonella control

Salmonella typhimurium vaccination for breeders

A Serious Foodborne Illness for Everyone, Especially the Very Young and Very Old

A Concern for Mom’s with Young Children and Other Young Adults

 

Unpublished Works

Escherichia coli Nissle-mediated protection against human rotavirus involves coordinate activation of plasmacytoid dendritic and natural killer cells in gnotobiotic pigs

Bioluminescence imaging of colonization dynamics of Erwinia tracheiphila in cucurbits, the causal agent of bacterial wilt of cucurbits