Abstract: Vaccines comprising TRAP polypeptides and Salmonella enteritidis vectors comprising TRAP polypeptides are provided. The vaccines may also include a CD 154polypeptide capable of binding to CD40. Also provided are methods of enhancing an immune response against Apicomplexan parasites and methods of reducing morbidity associated with infection with Apicomplexan parasites.

Abstract: Vaccine vectors and methods for enhancing resistance to Campylobacter infection or for enhancing the immune response to Campylobacter are provided herein. The vaccine vectors include a first polynucleotide which encodes an antigenic polypeptide selected from SEQ ID NO: 7-9 or a fragment thereof. The vector may also include an immunostimulatory polypeptide. The methods include administering the vaccine vectors to a subject.

Abstract: Provided herein are vaccine vectors including an antigenic polypeptide and an HMGB1 polypeptide present on the surface of the vaccine vector. Compositions comprising the vaccine vectors are also provided and include a pharmaceutically acceptable carrier, suitably a carrier for oral or nasal administration. Also provided are methods of enhancing immune responses, in particular antibody immune response and suitably an IgA response, by administering the vaccine vectors or compositions disclosed herein to a subject.

Abstract: Methods, compositions and bacterial isolates for improving the gastrointestinal health of animals and in particular of poultry are provided herein. The methods include administering an endospore-forming bacteria to an animal. The bacteria are selected for the ability to reduce the growth and presence of bacterial pathogens, such as Salmonella, Clostridium, and Campylobacter, in the gastrointestinal tract of the animal. The bacteria are also selected for the ability to improve at least one production parameter in the animal.

Abstract: Vaccine vectors and methods for enhancing resistance to Campylobacter infection or for enhancing the immune response to Campylobacter are provided herein. The vaccine vectors include a first polynucleotide which encodes an antigenic polypeptide selected from SEQ ID NO 7-9 or a fragment thereof. The vector may also include an immunostimulatory polypeptide. The methods include administering the vaccine vectors to a subject.

Abstract: Vaccines comprising TRAP polypeptides and Salmonella enteritidis vectors comprising TRAP polypeptides are provided. The vaccines may also include a CD154 polypeptide capable of binding to CD40. Also provided are methods of enhancing an immune response against Apicomplexan parasites and methods of reducing morbidity associated with infection with Apicomplexan parasites.

Abstract: Provided herein are vaccine vectors including an antigenic polypeptide and an HMGB1 polypeptide present on the surface of the vaccine vector. Compositions comprising the vaccine vectors are also provided and include a pharmaceutically acceptable carrier, suitably a carrier for oral or nasal administration. Also provided are methods of enhancing immune responses, in particular antibody immune response and suitably an IgA response, by administering the vaccine vectors or compositions disclosed herein to a subject.

Abstract: Provided herein are Salmonella enteritidis 13A strains and compositions comprising these strains. Also provided are methods of enhancing an immune response against Influenza A and methods of reducing morbidity associated with an Influenza A infection. Methods of enhancing an immune response to a vaccine vector by expressing a polypeptide of CD154 capable of binding CD40 are also disclosed. Methods of developing a bacterial vaccine vector are disclosed. Methods of generating scarless site-specific mutations in a bacterium are also disclosed.

Abstract: Provided herein are Salmonella enteritidis 13A strains and compositions comprising these strains. Also provided are methods of enhancing an immune response against Influenza A and methods of reducing morbidity associated with an Influenza A infection. Methods of enhancing an immune response to a vaccine vector by expressing a polypeptide of CD 154 capable of binding CD40 are also disclosed. Methods of developing a bacterial vaccine vector are disclosed. Methods of generating scarless site-specific mutations in a bacterium are also disclosed.

Abstract: Methods, compositions and bacterial isolates for improving the gastrointestinal health of animals and in particular of poultry are provided herein. The methods include administering an endospore-forming bacteria to an animal. The bacteria are selected for the ability to reduce the growth and presence of bacterial pathogens, such as Salmonella, Clostridium, and Campylobacter, in the gastrointestinal tract of the animal. The bacteria are also selected for the ability to improve at least one production parameter in the animal.

Abstract: Compositions and methods of improving poultry hatch health are provided herein. Poultry hatch health and hatchability may be improved by administering compositions in ovo prior to hatch. The compositions include iodinated tyrosine-containing proteins, suitably iodinated casein, and carbohydrates.

Abstract: Vaccine vectors and methods for enhancing resistance to Campylobacter infection or for enhancing the immune response to Campylobacter are provided herein. The vaccine vectors include a first polynucleotide which encodes an antigenic polypeptide selected from SEQ ID NO 7-9 or a fragment thereof. The vector may also include an immunostimulatory polypeptide. The methods include administering the vaccine vectors to a subject.

Abstract: Probiotic compositions comprising a bacterium that is capable of producing nitric oxide and a substrate of nitric oxide synthase are provided. Also provided are methods of improving the gastrointestinal health of a subject by orally administering a bacterium capable of producing nitric oxide and orally administering a substrate of nitric oxide synthase. Methods of reducing the inflammatory immune response after treatment with a probiotic and methods of reducing horizontal transmission of pathogenic bacteria within groups of animals are also provided.

Abstract: Provided herein are vaccine vectors including an antigenic polypeptide and an HMGB1 polypeptide present on the surface of the vaccine vector. Compositions comprising the vaccine vectors are also provided and include a pharmaceutically acceptable carrier, suitably a carrier for oral or nasal administration. Also provided are methods of enhancing immune responses, in particular antibody immune response and suitably an IgA response, by administering the vaccine vectors or compositions disclosed herein to a subject.

Abstract: Vaccines comprising fliC and CD 154 polypeptides and Salmonella enteritidis vaccine vectors comprising fliC polypeptides are provided. Also provided arc methods of enhancing an immune response against flagellated bacteria and methods of reducing morbidity associated with infection with flagellated bacteria.

Abstract: Vaccines comprising TRAP polypeptides and Salmonella enteritidis vectors comprising TRAP polypeptides are provided. The vaccines may also include a CD 154 polypeptide capable of binding to CD4Q. Also provided are methods of enhancing an immune response against Apicomplexan parasites and methods of reducing morbidity associated with infection with Apicomplexan parasites.

Abstract: Provided herein are Salmonella enteritidis 13A strains and compositions comprising these strains. Also provided are methods of enhancing an immune response against Influenza A and methods of reducing morbidity associated with an Influenza A infection. Methods of enhancing an immune response to a vaccine vector by expressing a polypeptide of CD 154 capable of binding CD40 are also disclosed. Methods of developing a bacterial vaccine vector are disclosed. Methods of generating scarless site-specific mutations in a bacterium are also disclosed.

Abstract: An impedance biosensor for detecting a contaminant in a starting material, the biosensor comprising a housing, an input device supported by the housing, an output device supported by the housing, a microfluidic cell supported by the housing, the starting material being engagable with the microfluidic cell, and an impedance analyzer supported by the housing and operable to measure impedance of the starting material to detect the presence of a contaminant.

Abstract: Disclosed are methods of selecting wide host range bacteriophage capable of growing in a plurality of bacteria including pathogenic and non-pathogenic bacteria and bacteriophage selected by the methods. Also disclosed are methods of treating a subject infected with a pathogenic bacterium using bacteriophage and methods of decontaminating objects using bacteriophage. Also disclosed are methods of producing vaccines. In another aspect, methods of determining bacterial viability and methods of improving the sensitivity of a biosensor using wide host range bacteriophages are disclosed.