About the Authors
- Marina Arnold
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Affiliations Institute of Biochemistry and Biotechnology, Faculty of Life Sciences (NFI), Martin Luther University Halle-Wittenberg, Halle, Germany, Institute of Biology, Faculty of Life Sciences (NFI), Martin Luther University Halle-Wittenberg, Halle, Germany
- Vijay Durairaj
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Affiliation Poultry Diagnostic and Research Center, College of Veterinary Medicine, The University of Georgia, Athens, Georgia, United States of America
- Egbert Mundt
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Affiliations Poultry Diagnostic and Research Center, College of Veterinary Medicine, The University of Georgia, Athens, Georgia, United States of America, IDT Biologika GmbH, Dessau-Rosslau, Germany
- Katja Schulze
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Affiliation Institute of Biology, Faculty of Life Sciences (NFI), Martin Luther University Halle-Wittenberg, Halle, Germany
- Karin D. Breunig
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Affiliation Institute of Biology, Faculty of Life Sciences (NFI), Martin Luther University Halle-Wittenberg, Halle, Germany
- Sven-Erik Behrens
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* E-mail: sven.behrens@biochemtech.uni-halle.de
Affiliation Institute of Biochemistry and Biotechnology, Faculty of Life Sciences (NFI), Martin Luther University Halle-Wittenberg, Halle, Germany
Competing Interests
The authors have declared that no competing interests exist. Dr. Mundt is now employed by a pharmaceutical company; however, this does not does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: MA VD EM KS KB SEB. Performed the experiments: MA VD EM KS. Analyzed the data: MA EM KB SEB. Contributed reagents/materials/analysis tools: EM KB SEB. Wrote the paper: EM KB SEB. Generated and characterized the applied yeast strains, performed vaccination experiments in mice and some of the vaccination experiments in chickens: MA. Performed some of the vaccination experiments in chickens, performed VN assays. VD Performed some of the vaccination experiments in chickens, performed VN assays, analyzed bursal lesions: EM. Established the cultivation conditions of K. lactis in fermenter; cultivated K. lactis strains in fermenter: KS. Co-guided the project, developed the VAK367-D4 strain: KB. Guided the project: SEB.