Symposium Posters 2016

Sialic acid release by Bacteroides thetaiotamicron from milk oligosaccharides may facilitate the growth of potentially pathogenic bacteria

Apichaya Bunyatratchata, Dept. of Food Science, University of California, Davis, USA
Student Travel Award Recipient

Apichaya Bunyatratchata1, Sercan Karav1, Steven A. Frese1, Claire A. Shaw1, Lindsey N. Contreras1, David A. Mills1,2, and Daniela Barile 1,2 1. Department of Food Science and Technology, University of California, Davis; 2. Foods for Health Institute, University of California, Davis Human milk, as the sole nourishment food for infants, not only support infant’s development but also highly influences the shaping of infant gut microbiota. Many members of the Bacteroides, common bacterial species in the gut, are able to utilize complex milk glycans by producing extra-cellular enzymes... Read More...

Pilot scale isolation of bioactive glycans from dairy co-products: Capturing the whey glycome

Joshua Cohen, Dept. of Food Science and Technology, University of California, Davis, USA
Student Travel Award Recipient

Joshua L. Cohen1, Sercan Karav1, Juliana M.L.N. de Moura Bell1, David A. Mills2, and Daniela Barile2 1. Department of Food Science and Technology, University of California, Davis; 2. Foods for Health Institute, University of California, Davis Complex glycans in human milk have been demonstrated to exhibit a variety of health effects in developing infants, including prebiotic, immunomodulatory, and anti-pathogenic roles. We are isolating milk glycans from dairy co-products in a multifaceted strategy to reclaim economic value from currently underutilized streams and improve nutrition for... Read More... Download PDF

Constitutive expression of microRNA-150 in mammary epithelium suppresses secretory activation and impairs de novo lipogenesis

Richard Heinz, University of Colorado Anschutz Medical Campus, Aurora, USA
Student Travel Award Recipient

Heinz RE1, Rudolph MC2, Ramanathan P3, Spoelstra NS4, Butterfield KT4, Webb PG5, Babbs BL4, Gao H6, Chen S6, Gordon M4, Anderson SM4, Neville MC5,7, Gu H4,6 and JK Richer4 1. Cancer Biology Graduate Program 2. Division of Endocrinology, Metabolism and Diabetes, School of Medicine, Departments of: 4. Pathology, 5. Obstetrics and Gynecology, 7. Physiology and Biophysics, and at the University of Colorado Anschutz Medical Campus, Aurora, CO 3. Department of Pathology, University of Texas Medical Branch, Galveston, TX. 6. Key Laboratory of Laboratory Medicine, Ministry of Education,... Read More... Download PDF

RNA-Seq of mammary epithelial organoids from virgin and lactating glands of 15 Holstein-Friesian cows

Hannah Lyman, Genome Center, University of California, Davis, CA, USA
Student Travel Award Recipient

Hannah S. Lyman1, Keith Bradnam2, Jessica Elswood3, Adrian Molenaar4, Kuljeet Singh3, Joanne Dobson3, Kim Oden3, Ian Korf1, Danielle G. Lemay1, and Monique Rijnkels3 1. Genome Center, University of California, Davis; 2. Institute of Cancer Research, London, England; 3. Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station; 4. AgResearch Ltd, Grassland Research Center, Palmerston North, New Zealand; 5. AgResearch Ltd, Ruakura Research Center, Hamilton, New Zealand Although the process of... Read More...

A novel method for high-throughput analysis of bovine milk oligosaccharides

Randall Robinson, Dept. of Food Science, University of California, Davis, USA
Student Travel Award Recipient

Randall C. Robinson1, Nina A. Poulsen2, Lotte B. Larsen2, and Daniela Barile1,3 1. Department of Food Science and Technology, University of California, Davis; 2. Department of Food Science, Aarhus University, Denmark; 3. Foods for Health Institute, University of California, Davis Introduction: Oligosaccharides from mammalian milk are theorized to impart a variety of health benefits to consumers, as evidenced by studies demonstrating prebiotic and disease-preventing bioactivities. Beneficial oligosaccharides are highly concentrated in human milk, but are muchless abundant in bovine... Read More... Download PDF

Discovering natural bioactive peptides in cheese with mass spectrometry

Randall Robinson, Dept. of Food Science, University of California, Davis, USA
Student Travel Award Recipient

Randall C. Robinson1, David C. Dallas2, and Daniela Barile1,3 1. Department of Food Science and Technology, University of California, Davis; 2. School of Biological and Population Health Sciences, Oregon State University, Corvallis; 3. Foods for Health Institute, University of California, Davis Alterations in gastrointestinal microbiota are becoming increasingly common. Current anti-microbials are successful in treating overt infections, but are non-specific, cause many side effects, and can betoxic to the host’s cells. Non-selective interventions, notably broad-spectrum... Read More... Download PDF

Enzymatic modification of bovine milk oligosaccharides and their functional properties

Valerie Weinborn, Dept. of Food Science and Technology, University of California, Davis, USA
Student Travel Award Recipient

Valerie Weinborn1, Yanhong Li2, Xi Chen2, Daniela Barile1 1. Department of Food Science and Technology, University of California, Davis; 2. Department of Chemistry, University of California, Davis This multi-disciplinary collaborative project aims at developing new strategies that will allow the dairy industry to profit from oligosaccharides recovery. Our approach involves using whey permeate oligosaccharides as “backbones” for the production of improved functional compounds that would add great health value to dairy products. Human milk is the ideal food in terms of nutrition... Read More... Download PDF

Use of the milk microbiome to predict infant fecal bacterial community composition

Janet Williams, Dept. of Animal and Veterinary Sciences, University of Idaho, Moscow, USA
Student Travel Award Recipient

Janet E. Williams1,2, Benjamin J. Ridenhour4, Christopher H. Remien3, Sarah L. Brooker1,2, James T. Van Leuven6, Michelle K. McGuire5, and Mark A. McGuire1. 1. Department of Animal and Veterinary Sciences, University of Idaho, Moscow; 2. Program in Bioinformatics and Computational Biology, University of Idaho, Moscow; 3. Department of Mathematics, University of Idaho, Moscow; 4. Department of Biological Sciences, University of Idaho, Moscow; 5. School of Biological Sciences and Paul G. Allen School for Global Animal Health, Washington State University, Pullman; 6. Center for... Read More...

Accurate monitoring of living and total bacterial populations in milks for improved microbial management

Zhengyao Xue, Dept. of Food Science and Technology, University of California, Davis, USA
Student Travel Award Recipient

Zhengyao Xue1, Mary Kable1, Jessie Heidenreich2, Jeremy McLeod2 and Maria L. Marco1 1. Department of Food Science and Technology, University of California, Davis; 2. Hilmar Cheese Company, Hilmar, CA Milk contains a broad diversity of bacteria that enter milks through farm and processing environments. These bacteria are important determinants of the quality and safety of fluid milk and processed dairy products. Currently employed methods for microbial analysis of milk (and other dairy products) typically target only a limited number of bacterial species, and therefore restrict our... Read More... Download PDF

Anaerobic rumen fungi: Probiotic for dairy cows?

Isabel Gigli, Facultad de Agronomía, Universidad Nacional de La Pampa, Argentina

Mario Calafat1, Aníbal Pordomingo2, and Isabel Gigli1 1. Facultad de Agronomía, Universidad Nacional de La Pampa, Argentina; 2. Instituto Nacional de Investigación Agropecuaria, EEA Anguil, Argentina Among volatile fatty acids (propionate, butyrate and acetate) produced by ruminal microflora, propionate is the one that directly impacts total milk production. Once absorbed by ruminal papilla, propionate is transformed into glucose in the liver, and then used in the mammary gland to synthesize lactose. Changes in the cows’ diet and subsequent changes in the ruminal microflora could... Read More... Download PDF