Umaporn Uawisetwathana1, Siwat Plaisen2, Sopacha Arayamethakorn2, Prapatsorn Jitthiang2, Wanilada Rungrassamee2. 1. Microarray Research Team, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Nueng, Khlong Luang, 12120, Pathumthani, Thailand. umaporn.uaw@biotec.or.th. 2. Microarray Research Team, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Nueng, Khlong Luang, 12120, Pathumthani, Thailand.
Abstract
INTRODUCTION: Intestinal microbiota and metabolites play important roles for further improvement of animal production. Metabolomics of shrimp intestine to understand roles and their relationship to the host is hampered by the lack of metabolome profiling method. OBJECTIVES: This study aims to develop extraction and analytical methods to allow accurate metabolic analysis in shrimp intestine. METHODS: Conditions for extraction and LC-HRMS/MS analysis were optimized. RESULTS: Extraction with ethyl acetate:acetone (15:2 v/v) acidified with 0.5% acetic acid, elution with acetonitrile:water acidified with 0.01% acetic acid for 25 min, and mass fragmentation at 15% HCD were the optimal conditions, yielding the highest signal intensity and numbers of putative metabolites. CONCLUSION: Our method enabled in-depth study for shrimp-microbial interaction at metabolite level.
INTRODUCTION: Intestinal microbiota and metabolites play important roles for further improvement of animal production. Metabolomics of shrimp intestine to understand roles and their relationship to the host is hampered by the lack of metabolome profiling method. OBJECTIVES: This study aims to develop extraction and analytical methods to allow accurate metabolic analysis in shrimp intestine. METHODS: Conditions for extraction and LC-HRMS/MS analysis were optimized. RESULTS: Extraction with ethyl acetate:acetone (15:2 v/v) acidified with 0.5% acetic acid, elution with acetonitrile:water acidified with 0.01% acetic acid for 25 min, and mass fragmentation at 15% HCD were the optimal conditions, yielding the highest signal intensity and numbers of putative metabolites. CONCLUSION: Our method enabled in-depth study for shrimp-microbial interaction at metabolite level.
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