Systems Biology


    Protocols in Current Issue
    Experiments for in silico evaluation of Optimality of Photosynthetic Nitrogen Distribution and Partitioning in the Canopy: an Example Using Greenhouse Cucumber Plants
    Authors:  Yi-Chen Pao, Tsu-Wei Chen, Dany Pascal Moualeu-Ngangue and Hartmut Stützel, date: 03/20/2020, view: 1179, Q&A: 0
    [Abstract] Acclimation of leaf traits to fluctuating environments is a key mechanism to maximize fitness. One of the most important strategies in acclimation to changing light is to maintain efficient utilization of nitrogen in the photosynthetic apparatus by continuous modifications of between-leaf distribution along the canopy depth and within-leaf ...
    Use of Gas Chromatography to Quantify Short Chain Fatty Acids in the Serum, Colonic Luminal Content and Feces of Mice
    [Abstract] Short-Chain Fatty Acids (SCFAs) are a product of the fermentation of resistant starches and dietary fibers by the gut microbiota. The most important SCFA are acetate (C2), propionate (C3) and butyrate (C4). These metabolites are formed and absorbed in the colon and then transported through the hepatic vein to the liver. SCFAs are more concentrated ...
    Stable-isotope Labeled Metabolic Analysis in Drosophila melanogaster: From Experimental Setup to Data Analysis
    Authors:  Yuping Cai, Nan Liu and Zheng-Jiang Zhu, date: 09/20/2018, view: 3361, Q&A: 0
    [Abstract] Stable-isotope labeled metabolic analysis is an essential methodology to characterize metabolic regulation during biological processes. However, the method using stable-isotope-labeled tracer (e.g., 13C-glucose) in live animal is only beginning to be developed. Here, we contribute a qualitative metabolic labeling experiment ...
    Identification and Quantification of Secondary Metabolites by LC-MS from Plant-associated Pseudomonas aurantiaca and Pseudomonas chlororaphis
    Authors:  Izzah Shahid, Muhammad Rizwan and Samina Mehnaz, date: 01/20/2018, view: 7089, Q&A: 0
    [Abstract] Increased antibiotic resistance of plants and human pathogens and continuous use of chemical fertilizers has pushed microbiologists to explore new microbial sources as potential antagonists. In this study, eight strains of Pseudomonas aurantiaca and Pseudomonas chlororaphis, have been isolated from different plant sources and ...
    Lipidomic Analysis of Caenorhabditis elegans Embryos
    Authors:  Hung-Chi Yang, Cheng-Yu Hung, Yi-Yun Pan, Szecheng J Lo and Daniel Tsun-Yee Chiu, date: 09/20/2017, view: 6319, Q&A: 0
    [Abstract] Metabolomic is an emerging field of system biology. Lipidomic, a branch of metabolomic, aims to characterize lipophilic metabolites in biological systems. Caenorhabditis elegans (C. elegans) is a genetically tractable and versatile animal model for novel discovery of lipid metabolism. In addition, C. elegans embryo is ...
    Arabidopsis Metabolome Analysis Using Infusion ESI FT-ICR/MS
    Authors:  Reiko Motohashi, Masakazu Satou, Fumiyoshi Myouga, Akira Oikawa and Daisaku Ohta, date: 05/05/2015, view: 6245, Q&A: 0
    [Abstract] We made the method for Arabidopsis metabolome analysis based on direct-infusion Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR/MS) (IonSpec). This method was sufficiently applied to metabolic phenotyping of Arabidopsis. This method is simple in that after homogenizing samples, powdered samples are dissolved ...

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