title: Metabolomic analysis of cooperative adaptation between co-cultured Bacillus cereus and Ketogulonicigenium vulgare.
abstract: The cooperative adaptation of subcultivated Bacillus cereus and Ketogulonicigenium vulgare significantly increased the productivity of 2-keto-L-gulonic acid, the precursor of vitamin C. The mechanism of cooperative adaptation of the serial subcultivated B. cereus and K. vulgare was investigated in this study by culturing the two strains orthogonally on agar plates. It was found that the swarming distance of B. cereus along the trace of K. vulgare on the plate decreased after 150 days' subcultivation. Metabolomic analysis on these co-cultured B. cereus and K. vulgare strains showed that their cooperative adaptation was accomplished by three key events: (i) the ability of nutrients (e.g., amino acids and purines) searching and intaking, and proteins biosynthesis is increased in the evolved B. cereus; (ii) the capability of protein degradation and amino acids transportation is enhanced in evolved K. vulgare; (iii) the evolved B. cereus was found to provide more nutrients (mostly amino acids and purines) to K. vulgare, thus strengthening the oxidation and energy generation of K. vulgare. Our results provided novel insights into the systems-level understanding of the cooperative adaptation between strains in synergistic consortium.
authors.affiliation: Key Laboratory of Systems Bioengineering, Ministry of Education (Tianjin University), Tianjin, PR China; School of Chemical Engineering and Technology, Tianjin University, Tianjin, PR China; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, PR China.
authors.forename: Ming-Zhu
authors.initials: MZ
authors.lastname: Ding
authors.affiliation: Key Laboratory of Systems Bioengineering, Ministry of Education (Tianjin University), Tianjin, PR China; School of Chemical Engineering and Technology, Tianjin University, Tianjin, PR China; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, PR China.
authors.forename: Yang
authors.initials: Y
authors.lastname: Zou
authors.affiliation: Key Laboratory of Systems Bioengineering, Ministry of Education (Tianjin University), Tianjin, PR China; School of Chemical Engineering and Technology, Tianjin University, Tianjin, PR China; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, PR China.
authors.forename: Hao
authors.initials: H
authors.lastname: Song
authors.affiliation: Key Laboratory of Systems Bioengineering, Ministry of Education (Tianjin University), Tianjin, PR China; School of Chemical Engineering and Technology, Tianjin University, Tianjin, PR China; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, PR China.
authors.forename: Ying-Jin
authors.initials: YJ
authors.lastname: Yuan
mesh_terms: D001409:Bacillus cereus / Q000378:metabolism*; D053898:Biosynthetic Pathways; D018920:Coculture Techniques; D055442:Metabolome; D055432:Metabolomics; D008954:Models, Biological; D009705:Nucleosides / Q000378:metabolism; D010084:Oxidation-Reduction; D011687:Purines / Q000378:metabolism; D041902:Rhodobacteraceae / Q000378:metabolism*; D013312:Stress, Physiological
chemical_list: D009705:Nucleosides; D011687:Purines
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