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DATABASE Metabolomics analysis Phaseolus vulgaris treated with a biostimulant obtained from Corynebacterium glutamicum

ABSTRACT: Chromatographic separation was performed using a reversed-phase Accucore C18 column (Thermo Scientific, Germany, 2.6 um, 2.1 x 100 mm) at flow rate of 0.3 mL/min with the mobile phases A (water containing 0.1% formic acid, v/v) and B (acetonitrile) eluted in the gradient: 0-10 min, 5% B; 10-20 min, 5 to 98% B; 20-21.2 min, 98 to 5% B and 21,2-30 min, 5% B at 45 C. The injection volume was 3 uL. The detection was performed in positive-ion mode over a range of m/z 115 to 1500 with an acquisition rate of 10 Hz, normalized collision energy (NCE) of 30 eV and following main parameters: nebulizing gas temperature of 250 C with a flow of 10 L/min, nebulization gas pressure: 45 psi and capillary voltage: + 3500 V, with a potential plate end of - 500 V. The 6 most intense ions per cycle were selected for automatic fragmentation (AutoMS/MS).

INSTRUMENT(S): Q Exactive

ORGANISM(S): Phaseolus Vulgaris (ncbitaxon:3885) Corynebacterium Glutamicum (ncbitaxon:1718)

SUBMITTER: Taicia Pacheco Fill

PROVIDER: MSV000092088 | MassIVE | Fri Jun 02 09:17:00 BST 2023

REPOSITORIES: MassIVE

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Project description:<p>The sample to be tested was fully ground into powder in the grinder, 50 mg of the sample was freeze-dried, 1000 μL of the extraction solution containing the inner target was added (methanol:acetonitrile:water, 2:2:1, v/v/v, internal standard concentration 20 mg/L) and vortex mixed for 30 s; then add the steel ball to the 45 Hz grinder for 10 min, ultrasonic 10 min; the sample to be tested is obtained after filtration. When detecting metabolites, metabolite determination was performed based on the LC-MS system, which mainly consists of Waters Acquity I-Class PLUS ultra-high performance liquid tandem and Waters Xevo G2-XS QTof high-resolution mass spectrometer. Meanwhile, the Waters Acquity UPLC HSS T3 column (1.8 um 2.1 x 100 mm) was used as the chromatographic column. Positive and negative ion modes were used to determine the metabolites. Mobile phase A: 0.1% formic acid aqueous solution; Mobile phase B: 0.1% acetonitrile formate. The mobile phase conditions of liquid chromatography were as follows: the flow rate was 400 μL/min, 0.0 min: 98% flow A, 2% flow B; 0.25 min: 98% flow A, 2% flow B, 10.0 min: 2% flow A, 98% flow B; 13.0 min: 2% flow A, 98% flow B; 13.1 min: 98% flow A, 2% flow B; 15.0 min: 98% flow A, 2% flow B. MSe mode controlled by acquisition software (MassLynx v4.2, Waters) was used for primary and secondary mass spectrum data acquisition. ESI ion source parameters are as follows: Capillary voltage, 2500 V (positive ion mode) or -2000 V (negative ion mode); Cone hole voltage, 30 V; Ion source temperature, 100 °C; Desolvent temperature, 500 °C; Air flow rate, 50 L/h; Desolvent gas flow rate, 800 L/h; Plastic-nucleus ratio (m/z) collection range 50-1200 m/z. In the qualitative and quantitative analysis of metabolites, the original data collected by MassLynx v4.2 were processed by the Progenesis QI software for peak extraction, peak alignment, and other data, and the metabolites were identified based on the Progenesis QI software online METLIN database. Then, based on the results of the total score, MS2 score, and mass error (ppm), the metabolites were qualitatively determined.</p>

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DATABASE Metabolomics analysis Phaseolus vulgaris treated with a biostimulant obtained from Corynebacterium glutamicum

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