肺炎支原體雙向電泳條件的探索
[Abstract]:OBJECTIVE To establish a two-dimensional electrophoresis technique for Mycoplasma pneumoniae (MP). Methods Three key factors in the two-dimensional electrophoresis experiment were explored, including the total protein extraction, the range of solid phase PH gradient strips and the sample size on the protein. The electrophoretic patterns of FH of the standard strain were compared and analyzed, and identified by liquid chromatography-tandem mass spectrometry (LC-MS/MS). Results The whole protein was extracted by centrifugation and ultrasonic fragmentation. The sample size was 2 mg, and the solid phase PH gradient strip was PH4-7. The two-dimensional electrophoresis pattern with uniform distribution of protein spots was obtained. The number of protein spots was 60. The chaperone protein (Chaper) was successfully obtained by liquid chromatography-mass spectrometry (LC-MS/MS). CONCLUSION A two-dimensional electrophoresis technique suitable for the proteomic analysis of Mycoplasma pneumoniae has been successfully established, which provides a reliable technical platform for the study of Mycoplasma pneumoniae proteomics.
【作者單位】: 軍事醫(yī)學(xué)科學(xué)院附屬醫(yī)院呼吸與危重癥醫(yī)學(xué)科;軍事醫(yī)學(xué)科學(xué)院疾病預(yù)防控制所;
【基金】:首都特色基金(Z141107002514182) 國(guó)家自然科學(xué)基金(81400009)
【分類號(hào)】:R375.2
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