A method for protein extraction from different subcellular fractions of laticifer latex in Hevea brasiliensis compatible with 2-DE and MS
文献类型： 外文期刊
作者： Wang, Xuchu 1 ; Shi, Minjing 2 ; Lu, Xiuli 1 ; Ma, Ruifeng 2 ; Wu, Chenggong 1 ; Guo, Anping 1 ; Peng, Ming 1 ; Tian, Wei 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Minist Agr, Inst Trop Biosci & Biotechnol, Key Lab Trop Crop Biotechnol, Haikou Hainan, Peoples R China
2.Chinese Acad Trop Agr Sci, Rubber Res Inst, Key Lab Rubber Biol, Minist Agr, Danzhou Hainan, Peoples R China
3.Chinese Acad Trop Agr Sci, Rubber
期刊名称：PROTEOME SCIENCE （ 影响因子：2.48； 五年影响因子：2.619 ）
ISSN： 1477-5956
年卷期： 2010 年 8 卷
页码：
收录情况： SCI
摘要： Background: Proteomic analysis of laticifer latex in Hevea brasiliensis has been received more significant attentions. However, the sticky and viscous characteristic of rubber latex as cytoplasm of laticifer cells and the complication of laticifer latex membrane systems has made it challenge to isolate high-quality proteins for 2-DE and MS. Results: Based on the reported Borax/PVPP/Phenol (BPP) protocol, we developed an efficient method for protein preparation from different latex subcellular fractions and constructed high-resolution reference 2-DE maps. The obtained proteins from both total latex and C-serum fraction with this protocol generate more than one thousand protein spots and several hundreds of protein spots from rubber particles as well as lutoid fraction and its membranes on the CBB stained 2-DE gels. The identification of 13 representative proteins on 2-DE gels by MALDI TOF/TOF MS/MS suggested that this method is compatible with MS. Conclusion: The proteins extracted by this method are compatible with 2-DE and MS. This protein preparation protocol is expected to be used in future comparative proteomic analysis for natural rubber latex.
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