香蕉(Musa spp.)根蛋白质组二维电泳分析中不同蛋白质提取方法的评价。

IF 1.5 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Indian journal of biochemistry & biophysics Pub Date : 2015-02-01

M Mayil Vaganan, S Sarumathi, A Nandakumar, I Ravi, M M Mustaffa

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引用次数: 0

摘要

对香蕉(Grand Naine)根中顽固性组织进行蛋白质组学分析，分别对三氯乙酸-丙酮(TCA)、苯酚-乙酸铵(PAA)、苯酚/ sds -乙酸铵(PSA)和三碱基-丙酮(TBA)四种方法进行了改进。从蛋白产量、分离蛋白数量、斑点数量总和、平均斑点强度和4 ~ 7 pI范围内分离蛋白数量等方面对2-DE电泳分离蛋白进行比较。与TCA和其他方案相比，PAA方案在2-DE凝胶中获得了更多的蛋白质(0.89 mg/g)和蛋白质斑点(584个)。此外，PAA方案在总斑点数量和平均斑点强度上均优于TCA和其他方案，表明苯酚作为提取剂和乙酸铵作为蛋白质沉淀剂最适合进行2-DE香蕉根组学分析。此外，根组织与提取缓冲液的比例为1:3，隔夜蛋白质沉淀最有效，可获得最大的蛋白质产量。

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Evaluation of different protein extraction methods for banana (Musa spp.) root proteome analysis by two-dimensional electrophoresis.

Four protocols viz., the trichloroacetic acid-acetone (TCA), phenol-ammonium acetate (PAA), phenol/SDS-ammonium acetate (PSA) and trisbase-acetone (TBA) were evaluated with modifications for protein extraction from banana (Grand Naine) roots, considered as recalcitrant tissues for proteomic analysis. The two-dimensional electrophoresis (2-DE) separated proteins were compared based on protein yield, number of resolved proteins, sum of spot quantity, average spot intensity and proteins resolved in 4-7 pI range. The PAA protocol yielded more proteins (0.89 mg/g of tissues) and protein spots (584) in 2-DE gel than TCA and other protocols. Also, the PAA protocol was superior in terms of sum of total spot quantity and average spot intensity than TCA and other protocols, suggesting phenol as extractant and ammonium acetate as precipitant of proteins were the most suitable for banana rooteomics analysis by 2-DE. In addition, 1:3 ratios of root tissue to extraction buffer and overnight protein precipitation were most efficient to obtain maximum protein yield.

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来源期刊

Indian journal of biochemistry & biophysics 生物-生化与分子生物学

CiteScore

2.90

自引率

50.00%

发文量

审稿时长

3 months

期刊介绍： Started in 1964, this journal publishes original research articles in the following areas: structure-function relationships of biomolecules; biomolecular recognition, protein-protein and protein-DNA interactions; gene-cloning, genetic engineering, genome analysis, gene targeting, gene expression, vectors, gene therapy; drug targeting, drug design; molecular basis of genetic diseases; conformational studies, computer simulation, novel DNA structures and their biological implications, protein folding; enzymes structure, catalytic mechanisms, regulation; membrane biochemistry, transport, ion channels, signal transduction, cell-cell communication, glycobiology; receptors, antigen-antibody binding, neurochemistry, ageing, apoptosis, cell cycle control; hormones, growth factors; oncogenes, host-virus interactions, viral assembly and structure; intermediary metabolism, molecular basis of disease processes, vitamins, coenzymes, carrier proteins, toxicology; plant and microbial biochemistry; surface forces, micelles and microemulsions, colloids, electrical phenomena, etc. in biological systems. Solicited peer reviewed articles on contemporary Themes and Methods in Biochemistry and Biophysics form an important feature of IJBB. Review articles on a current topic in the above fields are also considered. They must dwell more on research work done during the last couple of years in the field and authors should integrate their own work with that of others with acumen and authenticity, mere compilation of references by a third party is discouraged. While IJBB strongly promotes innovative novel research works for publication as full length papers, it also considers research data emanating from limited objectives, and extension of ongoing experimental works as ‘Notes’. IJBB follows “Double Blind Review process” where author names, affiliations and other correspondence details are removed to ensure fare evaluation. At the same time, reviewer names are not disclosed to authors.