发布时间:2019-05-19 16:24 原文链接: Western杂交

Western 杂交(主要内容如下)

  • Preparing of Protein Lysates

  • Western Blotting

  • Far Western Blotting

  • Semi Dry Blotting

  • Stripping Membranes

  • Trouble Shooting and Others


Preparing Protein Lysates

Western Blotting

  • SDS/PAGE Protein Transfer (Gimila Lab)
       

  • General Western Blot Protocol (KPL) 
    This procedure was written as a general protocol for use with standard Tris-Glycine SDS-PAGE gels and nitrocellulose membranes. It should give acceptable results in most situations. Optimization for particular situations may require modifying the conditions described.

·         Southerns, Westerns, and Northerns: Molecular Cloning Techniques (Brian White, MIT)
Basic theory, definition and procedures with illustration

·         Western Blotting (Howell Lab)
Procedures for preparation of cell lysate, gel, electrophoresis, transfer, antibody detection and stripping membranes.

·         Western Blots (William H. Heidcamp)

  • Western Blot & Immunostaining (R&D)
    Provides very nice and general protocol including Western Blot Procedure, immunostaining Procedure (standard and rapid), helpful hints and trouble shooting guide
     

·         Western Blotting Protocol (The Cell Biology and Cytoskeleton Group, HMS)

·         Protein Gel and Staining (Gottschling Lab)

·         Western Blotting (Corbett Lab) 

·         ECM Protocols Western Blot (LTI)
General protocol for ECM assay. A mixture of protein is separated electrophoretically by SDS-PAGE, and the individual protein bands are transferred to nitrocellulose paper. Specific antibody is then used to probe for any of the bands it might bind to, and the nonbound antibody is washed away.  The bound antibody is then detected by the addition of a second antibody against the immunoglobulin species contained in the first antibody.  This second antibody is labeled with an enzyme, and the specific protein band can then be visualized by the addition of an enzyme substrate containing a color developer.

·         Alkaline Phosphatase (AP) Staining of Western Blots. (Molecular Genetics RecLab)

·         Enzyme-Assisted Immunoelectroblotitng (IEB or Western Blotting) (Molecular Biology Techniques Manual)
This protocol describes the use of horizontal blotting of simple SDS-PA gels, and subsequent detection of proteins using rabbit antisera and alkaline phosphatase-conjugated goat-anti-rabbit IgG, detected using bromo-chloro-indolyl phosphate (BCIP) and Nitro-blue tetrazolium (NBT) salts.
  

·         Protein Dot-/Slot-Blotting (Schleicher & Schuell)
Dot-blots of protein simplify quantitative assays by direct application of the sample to a membrane or filter sheet without prior fractionation. The technique is used for carrying out binding assays on multiple samples, and is valuable for studies in which purification or other processing of the molecule may alter biological activity. The latter advantage makes the dot-blot technique ideal for preliminary screening to determine the effect of blotting or assay conditions on the activity of the sample.

·         Alkaline phosphatase (AP) staining of Western blots (Molecular Genetics Network Lab)

·         CDP-Star Western Blot Detection (Gimila Lab) 

Far Western Blotting

·         Far Western Blotting (Krause Lab)

Semi Dry Blotting

·         Western Blotting Using the SemiPhor Semi-Dry Transfer Unit (Goldberg Lab)
Very nice and detailed protocol with illustration

·         Semi Dry Blotting 

·         Western Transfer Using a Semidry Apparatus (PMCI)

Stripping Western Membranes

·         Stripping and Reprobing a Western Blot (KPL)

·         Stripping Western Membranes (Paul Brennan)
Reuse blot by stripping antibodies

·         Stripping Western Membranes (Monica Colitti)
Simple protocol for reusing blot

Troubleshooting and others

·         Troubleshooting Western And Dot-Blot Assays (Schleicher & Schuell)

·         Tips and hints for the storage of antibodies (Synaptic Systems)

·         Too Many Bands on Western Blot (Synaptic Systems)
It is not uncommon that, contrary to the theoretical predictions, several bands are detected. Although it is possible that the antibody is not entirely specific for the protein, other factors may be responsible


相关文章

牡蛎爱好者的福音!全新四倍体种质资源成功创制

近日,中国科学院南海海洋研究所研究员喻子牛团队在贝类种质创新上取得重要突破,创制出全新的正反交牡蛎异源四倍体。相关研究成果发表于Aquaculture。牡蛎是我国产量最大的海水养殖贝类,2022年产量......

研究揭示植物通过有性生殖实现远缘杂交的新机制

在国家自然科学基金项目(批准号:31991202、31830004、32122014、32070854)等资助下,北京大学瞿礼嘉教授、钟声副研究员团队在植物通过有性生殖实现远缘杂交的机制研究方面取得新......

研究发现种间杂交在气候边缘区明显增强

杂交在生物进化中扮演着极其重要的角色,特别是杂交可重组现有的遗传变异,并通过自然选择塑造出新物种。已有研究表明,近缘种间的杂交通常发生在分布重叠区,但科学家尚不清楚生态环境条件如何影响杂交的发生。近日......

四川杂交水稻新品种入选2023年国家超级稻

近日,由四川省农业科学院水稻高粱研究所等单位选育的杂交水稻新品种“品香优秱珍”入选2023年国家超级稻。据悉,品香优秱珍是通过不育系“品香A”和恢复系“秱珍”配组育成的中籼迟熟三系杂交水稻新品种,其中......

研究解开水稻生殖隔离之谜

一般来说,水稻品种间亲缘关系越远,杂交优势越明显。据预测,如果籼稻和粳稻亚种间能育成超级杂交稻,可以比现有杂交水稻增产15%以上,因此,如何利用亚种间的超强优势一直受到育种家的关注。7月26日,中国工......

跨界共赢岛津与杂交水稻检测中心共建合作实验室

2023年5月19日,由杂交水稻全国重点实验室检验检测中心(简称“检测中心”)和岛津企业管理(中国)有限公司(简称“岛津”)联合举办的杂交水稻全国重点实验室检验检测中心-岛津合作实验室挂牌仪式暨代谢组......

马铃薯杂交育种获重要突破

    马铃薯是人们餐桌上的常客,但对育种家来说,培育优质马铃薯品种是个难题。北京时间2023年5月4日,国际学术期刊《细胞》在线发表了中国农业科学院深圳农业基......

“杰出”的玉米是如何杂交的?

作物的杂交后代比它的双亲表现出更大的生物量、更强的抗逆性、更高的产量,这就是杂种优势。百余年来,遗传学家一直在苦苦探寻其背后的遗传学机理,寻找能让后代比双亲更“杰出”的基因位点,却难以揭开其神秘的面纱......

世界首个种间远缘杂交后代粳稻新品种选育成功

7月7日,“2021年度云南省科学技术奖励大会”在昆明海埂会堂举行。云南省农业科学院陶大云团队历时二十余年攻关,首次利用非洲栽培稻资源培育出国际上首个种间远缘杂交后代粳型水稻新品种“云稻一号”。该团队......

我国科学家发表花瓣发育和复杂化综述文章

近日,中科院植物研究所研究员孔宏智团队应邀在《实验植物学杂志》(JournalofExperimentalBotany)上发表综述文章,系统总结和阐述了花瓣发育和复杂化方面的最新研究进展,并提出了自己......