Chemicaltransformation
Chemical transformationPreparation of chemically competent cellsHave the following solutions at 0-4 deg C:a) 100 mM MgCl2b) 100 mM CaCl2-15% glycerolc) sterile GSA bottles and pre-cooled rotor1. Grow a 5 mL overnight culture of bacteria.2. Dilute 1:100 and shake at 37 deg C (5 mL into 500 mL).3. After 1.5-2 hours, A600= 0.5-0.6 (0.4 also works well).4. When cells reach proper density, transfer to GSA bottles and spin......阅读全文
Chemical－transformation
Chemical transformationPreparation of chemically competent cellsHave the following solutions at 0-4 deg C:a) 100 mM MgCl2b) 100 mM CaCl2-15% glycerolc
Bacterial－transformation
IntroductionTransformation is the process of introducing foreign DNA (e.g plasmids, BAC) into a bacterium. Bacterial cells into which foreign DNA can
Lactobacillus－transformation
OverviewThis page details a electrotransformation protocol for Lactobacillus bacteria, specifically Lactobacillus delbruckii subsp. bulgaricus and Lac
Spheroplast－Transformation
MaterialsYPD platesYPD1 M sorbitol 182 g/l (Sigma S7547)2 M sorbitol 36.4 g/100 mlSCE (per liter)1 M sorbitol (182 g)100 mM citric acid trisodium salt
Transformation－Protocol－for－Arabidopsis
Transformation Protocol for Arabidopsis – AbbreviatedGerminate seed in pots↓ 4 weeksStreak bacteria onto YM/MinA↓ 2-3 days 28°CSpray/dip bacterial sus
Fast－Yeast－Transformation
Protocol: Fast yeast transformationAdd 50 µl carrier DNA to a 1.5 ml tube.scrap cells from plate and add to the carrier DNA.Add in the following order
Agrobacterium－growth－and－transformation
Growth and storage of Agrobacterium tumefaciensStrain GV3101: resistant to gentamycin and rifampicin so add 25-50 ug/ml Gentamycin, 10 ug/ ml rifampic
High－Efficiency－Transformation
Day 0Make sure you have the necessary solutions (instructions for how to make them can be found here):Single-stranded carrier DNAPEG 3350 50% w/vol1.0
In－Planta－Transformation－of－Arabidopsis
实验概要 A breakthrough in Arabidopsis research was the invention ofthe vacuum-infiltration procedure, a simple and reliable methodof obtaining
Method:－Lymphocyte－Transformation
Method: Lymphocyte TransformationMay 30, 1990Rosalie VeilePrinciple:Lymphocytes are transformed to establish cell lines. Mononuclear cells (lymphocyte
Modified－Yeast－Transformation
Inoculate cells from an overnight culture into 50 ml YEPD and incubate at 30°C with shaking. Typically, add 0.1 to 0.2 ml saturated culture in the eve
Chemical－Induction－of－Apoptosis
Chemical Induction of Apoptosis - 1 May 2001p53, p21WAF1, Myc, Bcl-2, Bax, Bcl-x and bak are among the proteins involved in the regulation of apoptosi
Streptomyces:Protocols/Transformation－by－Electroporation
Description Transform E.coli cells with plasmid/cosmid DNA using the method of electrophoration (inserting plasmids into E.coli).Approx. Duration:Prep
L.－acidophilus－transformation
OverviewElectrotransformation procedure for Lactobacillus acidophilusProcedurePrepare Electrocompetent cellsInoculate overnight culture at 10^6 CFU/ml
Simplified－Arabidopsis－Transformation－Protocol
实验概要Our present protocol (Clough and Bent, 1998; modified from Bechtold et al. 1993) is extremely simple. We have found that the MS salts, hormone
基因转型(gene－transformation)
目的带有特定基因的质体在分子生物研究上，是一个很重要的工具，将质体送入细菌的过程称为基因转形，经由基因转型可使质体在细菌中大量复制，以备进一步研究。本实验将把你在前面转殖实验中cDNA和质体DNA的连结反应送入细菌。 你将从本实验学习如何进行基因转型作用。原理早在1970年左右，有人发现细菌经由冰冷
Simplified－Arabidopsis－Transformation－Protocol
(Brief version for those who are familiar with the method)Steve Clough and Andrew Bent, University of Illinois at Urbana-Champaign.Our present proto
Transformation－of－Magnaporthe－grisea－to－phosphinothricin－resistance
Three transformation systems have been reported for the rice blast fungus Magnaporthe grisea (Parsons et al. 1987 Proc. Natl. Acad. Sci. USA 84:4161-4
Transformation－of－E.－coli－by－Electroporation
实验概要 Electrocompetent bacteria are prepared by growing cultures to mid-log phase, washing the bacteria extensively at low temperature, and
Chemical－Genomics－Approaches－in－Plant－Biology
Chemical genomics (i.e., genomics-scale chemical genetics) approaches are based on the ability of low-molecular-mass molecules to modify biologica
Unattended－and－Automated－Sampling－of－Chemical－Reactions
May 01, 2015 - Columbia, MDSampling chemical reactions for offline analysis by HPLC, NMR and other analytical techniques to determine reaction pro
Plastid－Transformation－for－Abiotic－Stress－Tolerance－in－Plants
Abiotic stresses such as drought, salinity, and extreme temperatures are major limiting factors in plant growth and development and pose serious thr
PEGMediated－Protoplast－Transformation－with－Naked－DNA
Direct introduction of DNA into plant protoplasts facilitates a rapid analysis of transient gene expression, as well as the generation of stably t
Green－lab－protocol－for－vacuum－infiltration－transformation－of－Arabidopsis
This protocol is adapted from protocols by Nicole Bechtold (Bechtold et al. 1993), Andrew Bent (Bent et al. 1994) and Takashi Araki. No claims are
细菌转化（bacterial－transformation）原理和操作
1．目的学会质粒DNA转化感受态受体菌的技术。2．原理质粒DNA粘附在细菌细胞表面，经过42°C短时间的热击处理，促进吸收DNA。然后在非选择培养基中培养一代，待质粒上所带的抗菌素基因表达，就可以在含抗菌素的培养基中生长。3．器材旋涡混合器，微量移液取样器，移液器吸头，1.5ml 微量离心管，双面微
Transformation－of－Electrocompetent－E.－coli－with－Blue/White－selection
Desalt DNA template by EtOH precipitation in NaOAc followed by at least 2x washes with 70% EtOH. Resuspend in 5 - 15 µL of sterile H2O.Rinse cuvettes
AgrobacteriumMediated－Maize－Transformation:－Immature－Embryos－Versus－Callus
Transformation with Agrobacterium tumefaciens is the preferred method for delivery of transgenes into a wide range of plant species including maiz
Accounts－of－Chemical－Research－综述：超薄形状改变智能材料
超薄材料微观图 超薄材料的低弯曲刚度，表明它们可以容易地弯曲折叠成3D形状。近日，约翰霍普金斯大学的David H. Gracias教授（通讯作者）等人回顾了超薄材料的2D到3D形状转换的新兴领域。超薄薄膜的弯曲和扭曲会引起原子分子的应变，从而改变它们的物理和化学性质，并导致与其平面前体表现出
Chemical－Science：一类新型抗癌药
纽约大学的研究人员和该大学生物项目的同事开发并研究了五种新型金属-有机杂化打结分子的生物活性，它们被称为金属-有机三叶结(M-TKs)。这些分子可以有效地将金属传递给癌细胞，显示出作为一种新型抗癌药物的潜力。 这项研究发表在Chemical Science上，由化学教授Ali Trabolsi
【喜讯】2022年Chinese－Chemical－Letters影响因子9.1!
2023年6月28日，科睿唯安（Clarivate Analytics）发布了2022年《期刊引证报告》（Journal Citation Reports， JCR），Chinese Chemcial Letters （CCL）2022年的影响因子为9.100，总被引频次26104次，Q1区！在