refer to the URL and you may find it useful to your research,
particularly when you use PCR frequently for cloning, genotyping,
characterization, etc.
cuturl('http://www.pcrlinks.com/index.html') 作者: one 时间: 2011-10-12 10:38
建议看分子克隆(第三版),有很详细的介绍啊! 作者: one 时间: 2011-10-12 10:39
Component Final Concentration
Template 10^4-10^6 copies of DNA template
Primer 1 0.1-0.5µM
Primer 2 0.1-0.5µM
10X Reaction buffer 1X
Magnesium 1.0-3.0mM
dNTP mix 200 mM each dNTP
Thermostable DNA polymerase 1-4 units/100 ml reaction
Minimum Yield(OD) for Different Primer Purities*
Number of Bases Synthesis Scale Standard/Desalted Cartridge HPLC PAGE
大于20 50nmole 2 2 NA NA
200nmole 8 8 3 1
1µmol 20 20 10 3
10µmol 200 NA 100 30
大于等于20 50nmole 5 2 NA NA
200nmole 20 10 3 1
1µmol 50 25 15 5
10µmol 500 NA 150 50
Note:For primers > 50 bases, PAGE purification is recommended and HPLC is not an option.
NA is not available.
*These Yields are seen with the following 5' modifications: biotin, fluorescein(FITC), rhodamine, primary amines(NH2), phosphate(PO4), HEX, TET, FAM, and phosphorothioates(S-Oligos), Other modifications may have slightly lower yields.
Genonic DNA Size(bp)* Target Molecules/µg of Genomic DNA Amount of DNA(µg) for -10^5 Molecules
E. coli 4.7×10^6 1.8×10^8 0.001
Saccharomyces cerevisiae 2.0×10^7 4.5×10^7 0.01
Arabidopsis thaliana 7.0×10^7 1.3×10^7 0.01
Drosophila melanogaster 1.6×10^8 6.6×10^5 0.5
Homo sapiens 2.8×10^9 3.2×10^5 1.0
Xenopus laevis 2.9×10^9 3.1×10^5 1.0
1.0Mus musculus 3.3×10^9 2.7×10^5 1.0
Zea mays 1.5×10^10 6.0×10^4 2.0
pUC 18 plasmid DNA 2.69×10^3 3.4×10^11 1×10^(-6)
*Haploid genome size
酶的选择
除了使用高质量模板DNA,聚合酶的选择也会影响产量(见第十三章,PCR聚合酶的比较)。Platinum聚合酶比其他聚合酶产量高,因为它防止了PCR反应配制过程中的非特异性扩增(图24)。对长片段(最大到12kb)的高灵敏度PCR,应选择酶混合物,最好是Platinum形式,如Platinum Taq DNA Polymerase High Fidelity。这种酶结合了Platinum技术和酶混合物(Taq DNA聚合酶同带有校正功能的聚合酶混合物)的优点。
SuperScript One-Step RT-PCR System with Platinum Taq DNA Polymerase(包括SuperScriptⅡRT/Platinum Taq DNA Polymerase mix,2×reaction buffer,MgSO4) 10928-03410928-042 25反应100反应
SuperScript One-Step RT-PCR System for Long Templates(包括SuperScriptⅡRT/Platinum Taq DNA Polymerase High Fidelity mix,2×reaction buffer,MgSO4) 11922-01011922-028 25反应100反应
ThermoScript RT-PCR System(包括ThermoScript RT,5×cDNA Synthesis Buffer,Mg solution),oligo(dT)20,random hexamers,0.1M DTT,10mM dNTP mix,RNaseOUT RNase Inhibitor,DEPC treated water以及E.coli RNase H)。 11146-02411146-016 25反应100反应
ThermoScript RT-PCR System and Platinum Taq DNA Polymerase 11146-05711146-032 25反应100反应
ThermoScript RT-PCR System and Platinum Taq DNA Polymerase High Fidelity 11146-040 100反应
Platinum® Quantitative RT-PCR ThermoScript One-Step System 11731-01511731-023 100反应500反应
M-MLV Reverse Transcriptase 28025-01328025-021 40000单位200000单位
RT-PCR Primer and Control Set(包括Hela RNA和β-actin primers)。 10929-016 20反应
Ribonuclease H 18021-01418021-071 30单位120单位
DNaseⅠ,Amplification Grade 18068-015 100单位
RNaseOUT Recombinant Ribonuclease Inhibitor 10777-019 5000单位
DEPC-treated Water 10813-012 4×1.25ml
5' RACE System for Rapid Amplification of cDNA End,Version 2.0 18374-058 10反应
3' RACE System for Rapid Amplification of cDNA End 18373-019 20反应
GeneRacer™Kit with SuperScript™ⅡRT and TOPO TA Cloning® Kit for Sequencing L1502-01 1kit*
GeneRacer™Kit with SuperScript™ⅡRT and Zero Blunt® TOPO® PCR Cloning Kit for Sequencing L1502-02 1kit*
Plantinum® Taq DNA Polymerase High Fidelity 11304-011 100单位
*Includes sufficient reagents for 5 cDNA, 50 PCR, and 10 cloning reactions, and 1 control reaction.
产 品 货 号 规 格
AFLP® Analysis SystemⅠ(基因组介于5×10^8到6×10^9之间)(包含AFLP Core Reagent Kit和AFLP Starter Primer Kit) 10544-013 each
AFLP?® Analysis SystemⅡ(基因组介于1×10^8到5×10^8之间)(包含AFLP Core Reagent Kit和AFLP Small Genome Primer Kit) 10717-015 each
AFLP® System for Microoranisms(为细菌和真菌设计) 11352-010 each
PCR相关产品
产 品 货 号 规 格
100bp DNA Ladder 15628-01915628-050 50μg250μg
1kb Plus DNA Ladder 10787-01810787-026 250μg1000μg
0.6-1.77 Kb RNA Ladder 15623-010 75μg
0.24-9.5 Kb RNA Ladder 15620-016 75μg
Silicone Oil 10890-010 4ml
Uracil DNA Glycosylase 18054-015 100单位
PCR产物克隆
产 品 货 号
TOPO TA Cloning® Kit K4500-01K4550-01K4560-01
TOPO TA Cloning® Kit Dual Promoter K4600-01K4650-01K4660-01
TOPO TA Cloning® Kit for Sequencing K4575-01
Original TA Cloning® Kit K2000-01K2030-01
Original TA Cloning® Kit Dual Promoter K2050-01K2060-01
Various All the TOPO Exp. Kits
Zero Blunt® TOPO® PCR Cloning Kit K2800-20
Zero Blunt® TOPO® PCR C 作者: 椰子叶子 时间: 2011-10-12 11:42