內切酶列表:EnzymesGeneratingBluntEnds
Asymmetric sequences are indicated by *.Single letter code:R = G or A; Y = C or T; W = A or T; M = A or C; K = G or T; S = C or G;H = A, C or T;V = A, C or G;B = C, G or T;D = A, G or T;N = G, A, T or C. RecognitionsequenceEnzymeAAT^ATTSspIAGC^GCTEco47IIIAG^CTAluIAGG^CCTEco147IAGT^ACTScaIATTT^AAAT SmiICACGTC(-3/-3)^*BtrICAC^GTGEco72ICACNN^NNGTGOliICAG^CTGPvuIICAYNN^NNRTGMslICCC^GGGS......閱讀全文
內切酶列表:Enzymes-Generating-Blunt-Ends
Asymmetric sequences are indicated by *.Single letter code:R = G or A;?Y = C or T;?W = A or T;?M = A or C;?K = G or T;?S = C or G;H = A, C or T;V = A,
內切酶列表:Enzymes-Generating-Blunt-Ends
Asymmetric sequences are indicated by *.Single letter code:R = G or A;?Y = C or T;?W = A or T;?M = A or C;?K = G or T;?S = C or G;H = A, C or T;V = A,
內切酶列表:Enzymes-Generating-5protruding-Ends
Asymmetric sequences are indicated by *.Single letter code:R = G or A;?Y = C or T;?W = A or T;?M = A or C;?K = G or T;?S = C or G;H = A, C or T;V = A,
內切酶列表:Enzymes-Generating-3protruding-Ends
Asymmetric sequences are indicated by *.Single letter code:R = G or A;?Y = C or T;?W = A or T;?M = A or C;?K = G or T;?S = C or G;H = A, C or T;V = A,
DNA的酶學操作
DNA的酶學操作DNA Modifying Enzymes?(Michael Blaber)Introduction to bacterial restriction/modification system. It provides very useful background knowledge
PCR基本實驗方法(五)
Cloning?PCR?ProductsT-A Cloning Strategy:?Taq and other polymerases seem to have a terminal transferase activity which results in the non-templated ad
PCR基本實驗方法(五)
Cloning?PCR ProductsT-A Cloning Strategy:?Taq and other polymerases seem to have a terminal transferase activity which results in the non-templated ad
Cloning-PCR-products-using-TA-vectors
Cloning PCR products using TA vectorsby Paul N. Hengen, Ph.D.?*Methods and reagents is a unique monthly column that highlights current discussions in
EZBlunt載體克隆介紹
EZ- Blunt載體環形圖譜和多克隆位點?EZ-Blunt載體克隆常見問題分析與處理?
DEPHOSPHORYLATION-OF-LINEARIZED-DNA
DEPHOSPHORYLATION OF LINEARIZED DNAALKALINE PHOSPATASE(CIP) DIGESTIONDigestion of protruding 5'-ends1. Precipitate digested DNA and resuspend in a
Generating-stable-cell-lines-in-HEK293
Generating stable cell lines in HEK293Prior to transfection, it is recommended that you linearize your pcDNA gene construct. Linearizing will decrease
Generating-stable-cell-lines-in-HEK293
Generating stable cell lines in HEK293Prior to transfection, it is recommended that you linearize your pcDNA gene construct. Linearizing will decrease
CIP-Treatment
set up the following reaction:CIP RxnH2O7.8 ml10x cip rxn buffer2.0 mlDNA(e.g; 3 kb vector; 0.2 mg/ml; 2 mg total)10.0 ml(1 u/ml) CIP0.2 mltotal20.0 m
cDNA-Libraries
cDNA LibrariesIsolation of corresponding genetic informationInstead of synthesizing a desired gene, can we used the amino acid information to directly
RACE(rapidamplification-of-cDNA-ends)技術1
RACE技術的簡介cDNA完整序列的獲得對基因結構、蛋白質表達、基因功能的研究至關重要。完整的cDNA 序列可以通過文庫的篩選和末端克隆技術獲得。末端克隆技術是20世紀80年代發展起來的。RACE(rapid-amplification of cDNA ends)是通過PCR進行cDNA末端快速克隆
RACE(rapidamplification-of-cDNA-ends)技術2
具體的實驗步驟cDNA第一條鏈的合成:我們建議進行cDNA合成的對照反應,這樣可以對樣品的 cDNA的合成進行鑒定。加入各種試劑之后,在氣浴中42度保溫一個小時。注意: 在水浴或酒精浴中保溫回減少反應體積,從而降低第一鏈的合成效率。將管放于冰上,以終止第一鏈的合成反應。直接進行第二鏈的合成。cDNA
Selfcircularization-of-Linear-DNA
In a microcentrifuge tube prepare a solution of linear DNA (25-50ng) in deionized water or TE buffer (10-35μl).Add:10X ligation buffer?5μl,50% PEG 400
與II型核酸內切酶有關的幾個概念
粘性末端:cohesive ends是指DNA分子在限制酶的作用之下形成的具有互補堿基的單鏈延伸末端結構,它們能夠通過互補堿基間的配對而重新環化起來。平 末 端 :Blunt end在識別序列對稱處同時切開DNA分子兩條鏈,產生的平齊末端結構。則不易于重新環化。同裂酶:isoschizomers 能
Cloning-of-small-RNAs-with-5’-phosphate-and-3’-OH-ends2
3’ Adaptor Ligation and PurificationHeat shock the RNA by putting at 90°C for 30 seconds. Snap cool on ice.Set up the 3’Adaptor ligation reaction in a
Cloning-of-small-RNAs-with-5’-phosphate-and-3’-OH-ends3
Load your precipitated PCR samples into 2 consecutive lanes so as not to overload the lanes. For each different sample, I would run a separate ladder
Cloning-of-small-RNAs-with-5’-phosphate-and-3’-OH-ends01
IntroductionThe following protocol describes a procedure for the purification and cloning of miRNAs and other small RNAs in the? 20-30 nucleotide size
PCR
PCRPolymerase Chain Reaction1) Add the following to a microfuge tube:10 ul reaction buffer1 ul 15 uM forward primer1 ul 15 uM reverse primer1 ul templ
酶切反應注意事項
一、 建立一個標準的酶切反應目前大多數研究者遵循一條規則,即10個單位的內切酶可以切割1μg不同來源和純度的DNA。通常,一個50μl的反應體系中,1μl的酶在1X NEBuffer終濃度及相應溫度條件下反應1小時即可降解1μg已純化好的DNA。如果加入更多的酶,則可相應縮短反應時間;如果減少酶的用
DNA標記
DNA標記(主要內容如下)??DNA Labeling by Nick Translation??Random Primed Labeling??End-Labeling??Purification of Labeled DNA??Non-isotopic Labeling??OthersDNA L
PCR的下游應用
·?????????Agarose Gel Electrophoresis of PCR Products?(Robert H. Cruickshank)·?????????Agarose Gel Electrophoresis of PCR Products?(Immunology Resourc
酶切反應的建議
酶切反應建議一、?建立一個標準的酶切反應目前大多數研究者遵循一條規則,即10個單位的內切酶可以切割1μg不同來源和純度的DNA。通常,一個50μl的反應體系中,1μl的酶在1X NEBuffer終濃度及相應溫度條件下反應1小時即可降解1μg已純化好的DNA。如果加入更多的酶,則可相應縮短反應時間;如
PCR的下游應用
??????????Agarose Gel Electrophoresis of?PCR?Products(Robert H. Cruickshank)??????????Agarose Gel Electrophoresis of PCR Products(Immunology Resource)
重組DNA的分離、克隆與測序實驗手冊5
C. Random fragment end-repair, size selection, and phosphorylationSince both sonicated and nebulized DNA fragments usually contain single-stranded end
Observation-of-living-and-plasticembedded-chick-embryos
The development of chick embryos has been studied since Aristotle. It is one of the most intensely studied organisms. One reason for this is that ther
Polymerase-Chain-Reaction-(PCR)-cont.
Polymerase Chain Reaction (PCR) cont.Choice of Polymerases for PCROne of the important advances which allowed development of PCR was the availability