answersLogoWhite

0

TA Cloning is one of the most popular methods of cloning the amplified PCR product using Taq and other polymerases. These polymerases lack 5'-3' proofreading activity and are capable of adding adenosine triphosphate residue to the 3' ends of the double stranded PCR product. Such PCR amplified product can be cloned in a linearized vector with complementary 3' T overhangs.

TA cloning is brought about by the terminal transferase activity of certain type of DNA polymerase such as the Taq polymerase. This enzyme adds a single, 3'-A overhang to each end of the PCR product. As a result, the PCR product can be directly cloned into a linearized cloning vector that have single base 3'-T overhangs on each end. Such vectors are called T- vectors. The PCR product with A overhang, is mixed with this vector in high proportion. The complementary overhangs of a "T" vector and the PCR product hybridize. The result is a recombinant DNA, the recombination being brought about by DNA ligase.

User Avatar

Wiki User

14y ago

What else can I help you with?

Continue Learning about Natural Sciences

The host organism into which a cloning vector is placed is called?

The host organism into which a cloning vector is placed is called a "host cell." This host cell provides the necessary cellular machinery for replicating the cloning vector and expressing the inserted DNA.


Is a cloning vector a plasmid?

plasmid is the type of the cloning vector. other cloning vectors includes cosmids, bacteriophage, phagemids, artifiical chromosomes. clonong vectors are the carriers of certain traits to be inserted in non coding regions of the DNA.


What is the insert capacity of a cosmid vector in DNA cloning?

The insert capacity of a cosmid vector is about 35-45 kb.


What is a cloning vector?

A cloning vector is a DNA molecule used to transfer foreign genetic material into a host organism during gene cloning. It typically contains features such as selectable markers and multiple cloning sites to facilitate the insertion of DNA fragments. Common cloning vectors include plasmids, bacteriophages, and artificial chromosomes.


How can you know donored-vector is cloning vector or expression vector?

To determine if a plasmid is a donor vector or an expression vector, you typically look at the features present in the plasmid. Donor vectors are usually used for cloning purposes and contain features like antibiotic resistance genes and cloning sites. Expression vectors, on the other hand, typically have additional elements like promoters, selection markers, and tags for protein expression. Analyzing the sequence and reading the vector map can also provide insight into its intended use.

Related Questions

What is the cloning capacity of pBR322 vector?

The cloning capacity of pBR322 vector is 1-5kb.


Is mcs a cloning vector?

MCS (Multiple Cloning Site) is not a cloning vector itself, but rather a region within a vector that contains multiple restriction sites for inserting DNA fragments during the cloning process. Common vectors that contain an MCS include plasmids and phage vectors.


Which cloning vector was first discovered?

pBR322 was the first cloning vector to be discovered in 1977. It was instrumental in the development of modern genetic engineering techniques.


The host organism into which a cloning vector is placed is called?

The host organism into which a cloning vector is placed is called a "host cell." This host cell provides the necessary cellular machinery for replicating the cloning vector and expressing the inserted DNA.


Is a cloning vector a plasmid?

plasmid is the type of the cloning vector. other cloning vectors includes cosmids, bacteriophage, phagemids, artifiical chromosomes. clonong vectors are the carriers of certain traits to be inserted in non coding regions of the DNA.


Why is cloning an example of cloning?

Gene Cloning is used to clone a gene of interest in a vector called plasmid. The chimeric DNA or rDNA formed by cloning is stable and can be used to propagate and sequence the DNA. producing vector containing inulin gene is an example.


Is a plasmid a cloning vector?

Yes, a plasmid can be used as a cloning vector. Plasmids are small, circular DNA molecules that can replicate independently in a host cell. They can carry foreign DNA fragments and be used to introduce these fragments into host cells for gene cloning and expression.


What is the insert capacity of a cosmid vector in DNA cloning?

The insert capacity of a cosmid vector is about 35-45 kb.


What a good cloning vector should have?

A good cloning vector should have features such as a selectable marker, multiple cloning sites, origin of replication, and the ability to carry large DNA inserts. Additionally, it should be easy to manipulate and purify.


Does a cloning vector contain promoter region?

Yes, a cloning vector can contain a promoter region. A promoter is a DNA sequence that initiates transcription of a particular gene, so cloning vectors can include a promoter to drive the expression of the inserted gene in the host organism.


What is a cloning vector?

A cloning vector is a DNA molecule used to transfer foreign genetic material into a host organism during gene cloning. It typically contains features such as selectable markers and multiple cloning sites to facilitate the insertion of DNA fragments. Common cloning vectors include plasmids, bacteriophages, and artificial chromosomes.


How can you know donored-vector is cloning vector or expression vector?

To determine if a plasmid is a donor vector or an expression vector, you typically look at the features present in the plasmid. Donor vectors are usually used for cloning purposes and contain features like antibiotic resistance genes and cloning sites. Expression vectors, on the other hand, typically have additional elements like promoters, selection markers, and tags for protein expression. Analyzing the sequence and reading the vector map can also provide insight into its intended use.