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PCR01:32

PCR

Overview
PCR - Polymerase Chain Reaction01:32

PCR - Polymerase Chain Reaction

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DNA Isolation01:24

DNA Isolation

DNA isolation protocols can be fast and straightforward or complex and time-consuming depending on the type and quality of DNA required for further processing. For example, plasmid DNA extraction is a bit more complicated than genomic DNA extraction because of the need for an appropriate lysis method to separate plasmid DNA from gDNA during isolation. However, for specific applications, such as long-range DNA sequencing that require a good yield of high- quality DNA samples, we need to follow...

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Related Experiment Video

Updated: May 7, 2026

A Seamless Cloning Approach for Porcine Reproductive and Respiratory Syndrome Virus Expression Vector Construction
04:18

A Seamless Cloning Approach for Porcine Reproductive and Respiratory Syndrome Virus Expression Vector Construction

Published on: May 17, 2024

pPCV, a versatile vector for cloning PCR products.

Christiane R Janner1, Ana Lívia P Brito, Lidia Maria P Moraes

  • 1Centro de Biotecnologia Molecular, Departamento de Biologia Celular, Universidade de Brasília, Brasília, DF, 70910-900 Brazil.

Springerplus
|September 24, 2013
PubMed
Summary

This study introduces pPCV, a novel cloning vector efficiently cloning both blunt-ended and A-overhang PCR products. This simplifies molecular cloning workflows for researchers.

Keywords:
Molecular cloningPlasmidPolymerase chain reaction

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Area of Science:

  • Molecular Biology
  • Recombinant DNA Technology

Background:

  • PCR amplicon cloning efficiency is limited by DNA polymerase type, resulting in blunt-ends or 3' adenosine overhangs.
  • Existing commercial vectors are specialized for either blunt-end or T-overhang ligation, necessitating separate cloning strategies.

Purpose of the Study:

  • To develop a single, versatile cloning vector capable of efficiently cloning both blunt-ended and 3' adenosine (A-overhang) PCR products.
  • To streamline molecular cloning procedures by eliminating the need for vector selection based on amplicon end type.

Main Methods:

  • Design of a minimal polylinker incorporating restriction sites for EcoRV (blunt-end cloning) and XcmI (A-overhang cloning).
  • Integration of blue/white screening for transformant selection.
  • Ligation and transformation of PCR amplicons with distinct end types into the novel vector.

Main Results:

  • The developed vector, designated pPCV, successfully facilitated direct cloning of both blunt-ended and A-overhang PCR amplicons.
  • High cloning efficiency was observed for both types of amplicons using the pPCV vector.
  • The vector maintained blue/white screening capability, aiding in the identification of successful recombinants.

Conclusions:

  • The pPCV vector offers a significant advancement in molecular cloning by accommodating diverse PCR product end types within a single system.
  • This unified approach enhances the efficiency and convenience of cloning PCR-generated DNA fragments.
  • The pPCV vector is a valuable tool for molecular biology research, simplifying downstream applications requiring PCR product insertion.