Construction and Screening of Genomic and cDNA Libraries, Related Genes Genome, Genomic DNA, Specific Metabolically, Tissue Organism, Thousands Clones

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Chimeric DNA Molecular Probes and Gene Libraries Chimeric DNA Molecular Probes and Gene Libraries Introduction Restriction Enzymes for Cloning Technique of Restriction Mapping Restriction Clevage and Gel Electrophoresis Construction of a Restriction Map Use of Partial Digests end Labelling and Hybridization in Restriction Mapping Construction of Chimeric DNA Cloning of Plasmid Vectors Directional Cloning of DNA Fragments with Heterologus Protruding Termini Adding Poly dA at 3' Ends of DNA Clone Blunt End Ligation by T4 DNA Ligase Cloning in Phage λ and Cosmid Vectors Cloning in phage λ Vectors Cloning in Cosmid Vectors Hosts for Cloning Vectors Bacteria as Hosts Eukaryotes as Hosts Molecular Probes Preparation of Probes Genomic DNA Probes

Home >> Biotechnology and Genomics >> Chimeric DNA Molecular Probes and Gene Libraries >> Construction and Screening of Genomic and cDNA Libraries

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Construction and Screening of Genomic and cDNA Libraries

In order to isolate one or more related genes from a genome, we like to prepare a mixture of clones each carrying DNA derived either from the genomic DNA or from cDNA (derived from mRNA isolated from a specific metabolically active tissue of an organism).

This mixture may contain thousands of clones, which when derived directly from the genomic DNA are collectively called a genomic library. Similarly when these clones are derived from cDNA, they are collectively called a cDNA library. Construction and use of these libraries will be discussed in this section.

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c DNA Probes Synthetic Oligonucleotides as Probes RNA Probes or Riboprobes Labelling of Probes Radiolablled Probes Non Radioactive Probes Biotin Labelled Probes Digoxigenin Labelled Probes Alternatives to Biotin and Digoxigenin Labelling Amplification of DNA Probe Signals Techniques Used in Molecular Probing Southern Nothern and Western Blotting Southern Blotting Northern Blotting Western Blotting Dot Blots and Slot Blots Applications of Molecular Probes Construction and Screening of Genomic and cDNA Libraries Genomic Library by Shotgun Experiment cDNA Library from mRNAs Colony or Plaque Hybridization for Screening of Libraries Chromosome Walking and Characterization of Chromosome Segments Chromosome Jumping or Hopping Libraries BAC Libraries and Assembly of BACs into Contigs