Cloning of the shark Po promoter using a genomic walking technique based on the polymerase chain reaction

We have cloned the putative shark promoter of protein zero (Po) using a novel application of the ligation mediated single-sided polymerase chain reaction (PCR) method. This method uses linker ligation and subsequent amplifications with a linker primer and multiple specific primers to generate specif...

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Bibliographic Details
Published in:Nucleic acids research 1990-05, Vol.18 (9), p.2793-2799
Main Authors: FORS, L, SAAVEDRA, R. A, HOOD, L
Format: Article
Language:English
Subjects:
analytical techniques
Animals
Base Sequence
Biological and medical sciences
Biotechnology
clones
Cloning, Molecular
DNA Probes
Fundamental and applied biological sciences. Psychology
Genetic engineering
Genetic technics
genetics
genomes
Heterodontus francisci
Marine
Methods. Procedures. Technologies
Molecular cloning
Molecular Sequence Data
Polymerase Chain Reaction
Promoter Regions, Genetic
Sharks - genetics
Templates, Genetic
Transcription, Genetic
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Description
Summary:We have cloned the putative shark promoter of protein zero (Po) using a novel application of the ligation mediated single-sided polymerase chain reaction (PCR) method. This method uses linker ligation and subsequent amplifications with a linker primer and multiple specific primers to generate specificity. The method allowed us to amplify approximately 305 base pairs of shark genomic DNA sequence immediately upstream from the 5' end of our full-length Po cDNA. The Po promoter was shown to be directly linked to its first exon, contain a transcription initiation start site and sequences commonly found in eukaryotic promoters. This genomic walking technique will be useful for cloning promoters, insertion sites, and other sequences of interest without the need for constructing and screening genomic libraries.
ISSN:0305-1048
1362-4962
DOI:10.1093/nar/18.9.2793