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Open AccessJournal ArticleDOI

Genetic Applications of an Inverse Polymerase Chain Reaction

Howard Ochman, +2 more
- 01 Nov 1988 - 
- Vol. 120, Iss: 3, pp 621-623
TLDR
The feasibility of IPCR is shown by amplifying the sequences that flank an IS1 element in the genome of a natural isolate of Escherichia coli.
Abstract
A method is presented for the rapid in vitro amplification of DNA sequences that flank a region of known sequence. The method uses the polymerase chain reaction (PCR), but it has the primers oriented in the reverse direction of the usual orientation. The template for the reverse primers is a restriction fragment that has been ligated upon itself to form a circle. This procedure of inverse PCR (IPCR) has many applications in molecular genetics, for example, the amplification and identification of sequences flanking transposable elements. In this paper we show the feasibility of IPCR by amplifying the sequences that flank an IS1 element in the genome of a natural isolate of Escherichia coli.

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Journal ArticleDOI

Mutations in paramecium calmodulin indicate functional differences between the C-terminal and N-terminal lobes in vivo.

TL;DR: Results suggest that the two lobes of calmodulin may be used differentially for the activation of different Ca2(+)-dependent channels and may indicate that the sites defined by these mutations are important in membrane excitation but not in other biological functions.
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Peptide Deformylase in Staphylococcus aureus: Resistance to Inhibition Is Mediated by Mutations in the Formyltransferase Gene

TL;DR: In this paper, two deformylase homologs, defA and defB, were identified in Staphylococcus aureus and cloned from chromosomal DNA by PCR.
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Selective amplification of cDNA sequence from total RNA by cassette-ligation mediated polymerase chain reaction (PCR): Application to sequencing 6·5 kb genome segment of hantavirus strain B-1

TL;DR: CDNA walking and sequencing by the cassette-ligation mediated PCR is successfully applied to the sequencing of an entire 6.5 kb genome segment of hantavirus strain B-1, thereby increasing the speed of sequencing and minimizing the overall cost.
Journal ArticleDOI

Functional characterization of beta-ketoacyl-CoA synthase genes from Brassica napus L.

TL;DR: The Bn-FAE1.1 gene from Askari showed seed-specific expression in transgenic rapeseed plants and over-expression of the coding region of the Askari gene in developing seeds of transgenic Drakkar plants resulted in a significant increase in the levels of eicosenoic acid and erucic acid esterified in the seed oil.
Journal ArticleDOI

Cancer-specific chromosome alterations in the constitutive fragile region FRA3B

TL;DR: It is found that aphidicolin-induced breakpoint clusters fall close to high-flexibility sequences, suggesting that these sequences contribute directly to aphidIColin- induced fragility.
References
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Journal ArticleDOI

Primer-directed enzymatic amplification of DNA with a thermostable DNA polymerase

TL;DR: A thermostable DNA polymerase was used in an in vitro DNA amplification procedure, the polymerase chain reaction, which significantly improves the specificity, yield, sensitivity, and length of products that can be amplified.
Journal ArticleDOI

Enzymatic amplification of beta-globin genomic sequences and restriction site analysis for diagnosis of sickle cell anemia.

TL;DR: Two new methods were used to establish a rapid and highly sensitive prenatal diagnostic test for sickle cell anemia, using primer-mediated enzymatic amplification of specific beta-globin target sequences in genomic DNA, resulting in the exponential increase of target DNA copies.
Book ChapterDOI

Specific synthesis of DNA in vitro via a polymerase-catalyzed chain reaction.

TL;DR: A method whereby a nucleic acid sequence can be exponentially amplified in vitro is described in the chapter, and the possibility of utilizing a heat-stable DNA polymerase is explored so as to avoid the need for addition of new enzyme after each cycle of thermal denaturation.
Journal ArticleDOI

Direct cloning and sequence analysis of enzymatically amplified genomic sequences

TL;DR: A method is described for directly cloning enzymatically amplified segments of genomic DNA into an M13 vector for sequence analysis and promises to be a rapid method for obtaining reliable genomic sequences from nanogram amounts of DNA.
Journal ArticleDOI

DNA typing from single hairs

TL;DR: Three different means of DNA typing are used for the determination of amplified DNA fragment length differences, hybridization with allele-specific oligonucleotide probes, and direct DNA sequencing on single human hairs to detect genetically variable mitochondrial and nuclear DNA sequences.
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