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Probing of unusual DNA structures in topologically constrained form V DNA: use of restriction enzymes as structural probe [PDF]
Nucleic Acids Research, 1990 The ability of DNA sequences to adopt unusual structures under the superhelical torsional stress has been studied. Sequences that are forced to adopt unusual conformation in topologically constrained pBR322 form V DNA (Lk=0) were mapped using restriction
Yogesh S Shouche, Samir K Brahmachari
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1987
The discovery of restriction and modification enzymes, which proved to be a major turning point in the progress of molecular biology, was a consequence of a bacteriological observation in the early 1950s (Luria and Human, 1952; Bertani and Weigle, 1953).
Alan D. B. Malcolm, Georges Snounou
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The discovery of restriction and modification enzymes, which proved to be a major turning point in the progress of molecular biology, was a consequence of a bacteriological observation in the early 1950s (Luria and Human, 1952; Bertani and Weigle, 1953).
Alan D. B. Malcolm, Georges Snounou
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A nomenclature for restriction enzymes, DNA methyltransferases, homing endonucleases and their genes [PDF]
Nucleic Acids Research, 2003 A nomenclature is described for restriction endonucleases, DNA methyltransferases, homing endonucleases and related genes and gene products. It provides explicit categories for the many different Type II enzymes now identified and provides a system for naming the putative genes found by sequence analysis of microbial genomes.
Barry Stoddard +2 more
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Restriction enzyme cleavage of ultraviolet-damaged DNA
Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression, 1982SV40 and pBR322 DNAs damaged by ultraviolet light were cleaved abnormally by several restriction enzymes because of damage to pyrimidines in the recognition sequences. The use of a tandemly duplicated plasmid provided a particularly sensitive target molecule for detecting pyrimidine dimers and other possible photoproducts.
J E, Cleaver, L, Samson, G H, Thomas
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DNA Restriction Enzyme from E. coli
Nature, 1968An endonuclease which degrades foreign DNA has been isolated. The enzyme requires S-adenosylmethionine, ATP and Mg++.
M, Meselson, R, Yuan
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Recognition of DNA by Type II Restriction Enzymes
1989Publisher Summary This chapter discusses the recognition of DNA by type II restriction enzymes. A restriction/modification (R/M) system must possess two enzyme activities, the restriction endonuclease and the modification methylase, both of which are dependent on the recognition of the same DNA sequence.
S P, Bennett, S E, Halford
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On the structure and operation of type I DNA restriction enzymes
Journal of Molecular Biology, 1999Type I DNA restriction enzymes are large, molecular machines possessing DNA methyltransferase, ATPase, DNA translocase and endonuclease activities. The ATPase, DNA translocase and endonuclease activities are specified by the restriction (R) subunit of the enzyme.
David T F Dryden, Noreen E Murray
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EMBO Journal, 2007 EcoP15I is a type III restriction enzyme that requires two recognition sites in a defined orientation separated by up to 3.5 kbp to efficiently cleave DNA.
David T F Dryden +2 more
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Restriction Enzyme-Mediated DNA Family Shuffling
2014DNA shuffling is an established recombinatorial method that was originally developed to increase the speed of directed evolution experiments beyond what could be accomplished using error-prone PCR alone. To achieve this, mutated copies of a protein-coding sequence are fragmented with DNase I and the fragments are then reassembled in a PCR without ...
Behrendorff, James B.Y.H. +2 more
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Restriction enzyme analysis of human leukemic mitochondrial DNA
Leukemia Research, 1980Abstract Mitochondrial DNA from both normal human tissue and leukemic human leukocytes (AML and CML) were analyzed by restriction-enzyme digestion, polyacrylamide gradient gel electrophoresis and ethidium bromide staining. Both normal and leukemic human mitochondrial DNA show molecular heterogeneity from individual to individual.
A.M. Gianni, R. Dalla Favera, E. Polli
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