New restriction endonucleases fromAcetobacter acetiandBacillus aneurinolyticus
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چکیده
منابع مشابه
Two new restriction endonucleases from Proteus vulgaris.
Two novel sequence-specific endonucleases have been isolated from Proteus vulgaris, ATCC 13315. PvuI recognizes the sequence: 5' C G A T decrease C G 3' 3' G C increase T A G C 5' and PvuII recognizes the sequence: 5' C A G decrease C T G 3' 3' G T C increase G A C 5' and cleave as indicated by the arrow (decrease). PvuI is an isoschizomer of XorII, RshI, and XniI. No enzyme with the specificit...
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Introduction Some 3.5 years ago the study of heredity took a chemical turn when Avery and his colleagues discovered that deoxyribonucleic acid-DNA-is the " transforming principle " that converts bacteria from one genotype to another. Watson and Crick's structural model of DNA then provided the basis for investigating its role as the hereditary material. There followed rapid advances in the bioc...
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The endonucleases from the Type IIB restriction-modification systems differ from all other restriction enzymes. The Type IIB enzymes cleave both DNA strands at specified locations distant from their recognition sequences, like Type IIS nucleases, but they are unique in that they do so on both sides of the site, to liberate the site from the remainder of the DNA on a short duplex. The fact that ...
متن کاملMassively parallel characterization of restriction endonucleases
Restriction endonucleases are highly specific in recognizing the particular DNA sequence they act on. However, their activity is affected by sequence context, enzyme concentration and buffer composition. Changes in these factors may lead to either ineffective cleavage at the cognate restriction site or relaxed specificity allowing cleavage of degenerate 'star' sites. Additionally, uncharacteriz...
متن کاملVirion-associated restriction endonucleases of chloroviruses.
Chloroviruses are large, double-stranded-DNA, plaque-forming viruses that infect certain eukaryotic chlorella-like green algae. The prototype of the genus is Paramecium bursaria chlorella virus 1 (PBCV-1). Chlorovirus genomes contain various amounts of methylated nucleotides due to virus-encoded DNA methyltransferases (MTases); about 25% of the MTases are associated with companion DNA site-spec...
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ژورنال
عنوان ژورنال: Nucleic Acids Research
سال: 1982
ISSN: 0305-1048,1362-4962
DOI: 10.1093/nar/10.19.5747