Vectors for cloning and modification of DNA fragments

Chemistry: molecular biology and microbiology – Treatment of micro-organisms or enzymes with electrical or... – Modification of viruses

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4353201, 536 231, 536 242, C12N 1500, C12N 1511

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058277048

ABSTRACT:
Plasmid vectors are provided which enable for the modification of double-stranded DNA which has blunt or one-base 3' overhanging termini, to include any desired four-base 5' overhang sequence, in the reading frame of choice. These vectors enable the cloning of blunt double-stranded DNA sequences or double-stranded DNA sequences having a one-base 3' overhang into a unique restriction site by blunt-end ligation or by one-base 3' overhang cohesive cloning such as T-cloning. The vectors may be amplified and subsequently excised, thereby producing modified fragments free of vector sequences.

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