P1-derived artificial chromosome - definizione. Che cos'è P1-derived artificial chromosome
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Cosa (chi) è P1-derived artificial chromosome - definizione


P1-derived artificial chromosome         
IN GENOMIC RESEARCH
A P1-derived artificial chromosome, or PAC, is a DNA construct derived from the DNA of P1 bacteriophages and Bacterial artificial chromosome. It can carry large amounts (about 100–300 kilobases) of other sequences for a variety of bioengineering purposes in bacteria.
Yeast artificial chromosome         
  • <nowiki>Schematic of the pBR322 plasmid generated in the Boyer Lab at UC San Francisco by Bolivar and Rodriguez in 1972. It is one of the first and most widely utilized vectors, and the foundation for the YACs created by Murray and Szostak in 1983 The plasmid contains ampicillin and tetracycline resistance genes, and a suite of restriction enzyme target sites for inserting DNA fragments. </nowiki>
GENETICALLY ENGINEERED CHROMOSOME DERIVED FROM THE DNA OF YEAST
Yeast Artificial Chromosome; Chromosomes, artificial, yeast; Yeast artificial chromosomes
Yeast artificial chromosomes (YACs) are genetically engineered chromosomes derived from the DNA of the yeast, Saccharomyces cerevisiae, which is then ligated into a bacterial plasmid. By inserting large fragments of DNA, from 100–1000 kb, the inserted sequences can be cloned and physically mapped using a process called chromosome walking.
Human artificial chromosome         
A human artificial chromosome (HAC) is a microchromosome that can act as a new chromosome in a population of human cells. That is, instead of 46 chromosomes, the cell could have 47 with the 47th being very small, roughly 6–10megabases (Mb) in size instead of 50–250Mb for natural chromosomes, and able to carry new genes introduced by human researchers.