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Gene. 1992 Oct 12;120(1):89-92.

Derivation of a mathematical expression useful for the construction of complete genomic libraries.

Author information

1
Department of Microbiology, University of British Columbia, Vancouver, Canada.

Abstract

We present and derive a formula that is useful for the design and evaluation of gene cloning experiments in which a complete gene library of the entire genome of an organism is desired. The formula n = ln(1-phi f)/ln(1-f) (in which n is the number of recombinant clones required to ensure a probability, phi, of obtaining at least one of each of all possible gene sequences, and f is the fraction of the genome contained in an average-sized DNA fragment) applies to construction of libraries, in which at least one copy of all the genetic information of a genome is required. The use of this formula for quantitative evaluation of genomic libraries should give greater assurance that a given library would be complete.

PMID:
1398128
DOI:
10.1016/0378-1119(92)90013-f
[Indexed for MEDLINE]

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