Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid
Patent
1994-12-19
1997-12-09
Chambers, Jasemine C.
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving nucleic acid
536 243, C12Q 168, C07H 2104
Patent
active
056959346
ABSTRACT:
The invention provides a method and materials for sorting polynucleotides with oligonucleotide tags. Oligonucleotide tags of the invention are capable of hybridizing to complementary oligomeric compounds consisting of subunits having enhanced binding strength and specificity as compared to natural oligonucleotides. Such complementary oligomeric compounds are referred to herein as "tag complements." Subunits of tag complements may consist of monomers of non-natural nucleotide analogs, referred to herein as "antisense monomers" or they may comprise oligomers having lengths in the range of 3 to 6 nucleotides or analogs thereof, including antisense monomers, the oligomers being selected from a minimally cross-hybridizing set. In such a set, a duplex made up of an oligomer of the set and the complement of any other oligomer of the set contains at least two mismatches. Preferred antisense monomers include peptide nucleic acid monomers and nucleoside phosphoramidates having a 3'-NHP(O)(O--)O-5' linkage with its adjacent nucleoside. An important aspect of the invention is the use of the oligonucleotide tags for sorting polynucleotides by specifically hybridizing tags attached to the polynucleotides to their complements on solid phase supports. This embodiment provides a readily automated system for manipulating and sorting polynucleotides, particularly useful in large-scale parallel operations, such as large-scale DNA sequencing, mRNA fingerprinting, or the like, wherein many target polynucleotides or many segments of a single target polynucleotide are sequenced simultaneously.
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Chambers Jasemine C.
Lynx Therapeutics, Inc.
Macevicz Stephen
Priebe Scott D.
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