Methods of nucleic acid amplification and sequencing
Methods for amplification and sequencing of at least one nucleic acid comprising the following steps: (1) forming at least one nucleic acid template comprising the nucleic acid(s) to be amplified or sequenced, wherein said nucleic acid(s) contains at the 5′ end an oligonucleotide sequence Y and at the 3′ end an oligonucleotide sequence Z and, in addition, the nucleic acid(s) carry at the 5′ end a means for attaching the nucleic acid(s) to a solid support; (2) mixing said nucleic acid template(s) with one or more colony primers X, which can hybridize to the oligonucleotide sequence Z and carries at the 5′ end a means for attaching the colony primers to a solid support, in the presence of a solid support so that the 5′ ends of both the nucleic acid template and the colony primers bind to the solid support; (3) performing one or more nucleic acid amplification reactions on the bound template(s), so that nucleic acid colonies are generated and optionally, performing at least one step of sequence determination of one or more of the nucleic acid colonies generated. Solid supports, kits and apparatus for use in these methods.
1. A method for parallel amplification of a collection of single nucleic acid molecules having different sequences comprising:
a) providing a vessel comprising the collection of single nucleic acid molecules,
b) treating the single nucleic acid molecules in the vessel by attaching a known, common sequence at the 5′ and 3′ ends of each nucleic acid molecule of the collection, thereby generating a collection of treated nucleic acid molecules wherein each of the collection of treated nucleic acid molecules contains a different sequence and the known, common sequence at its 5′ and 3′ ends,
c) separating the collection of treated nucleic molecules such that individual molecules from the collection of treated nucleic acid molecules are separated from each other, and
d) performing a single amplification reaction in the presence of forward colony primers and reverse colony primers complementary to and/or identical to the known common sequence, wherein at least one of the colony primers is immobilized on a solid support, thereby simultaneously amplifying the different sequence of each of the treated nucleic acid molecules separated in step c) under conditions such that a plurality of nucleic acid colonies is formed on the solid support and the collection of single nucleic acid molecules having different sequences is amplified.
2. The method according to claim 1 , wherein said forward colony primers and said reverse colony primers are immobilised on a solid support.
3. The method according to claim 1 , wherein said solid support is a bead or microparticle.
4. The method according to claim 1 , wherein said solid support is a planar surface.
5. A method for parallel amplification of a collection of single nucleic acid molecules having different sequences comprising:
a) treating the collection of nucleic acid molecules thereby generating a collection of treated nucleic acid molecules wherein each of the collection of treated nucleic acid molecules contains a different sequence and a known, common sequence at its 5′ and 3′ ends,
b) immobilizing the treated nucleic acid molecules on a solid support, thereby separating the collection of treated nucleic acid molecules such that individual treated nucleic acid molecules from the collection of treated nucleic acid molecules are separated from each other, and
c) performing an amplification reaction in the presence of forward colony primers and reverse colony primers complementary to and/or identical to the known common sequence, wherein at least one of the colony primers is immobilized directly to the solid support, thereby simultaneously amplifying the different sequence of each of the treated nucleic acid molecules separated in step b) under conditions such that a plurality of nucleic acid colonies is formed on the solid support and the collection of single nucleic acid molecules having different sequences is amplified.
6. The method according to claim 5 , wherein said forward colony primers and said reverse colony primers are immobilised on a solid support.
7. The method according to claim 5 , wherein said solid support is a bead or microparticle.
8. The method according to claim 5 , wherein said solid support is a planar surface.
9. A method for parallel amplification of a collection of single nucleic acid molecules having different sequences comprising:
a) treating the collection of nucleic acid molecules thereby generating a collection of treated nucleic acid molecules wherein each of the collection of treated nucleic acid molecules contains a different sequence and a known, common sequence at its 5′ and 3′ ends,
b) immobilizing the treated nucleic acid molecules on a solid support, the solid support comprising a lawn of immobilized colony primers comprising forward colony primers and/or reverse colony primers, the colony primers being complementary to and/or identical to the known common sequence, thereby separating the collection of treated nucleic acid molecules such that individual treated nucleic acid molecules from the collection of treated nucleic acid molecules are immobilized at intervals within the lawn of immobilized colony primers, and
c) performing an amplification reaction in the presence of the forward colony primers and/or the reverse colony primers thereby simultaneously amplifying the different sequence of each of the treated nucleic acid molecules separated in step b) under conditions such that a plurality of nucleic acid colonies is formed on the solid support and the collection of single nucleic acid molecules having different sequences is amplified.
10. The method of claim 9 , wherein the lawn of immobilized colony primers comprises forward colony primers and reverse colony primers.
11. The method of claim 9 , further comprising an additional step of performing at least one step of sequence determination of nucleic acids in one or more of the nucleic acid colonies.
12. The method of claim 9 , wherein the density of the nucleic acid colonies on the solid support is 10,000/mm 2 to 100,000/mm 2 .