IP Library › Granted Patent US 12,428,686
Granted Patent B2
US 12,428,686 · App. 16/613,532 · Granted Sep 30, 2025

Set of random primers and method for preparing DNA library using the same

Inventors: Hiroyuki Enoki (Hamamatsu, JP); Yoshie Takeuchi (Hamamatsu, JP); Minoru Inamori (Kariya, JP)
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
C12Q1/6895C12N15/1093C12Q1/6806
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Quick Facts
Patent No.
US 12,428,686
App. No.
16/613,532
Granted
Sep 30, 2025
Kind
B2
Abstract

When preparing a DNA library via a nucleic acid amplification reaction using a random primer in a convenient and highly reproducible manner, amplification of DNA fragments derived from the chloroplast genome is reduced to a significant extent. A random primer comprises oligonucleotides selected from oligonucleotides group represented by TAAGAGACAGNN excluding those in which 2 bases at the 3′ terminus are TG and oligonucleotides group represented by TAAGAGACAGNNN excluding those in which 3 bases at the 3′ terminus are TGC.

Claims (19)

1. A method for preparing a DNA library, said method comprising: conducting a nucleic acid amplification reaction in a reaction solution, wherein said reaction solution contains genomic DNA from a plant or algae, and further contains a single primer set that amplifies DNA fragments using said genomic DNA as a template in the nucleic acid amplification reaction, wherein

(a) said single primer set consists of at least one primer selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2065-2079; or

(b) said single primer set consists of at least one primer selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2080-2142, and

wherein a concentration of said single primer set in said reaction solution is between 4 micromolar (μM) and 100 μM.

2. The method according to claim 1 , wherein when said reaction solution contains said single primer set that consists of at least one primer selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2065-2079, said reaction solution contains one of:

(i) a primer consisting of nucleic acid sequence SEQ ID NO: 2079 in combination with at least one primer selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2065-2078;

(ii) a primer consisting of nucleic acid sequence SEQ ID NO: 2077 in combination with at least one primer selected from the group consisting of nucleic acid sequences SEQ ID NOS: 2065-2076 and 2078-2079;

(iii) a primer consisting of nucleic acid sequence SEQ ID NO: 2066 in combination with at least one primer selected from the group consisting of nucleic acid sequences SEQ ID NOS: 2065 and 2067-2079; or

(iv) a primer consisting of nucleic acid sequence SEQ ID NO: 2074 in combination with at least one primer selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2065-2073 and 2075-2079.

3. The method according to claim 1 , wherein when said reaction solution contains said single primer set that consists of at least one primer selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2080-2142, said reaction solution contains one of:

(i) a primer consisting of nucleic acid sequence SEQ ID NO: 2120 in combination with at least one primer selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2080-2119 and 2121-2142;

(ii) a primer consisting of nucleic acid sequence SEQ ID NO: 2122 in combination with at least one primer selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2080-2121 and 2123-2142;

(iii) a primer consisting of nucleic acid sequence SEQ ID NO: 2126 in combination with at least one primer selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2080-2125 and 2127-2142;

(iv) a primer consisting of nucleic acid sequence SEQ ID NO: 2124 in combination with at least one primer selected from the group consisting of nucleic acid sequences SEQ ID NOS: 2080-2123 and 2125-2142;

(v) a primer consisting of nucleic acid sequence SEQ IN NO: 2092 in combination with at least one primer selected from the group consisting of nucleic acid sequences SEQ IN NOs: 2080-2091 and 2093-2142; or

(vi) a primer consisting of nucleic acid sequence SEQ ID NO: 2100 in combination with at least one primer selected from the group consisting of nucleic acid sequences SEQ IN NOs: 2080-2099 and 2101-2142.

4. The method according to claim 1 , wherein: (a) said single primer set consists of at least 5 different primers selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2065-2079; or wherein (b) said single primer set consists of at least 5 different primers selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2080-2142.

5. The method according to claim 1 , wherein: (a) said single primer set consists of at least 10 different primers selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2065-2079;

or wherein (b) said single primer set consists of at least 10 different primers selected from the group consisting of nucleic acid sequences SEQ ID NOs: 2080-2142.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 14, 2019
From: ENOKI, HIROYUKI; TAKEUCHI, YOSHIE; INAMORI, MINORU
To: TOYOTA JIDOSHA KABUSHIKI KAISHA
Reel/Frame 051011/0251 →
Priority Claims (1)
JP 2017-099408 · May 19, 2017 · national
Continuity (1)
Related Publication 20200071776A1 · Mar 5, 2020
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