A rapid and simple transcriptional sequencing method for GC-rich DNA regions

Masaki Izawa, Nobuo Kitamura, Nanae Odake, Fuminori Maki, Kaoru Kanehira, Hideyuki Nemoto, Mitsuyo Yamaguchi, Atsushi Yamashita, Nobuya Sasaki, Masahira Hattori, Shinji Kanayama, Yuko Yoneda

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In genome sequencing project, we encounter the DNA regions that often contain stable secondary structure with high GC content. These regions are difficult to not only amplify by PCR for template preparations, but also determine the DNA sequences using standard Cycle sequencing (CS) method. Transcriptional sequencing (TS) is a unique DNA sequencing method using RNA polymerase, and is based on the principles of the chain-termination method, which is a powerful method to analyze GC-rich sequences. In this study, we examined the multiple displacement amplification (MDA) to overcome low efficiency of PCR amplification in GC-rich regions and subjected to TS reaction. Combination of MDA and TS (MDA-TS) was extremely successful with GC content ranging from 65% to 85%, which are difficult to analyze with PCR and CS. We also report plasmid vector, pTS1, which has the stronger T7 and T3 promoters than those of conventional vectors, and the sequence that decreases transcriptional efficiency was removed from its multiple cloning sites. pTS1 resulted in the improved sequencing accuracy and reduced reaction time up to 5 min. These results showed that MDA-TS is a rapid and accurate method for the analysis of GC-rich templates.

Original languageEnglish
Pages (from-to)159-168
Number of pages10
JournalJapanese Journal of Veterinary Research
Volume53
Issue number3-4
Publication statusPublished - 2006 Feb
Externally publishedYes

Fingerprint

GC Rich Sequence
DNA
Base Composition
Polymerase Chain Reaction
plasmid vectors
methodology
DNA-Directed RNA Polymerases
DNA-directed RNA polymerase
DNA Sequence Analysis
Organism Cloning
molecular cloning
Plasmids
sequence analysis
promoter regions
Genome
nucleotide sequences
genome

Keywords

  • DNA sequencing
  • Multiple displacement amplification
  • Transcriptional sequencing

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Izawa, M., Kitamura, N., Odake, N., Maki, F., Kanehira, K., Nemoto, H., ... Yoneda, Y. (2006). A rapid and simple transcriptional sequencing method for GC-rich DNA regions. Japanese Journal of Veterinary Research, 53(3-4), 159-168.

A rapid and simple transcriptional sequencing method for GC-rich DNA regions. / Izawa, Masaki; Kitamura, Nobuo; Odake, Nanae; Maki, Fuminori; Kanehira, Kaoru; Nemoto, Hideyuki; Yamaguchi, Mitsuyo; Yamashita, Atsushi; Sasaki, Nobuya; Hattori, Masahira; Kanayama, Shinji; Yoneda, Yuko.

In: Japanese Journal of Veterinary Research, Vol. 53, No. 3-4, 02.2006, p. 159-168.

Research output: Contribution to journalArticle

Izawa, M, Kitamura, N, Odake, N, Maki, F, Kanehira, K, Nemoto, H, Yamaguchi, M, Yamashita, A, Sasaki, N, Hattori, M, Kanayama, S & Yoneda, Y 2006, 'A rapid and simple transcriptional sequencing method for GC-rich DNA regions', Japanese Journal of Veterinary Research, vol. 53, no. 3-4, pp. 159-168.
Izawa M, Kitamura N, Odake N, Maki F, Kanehira K, Nemoto H et al. A rapid and simple transcriptional sequencing method for GC-rich DNA regions. Japanese Journal of Veterinary Research. 2006 Feb;53(3-4):159-168.
Izawa, Masaki ; Kitamura, Nobuo ; Odake, Nanae ; Maki, Fuminori ; Kanehira, Kaoru ; Nemoto, Hideyuki ; Yamaguchi, Mitsuyo ; Yamashita, Atsushi ; Sasaki, Nobuya ; Hattori, Masahira ; Kanayama, Shinji ; Yoneda, Yuko. / A rapid and simple transcriptional sequencing method for GC-rich DNA regions. In: Japanese Journal of Veterinary Research. 2006 ; Vol. 53, No. 3-4. pp. 159-168.
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