Application of bacterial magnetic particles for highly selective mRNA recovery system

Koji Sode, Satoko Kudo, Toshifumi Sakaguchi, Noriyuki Nakamura, Tadashi Matsunaga

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

A novel mRNA detection system was developed using DNA immobilized on bacterial magnetic particles isolated from the magnetic bacterium Magnetospirillum sp. AMB-1 (Matsunaga et al., 1991). Immobilization of oligonucleotides was carried out using N-succinimidyl 3-(2-pyridyldithio) propionate (SPDP). As a model system, we have attempted to detect bonito growth hormone mRNA from the bonito pituitary gland. Oligonucleotides corresponding to the 5'end of bonito GH mRNA was covalently immobilized onto bacterial magnetic particles. The particles were then incubated in the pituitary gland lysate, and recovered by Sm-Co magnet, followed by washing. cDNA synthesis was carried out using reverse transcriptase from mRNA recovered using a bacterial magnetic particles. The cDNA synthesized was analyzed by PCR. As a result, a unique band of bonito GH gene was detected. Furthermore, using recombinant Escherichia coli containing cloned bonito GH cDNA under downstream of lac promoter, the transcriptional level of cloned bGH gene was analyzed.

Original languageEnglish
Pages (from-to)688-694
Number of pages7
JournalBiotechnology Techniques
Volume7
Issue number9
DOIs
Publication statusPublished - 1993 Sep
Externally publishedYes

Fingerprint

Recovery
Messenger RNA
Complementary DNA
Oligonucleotides
Pituitary Gland
Magnetospirillum
Genes
Immobilized Nucleic Acids
Magnets
RNA-Directed DNA Polymerase
Hormones
Washing
Immobilization
Escherichia coli
Growth Hormone
Bacteria
DNA
Polymerase Chain Reaction
N-succinimidyl 3-(2-pyridyldithio)propionate

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Biochemistry

Cite this

Application of bacterial magnetic particles for highly selective mRNA recovery system. / Sode, Koji; Kudo, Satoko; Sakaguchi, Toshifumi; Nakamura, Noriyuki; Matsunaga, Tadashi.

In: Biotechnology Techniques, Vol. 7, No. 9, 09.1993, p. 688-694.

Research output: Contribution to journalArticle

Sode, K, Kudo, S, Sakaguchi, T, Nakamura, N & Matsunaga, T 1993, 'Application of bacterial magnetic particles for highly selective mRNA recovery system', Biotechnology Techniques, vol. 7, no. 9, pp. 688-694. https://doi.org/10.1007/BF00151871
Sode, Koji ; Kudo, Satoko ; Sakaguchi, Toshifumi ; Nakamura, Noriyuki ; Matsunaga, Tadashi. / Application of bacterial magnetic particles for highly selective mRNA recovery system. In: Biotechnology Techniques. 1993 ; Vol. 7, No. 9. pp. 688-694.
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