A thiostrepton resistance gene and its mutants serve as selectable markers in Geobacillus kaustophilus HTA426

Keisuke Wada, Jyumpei Kobayashi, Megumi Furukawa, Katsumi Doi, Takashi Ohshiro, Hirokazu Suzuki

研究成果: ジャーナルへの寄稿記事

7 引用 (Scopus)

抄録

Effective utilization of microbes often requires complex genetic modification using multiple antibiotic resistance markers. Because a few markers have been used in Geobacillus spp., the present study was designed to identify a new marker for these thermophiles. We explored antibiotic resistance genes functional in Geobacillus kaustophilus HTA426 and identified a thiostrepton resistance gene (tsr) effective at 50 C. The tsr gene was further used to generate the mutant tsrH258Y functional at 55 C. Higher functional temperature of the mutant was attributable to the increase in thermostability of the gene product because recombinant protein produced from tsrH258Y was more thermostable than that from tsr. In fact, the tsrH258Y gene served as a selectable marker for plasmid transformation of G. kaustophilus. This new marker could facilitate complex genetic modification of G. kaustophilus and potentially other Geobacillus spp.

元の言語英語
ページ(範囲)368-375
ページ数8
ジャーナルBioscience, Biotechnology and Biochemistry
80
発行部数2
DOI
出版物ステータス出版済み - 1 1 2016

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Thiostrepton
Geobacillus
Genes
Microbial Drug Resistance
Anti-Bacterial Agents
Recombinant Proteins
Plasmids
Temperature

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

これを引用

A thiostrepton resistance gene and its mutants serve as selectable markers in Geobacillus kaustophilus HTA426. / Wada, Keisuke; Kobayashi, Jyumpei; Furukawa, Megumi; Doi, Katsumi; Ohshiro, Takashi; Suzuki, Hirokazu.

:: Bioscience, Biotechnology and Biochemistry, 巻 80, 番号 2, 01.01.2016, p. 368-375.

研究成果: ジャーナルへの寄稿記事

Wada, Keisuke ; Kobayashi, Jyumpei ; Furukawa, Megumi ; Doi, Katsumi ; Ohshiro, Takashi ; Suzuki, Hirokazu. / A thiostrepton resistance gene and its mutants serve as selectable markers in Geobacillus kaustophilus HTA426. :: Bioscience, Biotechnology and Biochemistry. 2016 ; 巻 80, 番号 2. pp. 368-375.
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AU - Ohshiro, Takashi

AU - Suzuki, Hirokazu

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