Difference in Structure of the Gene Encoding H+-ATPase between Streptococcus bovis and Ruminococcus albus
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- MIWA Takehiro
- Department of Agriculture, Meiji University
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- UMEMORI Juzoh
- Department of Agriculture, Meiji University
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- NAGAMINE Takafumi
- STAFF-Institute
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- OGATA Koretsugu
- STAFF-Institute
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- TAKENAKA Akio
- National Institute of Animal Industry
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- HINO Tsuneo
- Department of Agriculture, Meiji University
書誌事項
- タイトル別名
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- Difference in Structure of the Gene Encoding H<sup>+</sup>-ATPase between Streptococcus bovis and Ruminococcus albus
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The full sequences of the genes encoding H+-ATPase of Streptococcus bovis and Ruminococcus albus were determined by the inverse PCR. The atp operon of S. bovis was approximately 6.5kbp and consisted of atp E (c-subunit), B (a), F (b), H (δ), A (α), G (γ), D (β), and C (ε) in this order. The subunit order of atp E and B was reversed in S. bovis, when compared to the arrangement in R. albus and many other bacteria. In R. albus, two open reading frames (ORF), which potentially encode 13.7 and 14.9kDa proteins, were found in the area upstream of atp B. This area corresponds to the region of atp I (inhibitor protein) in Escherichia coli. There was no ORF that potentially encodes atp I in S. bovis. The δ-subunit signature found in many bacteria was not present in S. bovis, whereas the γ-subunit signature was not found in R. albus. The absence of the γ-subunit signature may partly explain that the H+-ATPase of R. albus is less stable and active than that of S. bovis, since this motif sequence is considered to be important for catalytic activity and the assembly of subunits. There were many differences between S. bovis and R. albus in deduced amino acid sequences of both structural and regulatory regions, but it is difficult to explain at present how the differences affect the function of H+-ATPase, or the regulation of the synthesis of the enzyme.
収録刊行物
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- 日本畜産学会報
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日本畜産学会報 70 (5), 290-296, 1999
公益社団法人 日本畜産学会
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詳細情報 詳細情報について
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- CRID
- 1390001205196503424
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- NII論文ID
- 130000742867
- 10020392663
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- NII書誌ID
- AN00195188
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- ISSN
- 18808255
- 00215309
- 1346907X
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- NDL書誌ID
- 4858910
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可