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Fish Pathology
Article
Data sources: UnpayWall
Fish Pathology
Article . 2006 . Peer-reviewed
Data sources: Crossref
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A Possible Mechanism of Quinolone Resistance in Vibrio anguillarum

Authors: Okuda, Jun; Kanamaru, Shunsuke; Yuasa, Akihiko; Nakaoka, Noriyoshi; Kawakami, Hidemasa; Nakai, Toshihiro;

A Possible Mechanism of Quinolone Resistance in Vibrio anguillarum

Abstract

To study a possible quinolone resistance mechanism in Vibrio anguillarum, we examined gyrA and parC mutations among the oxolinic acid-resistant strains and laboratory-derived mutants. One point mutation only in the quinolone resistance-determining region (QRDR) of the gyrA gene was detected in one strain isolated from ayu Plecoglossus altivelis and laboratory-derived mutants with low-level resistance. On the other hand, point mutations in both the gyrA and parC QRDRs were detected in one strain isolated from ayu and a laboratory-derived mutant with high-level resistance. These results suggest that as in other Gram-negative bacteria GyrA and ParC are the primary and secondary targets, respectively, of quinolone in V. anguillarum.

Vibrio anguillarum のキノロン耐性機構を解明するために, DNAジャイレース遺伝子 (gyrA ) およびトポイソメラーゼIV遺伝子 (parC ) のキノロン耐性決定領域 (QRDR) 内の変異を解析した。低度耐性株ではgyrA のQRDRにのみ1塩基置換が検出された。一方, 高度耐性株ではgyrA とparC の両方のQRDRに1塩基置換が検出された。他菌種におけるキノロン耐性と同様, V. anguillarum においてもgyrA がまず変異することで低度耐性化し, 次にparC にも変異が入ることで高度耐性化すると考えられる。

Country
Japan
Keywords

570, <i>parC</i>, 480, gyrA, 600, quinolone resistance, parC, <i>gyrA</i>, oxolinic acid, Vibrio anguillarum, <i>Vibrio anguillarum</i>

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
bronze