New quinolone compounds from Pseudonocardia sp. with selective and potent anti-Helicobacter pylori activity:: Taxonomy of producing strain, fermentation, isolation, structural elucidation and biological activities
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作者:
Dekker, KA
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Dekker, KA
Inagaki, T
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Inagaki, T
Gootz, TD
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Gootz, TD
Huang, LH
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Huang, LH
Kojima, Y
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Kojima, Y
Kohlbrenner, WE
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Kohlbrenner, WE
Matsunaga, Y
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Matsunaga, Y
McGuirk, PR
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
McGuirk, PR
Nomura, E
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Nomura, E
Sakakibara, T
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Sakakibara, T
Sakemi, S
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Sakemi, S
Suzuki, Y
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Suzuki, Y
Yamauchi, Y
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Yamauchi, Y
Kojima, N
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机构:Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
Kojima, N
机构:
[1] Pfizer Pharmaceut Inc, Div Cent Res, Aichi 47023, Japan
[2] Pfizer Inc, Div Cent Res, Groton, CT 06340 USA
Eight novel quinolones with anti-Helicobacter pylori activity were isolated from the actinomycete Pseudonocardia sp. CL38489. The quinolones were very potent against H. pylori with MICs up to 0.1 ng/ml. The quinolones appear to be specific for H. pylori, since they did not show antimicrobial activity when tested against a panel of other microorganisms.