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l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels
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| Zeitschriftentitel: | Microbiology |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | Microbiology, 149, 2003, 8, S. 2023-2030 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Microbiology Society
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| Schlagwörter: |
| author_facet |
Nagata, Kumiko Nagata, Yoko Sato, Tadashi Fujino, Masayuki A. Nakajima, Kazuhiko Tamura, Toshihide Nagata, Kumiko Nagata, Yoko Sato, Tadashi Fujino, Masayuki A. Nakajima, Kazuhiko Tamura, Toshihide |
|---|---|
| author |
Nagata, Kumiko Nagata, Yoko Sato, Tadashi Fujino, Masayuki A. Nakajima, Kazuhiko Tamura, Toshihide |
| spellingShingle |
Nagata, Kumiko Nagata, Yoko Sato, Tadashi Fujino, Masayuki A. Nakajima, Kazuhiko Tamura, Toshihide Microbiology l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels Microbiology |
| author_sort |
nagata, kumiko |
| spelling |
Nagata, Kumiko Nagata, Yoko Sato, Tadashi Fujino, Masayuki A. Nakajima, Kazuhiko Tamura, Toshihide 1350-0872 1465-2080 Microbiology Society Microbiology http://dx.doi.org/10.1099/mic.0.26203-0 <jats:p><jats:italic>Helicobacter pylori</jats:italic>whole cells showed high rates of oxygen uptake with<jats:sc>l</jats:sc>-serine and<jats:sc>l</jats:sc>-proline as respiratory substrates, and somewhat lower rates with<jats:sc>d</jats:sc>-alanine and<jats:sc>d</jats:sc>-proline. These respiratory activities were inhibited by rotenone and antimycin A at low concentrations. Since pyruvate was produced from<jats:sc>l</jats:sc>-serine and<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-alanine in whole cells, the respiratory activities with these amino acids as substrates occurred via pyruvate. Whole cells showed 2,6-dichlorophenolindophenol (DCIP)-reducing activities with<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-proline and<jats:sc>d</jats:sc>-alanine as substrates, suggesting that hydrogen removed from these amino acids also participated in oxygen uptake by the whole cells. High amounts of<jats:sc>l</jats:sc>-proline,<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-alanine, and<jats:sc>l</jats:sc>-serine were present in<jats:italic>H. pylori</jats:italic>cells, and these amino acids also predominated in samples of human gastric juice.<jats:italic>H. pylori</jats:italic>seems to utilize<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-proline,<jats:sc>d</jats:sc>-alanine and<jats:sc>l</jats:sc>-serine as important energy sources in its habitat of the mucous layer of the stomach.</jats:p> l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels Microbiology |
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10.1099/mic.0.26203-0 |
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Online Free |
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Biologie |
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Microbiology Society, 2003 |
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Microbiology Society, 2003 |
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1350-0872 1465-2080 |
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1350-0872 1465-2080 |
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| title |
l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| title_unstemmed |
l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| title_full |
l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| title_fullStr |
l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| title_full_unstemmed |
l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| title_short |
l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| title_sort |
l-serine, d- and l-proline and alanine as respiratory substrates of helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| topic |
Microbiology |
| url |
http://dx.doi.org/10.1099/mic.0.26203-0 |
| publishDate |
2003 |
| physical |
2023-2030 |
| description |
<jats:p><jats:italic>Helicobacter pylori</jats:italic>whole cells showed high rates of oxygen uptake with<jats:sc>l</jats:sc>-serine and<jats:sc>l</jats:sc>-proline as respiratory substrates, and somewhat lower rates with<jats:sc>d</jats:sc>-alanine and<jats:sc>d</jats:sc>-proline. These respiratory activities were inhibited by rotenone and antimycin A at low concentrations. Since pyruvate was produced from<jats:sc>l</jats:sc>-serine and<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-alanine in whole cells, the respiratory activities with these amino acids as substrates occurred via pyruvate. Whole cells showed 2,6-dichlorophenolindophenol (DCIP)-reducing activities with<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-proline and<jats:sc>d</jats:sc>-alanine as substrates, suggesting that hydrogen removed from these amino acids also participated in oxygen uptake by the whole cells. High amounts of<jats:sc>l</jats:sc>-proline,<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-alanine, and<jats:sc>l</jats:sc>-serine were present in<jats:italic>H. pylori</jats:italic>cells, and these amino acids also predominated in samples of human gastric juice.<jats:italic>H. pylori</jats:italic>seems to utilize<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-proline,<jats:sc>d</jats:sc>-alanine and<jats:sc>l</jats:sc>-serine as important energy sources in its habitat of the mucous layer of the stomach.</jats:p> |
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| author | Nagata, Kumiko, Nagata, Yoko, Sato, Tadashi, Fujino, Masayuki A., Nakajima, Kazuhiko, Tamura, Toshihide |
| author_facet | Nagata, Kumiko, Nagata, Yoko, Sato, Tadashi, Fujino, Masayuki A., Nakajima, Kazuhiko, Tamura, Toshihide, Nagata, Kumiko, Nagata, Yoko, Sato, Tadashi, Fujino, Masayuki A., Nakajima, Kazuhiko, Tamura, Toshihide |
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| description | <jats:p><jats:italic>Helicobacter pylori</jats:italic>whole cells showed high rates of oxygen uptake with<jats:sc>l</jats:sc>-serine and<jats:sc>l</jats:sc>-proline as respiratory substrates, and somewhat lower rates with<jats:sc>d</jats:sc>-alanine and<jats:sc>d</jats:sc>-proline. These respiratory activities were inhibited by rotenone and antimycin A at low concentrations. Since pyruvate was produced from<jats:sc>l</jats:sc>-serine and<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-alanine in whole cells, the respiratory activities with these amino acids as substrates occurred via pyruvate. Whole cells showed 2,6-dichlorophenolindophenol (DCIP)-reducing activities with<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-proline and<jats:sc>d</jats:sc>-alanine as substrates, suggesting that hydrogen removed from these amino acids also participated in oxygen uptake by the whole cells. High amounts of<jats:sc>l</jats:sc>-proline,<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-alanine, and<jats:sc>l</jats:sc>-serine were present in<jats:italic>H. pylori</jats:italic>cells, and these amino acids also predominated in samples of human gastric juice.<jats:italic>H. pylori</jats:italic>seems to utilize<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-proline,<jats:sc>d</jats:sc>-alanine and<jats:sc>l</jats:sc>-serine as important energy sources in its habitat of the mucous layer of the stomach.</jats:p> |
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| institution | DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Zi4, DE-Gla1, DE-15, DE-Pl11, DE-Rs1, DE-14, DE-105 |
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| spelling | Nagata, Kumiko Nagata, Yoko Sato, Tadashi Fujino, Masayuki A. Nakajima, Kazuhiko Tamura, Toshihide 1350-0872 1465-2080 Microbiology Society Microbiology http://dx.doi.org/10.1099/mic.0.26203-0 <jats:p><jats:italic>Helicobacter pylori</jats:italic>whole cells showed high rates of oxygen uptake with<jats:sc>l</jats:sc>-serine and<jats:sc>l</jats:sc>-proline as respiratory substrates, and somewhat lower rates with<jats:sc>d</jats:sc>-alanine and<jats:sc>d</jats:sc>-proline. These respiratory activities were inhibited by rotenone and antimycin A at low concentrations. Since pyruvate was produced from<jats:sc>l</jats:sc>-serine and<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-alanine in whole cells, the respiratory activities with these amino acids as substrates occurred via pyruvate. Whole cells showed 2,6-dichlorophenolindophenol (DCIP)-reducing activities with<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-proline and<jats:sc>d</jats:sc>-alanine as substrates, suggesting that hydrogen removed from these amino acids also participated in oxygen uptake by the whole cells. High amounts of<jats:sc>l</jats:sc>-proline,<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-alanine, and<jats:sc>l</jats:sc>-serine were present in<jats:italic>H. pylori</jats:italic>cells, and these amino acids also predominated in samples of human gastric juice.<jats:italic>H. pylori</jats:italic>seems to utilize<jats:sc>d</jats:sc>- and<jats:sc>l</jats:sc>-proline,<jats:sc>d</jats:sc>-alanine and<jats:sc>l</jats:sc>-serine as important energy sources in its habitat of the mucous layer of the stomach.</jats:p> l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels Microbiology |
| spellingShingle | Nagata, Kumiko, Nagata, Yoko, Sato, Tadashi, Fujino, Masayuki A., Nakajima, Kazuhiko, Tamura, Toshihide, Microbiology, l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels, Microbiology |
| title | l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| title_full | l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| title_fullStr | l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| title_full_unstemmed | l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| title_short | l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| title_sort | l-serine, d- and l-proline and alanine as respiratory substrates of helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| title_unstemmed | l-Serine, d- and l-proline and alanine as respiratory substrates of Helicobacter pylori: correlation between in vitro and in vivo amino acid levels |
| topic | Microbiology |
| url | http://dx.doi.org/10.1099/mic.0.26203-0 |