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Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides
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| Zeitschriftentitel: | Biochemical Journal |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Biochemical Journal, 117, 1970, 3, S. 609-613 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Portland Press Ltd.
|
| Schlagwörter: |
| author_facet |
Marriott, J. Neuberger, A. Tait, G. H. Marriott, J. Neuberger, A. Tait, G. H. |
|---|---|
| author |
Marriott, J. Neuberger, A. Tait, G. H. |
| spellingShingle |
Marriott, J. Neuberger, A. Tait, G. H. Biochemical Journal Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides General Medicine |
| author_sort |
marriott, j. |
| spelling |
Marriott, J. Neuberger, A. Tait, G. H. 0306-3283 Portland Press Ltd. General Medicine http://dx.doi.org/10.1042/bj1170609 <jats:p>1. The spontaneous activation of δ-aminolaevulate synthetase in extracts from Rhodopseudomonas spheroides grown semi-anaerobically in the light requires oxygen and does not take place anaerobically in the dark. 2. Activation is completely prevented by azide or cyanide and is partially inhibited by chlorpromazine. These compounds inhibit markedly the succinoxidase activity of extracts. 3. NADH delays activation, but when it has been oxidized by the extract activation begins at the normal rate and complete activation occurs. By contrast both the rate and the extent of activation are markedly decreased by even small amounts of carboxylic acids. 4. The inhibitory effects of succinate and citrate on activation can be prevented by malonate and fluorocitrate respectively. 5. These results suggest that for activation to occur some endogenous compound has to be oxidized via the electron transport chain. 6. Activation occurs under anaerobic conditions in the light, probably by photo-oxidation.</jats:p> Activation of δ-aminolaevulate synthetase in extracts of <i>Rhodopseudomonas spheroides</i> Biochemical Journal |
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Portland Press Ltd., 1970 |
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Portland Press Ltd., 1970 |
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0306-3283 |
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1970 |
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Portland Press Ltd. |
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Biochemical Journal |
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49 |
| title |
Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides |
| title_unstemmed |
Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides |
| title_full |
Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides |
| title_fullStr |
Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides |
| title_full_unstemmed |
Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides |
| title_short |
Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides |
| title_sort |
activation of δ-aminolaevulate synthetase in extracts of <i>rhodopseudomonas spheroides</i> |
| topic |
General Medicine |
| url |
http://dx.doi.org/10.1042/bj1170609 |
| publishDate |
1970 |
| physical |
609-613 |
| description |
<jats:p>1. The spontaneous activation of δ-aminolaevulate synthetase in extracts from Rhodopseudomonas spheroides grown semi-anaerobically in the light requires oxygen and does not take place anaerobically in the dark. 2. Activation is completely prevented by azide or cyanide and is partially inhibited by chlorpromazine. These compounds inhibit markedly the succinoxidase activity of extracts. 3. NADH delays activation, but when it has been oxidized by the extract activation begins at the normal rate and complete activation occurs. By contrast both the rate and the extent of activation are markedly decreased by even small amounts of carboxylic acids. 4. The inhibitory effects of succinate and citrate on activation can be prevented by malonate and fluorocitrate respectively. 5. These results suggest that for activation to occur some endogenous compound has to be oxidized via the electron transport chain. 6. Activation occurs under anaerobic conditions in the light, probably by photo-oxidation.</jats:p> |
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| author | Marriott, J., Neuberger, A., Tait, G. H. |
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| description | <jats:p>1. The spontaneous activation of δ-aminolaevulate synthetase in extracts from Rhodopseudomonas spheroides grown semi-anaerobically in the light requires oxygen and does not take place anaerobically in the dark. 2. Activation is completely prevented by azide or cyanide and is partially inhibited by chlorpromazine. These compounds inhibit markedly the succinoxidase activity of extracts. 3. NADH delays activation, but when it has been oxidized by the extract activation begins at the normal rate and complete activation occurs. By contrast both the rate and the extent of activation are markedly decreased by even small amounts of carboxylic acids. 4. The inhibitory effects of succinate and citrate on activation can be prevented by malonate and fluorocitrate respectively. 5. These results suggest that for activation to occur some endogenous compound has to be oxidized via the electron transport chain. 6. Activation occurs under anaerobic conditions in the light, probably by photo-oxidation.</jats:p> |
| doi_str_mv | 10.1042/bj1170609 |
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| imprint | Portland Press Ltd., 1970 |
| imprint_str_mv | Portland Press Ltd., 1970 |
| institution | DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3 |
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| physical | 609-613 |
| publishDate | 1970 |
| publishDateSort | 1970 |
| publisher | Portland Press Ltd. |
| record_format | ai |
| recordtype | ai |
| series | Biochemical Journal |
| source_id | 49 |
| spelling | Marriott, J. Neuberger, A. Tait, G. H. 0306-3283 Portland Press Ltd. General Medicine http://dx.doi.org/10.1042/bj1170609 <jats:p>1. The spontaneous activation of δ-aminolaevulate synthetase in extracts from Rhodopseudomonas spheroides grown semi-anaerobically in the light requires oxygen and does not take place anaerobically in the dark. 2. Activation is completely prevented by azide or cyanide and is partially inhibited by chlorpromazine. These compounds inhibit markedly the succinoxidase activity of extracts. 3. NADH delays activation, but when it has been oxidized by the extract activation begins at the normal rate and complete activation occurs. By contrast both the rate and the extent of activation are markedly decreased by even small amounts of carboxylic acids. 4. The inhibitory effects of succinate and citrate on activation can be prevented by malonate and fluorocitrate respectively. 5. These results suggest that for activation to occur some endogenous compound has to be oxidized via the electron transport chain. 6. Activation occurs under anaerobic conditions in the light, probably by photo-oxidation.</jats:p> Activation of δ-aminolaevulate synthetase in extracts of <i>Rhodopseudomonas spheroides</i> Biochemical Journal |
| spellingShingle | Marriott, J., Neuberger, A., Tait, G. H., Biochemical Journal, Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides, General Medicine |
| title | Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides |
| title_full | Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides |
| title_fullStr | Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides |
| title_full_unstemmed | Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides |
| title_short | Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides |
| title_sort | activation of δ-aminolaevulate synthetase in extracts of <i>rhodopseudomonas spheroides</i> |
| title_unstemmed | Activation of δ-aminolaevulate synthetase in extracts of Rhodopseudomonas spheroides |
| topic | General Medicine |
| url | http://dx.doi.org/10.1042/bj1170609 |