| pubmed-article:1372 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:1372 | lifeskim:mentions | umls-concept:C0086247 | lld:lifeskim |
| pubmed-article:1372 | lifeskim:mentions | umls-concept:C0041249 | lld:lifeskim |
| pubmed-article:1372 | lifeskim:mentions | umls-concept:C0441889 | lld:lifeskim |
| pubmed-article:1372 | lifeskim:mentions | umls-concept:C1157156 | lld:lifeskim |
| pubmed-article:1372 | lifeskim:mentions | umls-concept:C0205463 | lld:lifeskim |
| pubmed-article:1372 | lifeskim:mentions | umls-concept:C0205263 | lld:lifeskim |
| pubmed-article:1372 | lifeskim:mentions | umls-concept:C2603343 | lld:lifeskim |
| pubmed-article:1372 | pubmed:issue | 1 | lld:pubmed |
| pubmed-article:1372 | pubmed:dateCreated | 1976-4-1 | lld:pubmed |
| pubmed-article:1372 | pubmed:abstractText | The enhancement of ergot alkaloid production by tryptophan and its analogues in both normal and high-phosphate cultures is more directly related to increased dimethylallyltryptophan (DMAT) synthetase activity rather than to a lack of regulation of the tryptophan biosynthetic enzymes. Thiotryptophan [beta-(1-benzo-thien-3-yl)-alanine] is rather ineffective in the end product regulation of tryptophan biosynthesis, whereas tryptophan and 5-methyltryptophan are potent effectors. The presence of increased levels of DMAT synthetase in ergot cultures supplemented with tryptophan or thiotryptophan, and to a lesser extent with 5-methyltryptophan, suggests that the induction effect involves de novo synthesis of the enzyme. Thiotryptophan and tryptophan but not 5-methyltryptophan can overcome the block of alkaloid synthesis by inorganic phosphate. The results with thiotryptophan indicate that the phosphate effect cannot be explained merely on the basis of a block of tryptophan synthesis. | lld:pubmed |
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| pubmed-article:1372 | pubmed:language | eng | lld:pubmed |
| pubmed-article:1372 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:1372 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:1372 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:1372 | pubmed:month | Jan | lld:pubmed |
| pubmed-article:1372 | pubmed:issn | 0021-9193 | lld:pubmed |
| pubmed-article:1372 | pubmed:author | pubmed-author:FlossH GHG | lld:pubmed |
| pubmed-article:1372 | pubmed:author | pubmed-author:RobbersJ EJE | lld:pubmed |
| pubmed-article:1372 | pubmed:author | pubmed-author:KrupinskiV... | lld:pubmed |
| pubmed-article:1372 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:1372 | pubmed:volume | 125 | lld:pubmed |
| pubmed-article:1372 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:1372 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:1372 | pubmed:pagination | 158-65 | lld:pubmed |
| pubmed-article:1372 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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| pubmed-article:1372 | pubmed:year | 1976 | lld:pubmed |
| pubmed-article:1372 | pubmed:articleTitle | Physiological study of ergot: induction of alkaloid synthesis by tryptophan at the enzymatic level. | lld:pubmed |
| pubmed-article:1372 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:1372 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
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