| pubmed-article:1939156 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:1939156 | lifeskim:mentions | umls-concept:C0007634 | lld:lifeskim |
| pubmed-article:1939156 | lifeskim:mentions | umls-concept:C0035567 | lld:lifeskim |
| pubmed-article:1939156 | lifeskim:mentions | umls-concept:C0002245 | lld:lifeskim |
| pubmed-article:1939156 | lifeskim:mentions | umls-concept:C0311400 | lld:lifeskim |
| pubmed-article:1939156 | lifeskim:mentions | umls-concept:C0017262 | lld:lifeskim |
| pubmed-article:1939156 | lifeskim:mentions | umls-concept:C0598494 | lld:lifeskim |
| pubmed-article:1939156 | pubmed:issue | 31 | lld:pubmed |
| pubmed-article:1939156 | pubmed:dateCreated | 1991-12-13 | lld:pubmed |
| pubmed-article:1939156 | pubmed:abstractText | We present evidence to show that the alpha-amylase gene family in rice is under two different modes of regulation: 1) hormonal regulation in germinating seeds, and 2) metabolic repression in cultured cells by available carbohydrate nutrients. Expression of alpha-amylase genes in deembryoed rice seeds is known to be induced by exogenous gibberellic acid. On the other hand, expression of alpha-amylase genes in suspension-cultured cells is induced by the deprivation of carbohydrate nutrient. A lag period of 2-4 h is required for the induction of alpha-amylase mRNA in sucrose-depleted medium. The induction of alpha-amylase expression is extraordinarily high and levels of alpha-amylase mRNA can be increased 8-20-folds after 24 h of sucrose starvation. The synthesis and secretion of alpha-amylase is also dependent upon the level of carbon source. The derepression or repression of alpha-amylase synthesis can be readily reversed by the deprivation or replenishment of sucrose in the medium, respectively. Glucose and fructose exert a repression on the alpha-amylase synthesis similar to that of sucrose. A hypothesis that explains the induction of alpha-amylase synthesis by carbohydrate starvation is proposed. Our data have suggested a hitherto undiscovered, potentially important control mechanism of carbohydrate metabolism in higher plants. | lld:pubmed |
| pubmed-article:1939156 | pubmed:language | eng | lld:pubmed |
| pubmed-article:1939156 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:1939156 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:1939156 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:1939156 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:1939156 | pubmed:month | Nov | lld:pubmed |
| pubmed-article:1939156 | pubmed:issn | 0021-9258 | lld:pubmed |
| pubmed-article:1939156 | pubmed:author | pubmed-author:KuoY HYH | lld:pubmed |
| pubmed-article:1939156 | pubmed:author | pubmed-author:LiuL FLF | lld:pubmed |
| pubmed-article:1939156 | pubmed:author | pubmed-author:YiS YSY | lld:pubmed |
| pubmed-article:1939156 | pubmed:author | pubmed-author:SheuY JYJ | lld:pubmed |
| pubmed-article:1939156 | pubmed:author | pubmed-author:SheuGG | lld:pubmed |
| pubmed-article:1939156 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:1939156 | pubmed:day | 5 | lld:pubmed |
| pubmed-article:1939156 | pubmed:volume | 266 | lld:pubmed |
| pubmed-article:1939156 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:1939156 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:1939156 | pubmed:pagination | 21131-7 | lld:pubmed |
| pubmed-article:1939156 | pubmed:dateRevised | 2008-11-21 | lld:pubmed |
| pubmed-article:1939156 | pubmed:meshHeading | pubmed-meshheading:1939156-... | lld:pubmed |
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| pubmed-article:1939156 | pubmed:meshHeading | pubmed-meshheading:1939156-... | lld:pubmed |
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| pubmed-article:1939156 | pubmed:meshHeading | pubmed-meshheading:1939156-... | lld:pubmed |
| pubmed-article:1939156 | pubmed:meshHeading | pubmed-meshheading:1939156-... | lld:pubmed |
| pubmed-article:1939156 | pubmed:year | 1991 | lld:pubmed |
| pubmed-article:1939156 | pubmed:articleTitle | Metabolic derepression of alpha-amylase gene expression in suspension-cultured cells of rice. | lld:pubmed |
| pubmed-article:1939156 | pubmed:affiliation | Institute of Molecular Biology, Academia Sinica, Taipei, Taiwan, Republic of China. | lld:pubmed |
| pubmed-article:1939156 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:1939156 | pubmed:publicationType | In Vitro | lld:pubmed |
| pubmed-article:1939156 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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