| pubmed-article:6111419 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:6111419 | lifeskim:mentions | umls-concept:C0035820 | lld:lifeskim |
| pubmed-article:6111419 | lifeskim:mentions | umls-concept:C0024660 | lld:lifeskim |
| pubmed-article:6111419 | lifeskim:mentions | umls-concept:C0027950 | lld:lifeskim |
| pubmed-article:6111419 | lifeskim:mentions | umls-concept:C0035696 | lld:lifeskim |
| pubmed-article:6111419 | lifeskim:mentions | umls-concept:C1519249 | lld:lifeskim |
| pubmed-article:6111419 | pubmed:issue | 1 | lld:pubmed |
| pubmed-article:6111419 | pubmed:dateCreated | 1981-6-13 | lld:pubmed |
| pubmed-article:6111419 | pubmed:abstractText | The poly(A) sequence is added to 3' termini of nuclear RNA segments destined to become part of the mRNA, and may play an essential role in the selection of these segments. It appears to be required for at least some of the splicing events involved in mRNA processing. In the cytoplasm, the poly(A) segment is the target of a degradation process which causes its gradual shortening, and leads to a heterogeneous steady-state poly(A)-size distribution. Complete loss of the poly(A) is probably followed by inactivation of the mRNA, since chains depleted of poly(A) do not accumulate in the cells. A role for this sequence in the promotion of mRNA stability is suggested by the behavior of globin mRNA depleted of poly(A) after injection into frog oocytes. The poly(A) shortening process may be part of the mRNA inactivation mechanism, as indicated by the greater sensitivity to degradation of the poly(A) of some short-lived mRNAs. However, the stochastic mRNA decay implies that new and old mRNA chains, with long and short poly(A) segments, respectively are equally susceptible to inactivation. The poly(A)-lacking histone mRNAs are stable only in cells engaged in DNA replication. Present knowledge favors a role for poly(A) in the control of mRNA stability. Loss of this sequence could be controlled through modulation of poly(A)-protein interactions or through masking of a sequence directly adjacent to the poly(A). In the nucleus, the poly(A) sequence could also serve as stabilizing agent, but, in addition, it might interact with the splicing machinery. | lld:pubmed |
| pubmed-article:6111419 | pubmed:language | eng | lld:pubmed |
| pubmed-article:6111419 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:6111419 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:6111419 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:6111419 | pubmed:issn | 0045-6411 | lld:pubmed |
| pubmed-article:6111419 | pubmed:author | pubmed-author:BrawermanGG | lld:pubmed |
| pubmed-article:6111419 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:6111419 | pubmed:volume | 10 | lld:pubmed |
| pubmed-article:6111419 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:6111419 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:6111419 | pubmed:pagination | 1-38 | lld:pubmed |
| pubmed-article:6111419 | pubmed:dateRevised | 2006-11-15 | lld:pubmed |
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| pubmed-article:6111419 | pubmed:year | 1981 | lld:pubmed |
| pubmed-article:6111419 | pubmed:articleTitle | The Role of the poly(A) sequence in mammalian messenger RNA. | lld:pubmed |
| pubmed-article:6111419 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:6111419 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:6111419 | pubmed:publicationType | Research Support, U.S. Gov't, Non-P.H.S. | lld:pubmed |
| pubmed-article:6111419 | pubmed:publicationType | Review | lld:pubmed |
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