| pubmed-article:6972534 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:6972534 | lifeskim:mentions | umls-concept:C0034869 | lld:lifeskim |
| pubmed-article:6972534 | lifeskim:mentions | umls-concept:C0040704 | lld:lifeskim |
| pubmed-article:6972534 | lifeskim:mentions | umls-concept:C0687129 | lld:lifeskim |
| pubmed-article:6972534 | lifeskim:mentions | umls-concept:C0026845 | lld:lifeskim |
| pubmed-article:6972534 | lifeskim:mentions | umls-concept:C0392747 | lld:lifeskim |
| pubmed-article:6972534 | lifeskim:mentions | umls-concept:C0043309 | lld:lifeskim |
| pubmed-article:6972534 | lifeskim:mentions | umls-concept:C0599746 | lld:lifeskim |
| pubmed-article:6972534 | lifeskim:mentions | umls-concept:C0443254 | lld:lifeskim |
| pubmed-article:6972534 | lifeskim:mentions | umls-concept:C0439223 | lld:lifeskim |
| pubmed-article:6972534 | lifeskim:mentions | umls-concept:C1704412 | lld:lifeskim |
| pubmed-article:6972534 | lifeskim:mentions | umls-concept:C0443172 | lld:lifeskim |
| pubmed-article:6972534 | lifeskim:mentions | umls-concept:C0439831 | lld:lifeskim |
| pubmed-article:6972534 | pubmed:issue | 4 | lld:pubmed |
| pubmed-article:6972534 | pubmed:dateCreated | 1981-8-20 | lld:pubmed |
| pubmed-article:6972534 | pubmed:abstractText | Low-angle x-ray diffraction diagrams have been recorded from frog sartorius muscles by using synchrotron radiation as a high-intensity x-ray source. This has enabled changes in some of the principal reflections of interest to be followed with a time resolution of 1 ms, during small but very rapid length changes imposed on a contracting muscle. The 143-A meridional reflection, which is believed to arise from a repeating pattern of myosin cross-bridges along the length of the muscle, shows large changes in intensity in these circumstances. During both rapid releases and rapid stretches, by amounts that produce a translation of actin and myosin filaments past each other by about 100 A and that are completed in about a millisecond (i.e., before significant cross-bridge detachment would be expected), an almost synchronous decrease in 143-A intensity occurs, by 50% or more. This is followed, in the case of quick releases, by a rapid partial recovery of intensity lasting 5--6 ms (which may represent cross-bridge release and reattachment) and then by a more gradual return to the normal isometric value. Quick stretches show only the slower return of intensity. Immediately after the length change, the initial drop in 143-A intensity can be reversed if the release (or stretch) is reversed. These changes provide evidence of a more direct kind than has hitherto been available that the active sliding of actin filaments past myosin filaments during contraction is produced by longitudinal movement of attached cross-bridges. | lld:pubmed |
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| pubmed-article:6972534 | pubmed:language | eng | lld:pubmed |
| pubmed-article:6972534 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:6972534 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:6972534 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:6972534 | pubmed:month | Apr | lld:pubmed |
| pubmed-article:6972534 | pubmed:issn | 0027-8424 | lld:pubmed |
| pubmed-article:6972534 | pubmed:author | pubmed-author:KochM HMH | lld:pubmed |
| pubmed-article:6972534 | pubmed:author | pubmed-author:SimmonsR MRM | lld:pubmed |
| pubmed-article:6972534 | pubmed:author | pubmed-author:KressMM | lld:pubmed |
| pubmed-article:6972534 | pubmed:author | pubmed-author:BordasJJ | lld:pubmed |
| pubmed-article:6972534 | pubmed:author | pubmed-author:FaruqiA RAR | lld:pubmed |
| pubmed-article:6972534 | pubmed:author | pubmed-author:HuxleyH EHE | lld:pubmed |
| pubmed-article:6972534 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:6972534 | pubmed:volume | 78 | lld:pubmed |
| pubmed-article:6972534 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:6972534 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:6972534 | pubmed:pagination | 2297-301 | lld:pubmed |
| pubmed-article:6972534 | pubmed:dateRevised | 2009-11-19 | lld:pubmed |
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| pubmed-article:6972534 | pubmed:year | 1981 | lld:pubmed |
| pubmed-article:6972534 | pubmed:articleTitle | Millisecond time-resolved changes in x-ray reflections from contracting muscle during rapid mechanical transients, recorded using synchrotron radiation. | lld:pubmed |
| pubmed-article:6972534 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:6972534 | pubmed:publicationType | In Vitro | lld:pubmed |
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