| pubmed-article:14512545 | rdf:type | pubmed:Citation | lld:pubmed |
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| pubmed-article:14512545 | lifeskim:mentions | umls-concept:C0007634 | lld:lifeskim |
| pubmed-article:14512545 | lifeskim:mentions | umls-concept:C0032583 | lld:lifeskim |
| pubmed-article:14512545 | lifeskim:mentions | umls-concept:C1511790 | lld:lifeskim |
| pubmed-article:14512545 | lifeskim:mentions | umls-concept:C1427622 | lld:lifeskim |
| pubmed-article:14512545 | lifeskim:mentions | umls-concept:C1514570 | lld:lifeskim |
| pubmed-article:14512545 | lifeskim:mentions | umls-concept:C1423524 | lld:lifeskim |
| pubmed-article:14512545 | lifeskim:mentions | umls-concept:C1514468 | lld:lifeskim |
| pubmed-article:14512545 | lifeskim:mentions | umls-concept:C0205360 | lld:lifeskim |
| pubmed-article:14512545 | lifeskim:mentions | umls-concept:C1533691 | lld:lifeskim |
| pubmed-article:14512545 | lifeskim:mentions | umls-concept:C0442726 | lld:lifeskim |
| pubmed-article:14512545 | lifeskim:mentions | umls-concept:C1709634 | lld:lifeskim |
| pubmed-article:14512545 | lifeskim:mentions | umls-concept:C2348205 | lld:lifeskim |
| pubmed-article:14512545 | pubmed:issue | 20 | lld:pubmed |
| pubmed-article:14512545 | pubmed:dateCreated | 2003-9-26 | lld:pubmed |
| pubmed-article:14512545 | pubmed:abstractText | The MD145-12 strain (GII/4) is a member of the genus Norovirus in the Caliciviridae and was detected in a patient with acute gastroenteritis in a Maryland nursing home. The open reading frame 1 (ORF1) (encoding the nonstructural polyprotein) was cloned as a consensus sequence into various expression vectors, and a proteolytic cleavage map was determined. The virus-encoded cysteine proteinase mediated at least five cleavages (Q(330)/G(331), Q(696)/G(697), E(875)/G(876), E(1008)/A(1009), and E(1189)/G(1190)) in the ORF1 polyprotein in the following order: N-terminal protein; nucleoside triphosphatase; 20-kDa protein (p20); virus protein, genome linked (VPg); proteinase (Pro); polymerase (Pol). A time course analysis of proteolytic processing of the MD145-12 ORF1 polyprotein in an in vitro coupled transcription and translation assay allowed the identification of stable precursors and final mapped cleavage products. Stable precursors included p20VPg (analogous to the 3AB of the picornaviruses) and ProPol (analogous to the 3CD of the picornaviruses). Less stable processing intermediates were identified as p20VPgProPol, p20VPgPro, and VPgPro. The MD145-12 Pro and ProPol proteins were expressed in bacteria as active forms of the proteinase and used to further characterize their substrate specificities in trans cleavage assays. The MD145-12 Pro was able to cleave its five mapped cleavage sites in trans and, in addition, could mediate trans cleavage of the Norwalk virus (GI/I) ORF1 polyprotein into a similar proteolytic processing profile. Taken together, our data establish a model for proteolytic processing in the noroviruses that is consistent with nonstructural precursors and products identified in studies of caliciviruses that replicate in cell culture systems. | lld:pubmed |
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| pubmed-article:14512545 | pubmed:language | eng | lld:pubmed |
| pubmed-article:14512545 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:14512545 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:14512545 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:14512545 | pubmed:month | Oct | lld:pubmed |
| pubmed-article:14512545 | pubmed:issn | 0022-538X | lld:pubmed |
| pubmed-article:14512545 | pubmed:author | pubmed-author:GreenKim YKY | lld:pubmed |
| pubmed-article:14512545 | pubmed:author | pubmed-author:BelliotGaëlG | lld:pubmed |
| pubmed-article:14512545 | pubmed:author | pubmed-author:SosnovtsevSta... | lld:pubmed |
| pubmed-article:14512545 | pubmed:author | pubmed-author:GarfieldMarkM | lld:pubmed |
| pubmed-article:14512545 | pubmed:author | pubmed-author:MitraTanajiT | lld:pubmed |
| pubmed-article:14512545 | pubmed:author | pubmed-author:HammerCarlC | lld:pubmed |
| pubmed-article:14512545 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:14512545 | pubmed:volume | 77 | lld:pubmed |
| pubmed-article:14512545 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:14512545 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:14512545 | pubmed:pagination | 10957-74 | lld:pubmed |
| pubmed-article:14512545 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
| pubmed-article:14512545 | pubmed:meshHeading | pubmed-meshheading:14512545... | lld:pubmed |
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| pubmed-article:14512545 | pubmed:meshHeading | pubmed-meshheading:14512545... | lld:pubmed |
| pubmed-article:14512545 | pubmed:year | 2003 | lld:pubmed |
| pubmed-article:14512545 | pubmed:articleTitle | In vitro proteolytic processing of the MD145 norovirus ORF1 nonstructural polyprotein yields stable precursors and products similar to those detected in calicivirus-infected cells. | lld:pubmed |
| pubmed-article:14512545 | pubmed:affiliation | Laboratory of Infectious Diseases. Research Technologies Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892-8026, USA. gbelliot@niaid.nih.gov | lld:pubmed |
| pubmed-article:14512545 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:14512545 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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