Characterization of a membrane-associated phosphoprotein of murine cytomegalovirus (pp50) and its immunological cross-reactivity with a human cytomegalovirus protein.
Characterization of a membrane-associated phosphoprotein of murine cytomegalovirus (pp50) and its immunological cross-reactivity with a human cytomegalovirus protein.
复制标题
鼠巨细胞病毒 (pp50) 膜相关磷蛋白的表征及其与人巨细胞病毒蛋白的免疫交叉反应性。
DOI:
10.1016/0042-6822(91)90131-t
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发表时间:
1991
期刊:
影响因子:
3.7
通讯作者:
Britt,WJ
中科院分区:
文献类型:
--
作者:
Loh,LC;Balachandran,N;Britt,WJ
We have identified an abundant 50K phosphoprotein (pp50) in MCMV-infected 3T3-L1 cells and shown by immunofluorescence microscopy and surface-iodination experiments that pp50 is localized to the plasma membrane of the infected cell. Furthermore, the kinetics of its synthesis suggests that it belongs to the early-late class of herpesvirus proteins. Using monoclonal antibodies specific for pp50 to screen a λ ZAP II expression library constructed from poly(A)+mRNA of MCMV-infected cells, we have isolated a cDNA clone that synthesizes a truncated form of pp50 as a β-galactosidase fusion protein. This allowed us to localize the partial pp50 transcript to a region between map coordinates 0.228 and 0.260 of the MCMV genome (Smith strain, Vancouver). Finally, we demonstrated that the MAb 5H10.21 A recognizes an antigenic determinant that is conserved between pp50 and a 50K human cytomegalovirus (HCMV) nonstructural protein.
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影响因子:
3.7
作者:
Loh,LC;Balachandran,N;Qualtiere,LF
通讯作者:
Qualtiere,LF
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