Molecular cloning and expression in Escherichia coli of equine type I interferons.

Molecular cloning and expression in Escherichia coli of equine type I interferons.
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马 I 型干扰素在大肠杆菌中的分子克隆和表达。

DOI:
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发表时间:
1986
期刊:
DNA
影响因子:
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通讯作者:
P. Swetly
P. Swetly
中科院分区:
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文献类型:
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作者:
A. Himmler;R. Hauptmann;G. Adolf;P. Swetly

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使用人干扰素-α 2(IFN-α 2)和IFN-β DNA探测马基因组文库,我们分离了含有马干扰素-α(EqIFN-α)、干扰素-β(EqIFN-β)和干扰素-ω(EqIFN-ω)基因的重组质粒。这些基因的序列和杂交分析表明,马基因组包含这三个I型干扰素类的基因家族。EqIFN-α的成熟蛋白与人IFN-α多肽具有71-77%的同源性,并且当在E. coli,对马和人细胞都具有抗病毒活性。相比之下,EqIFN-β仅与其人类对应物具有59%的同源性,并且仅在马细胞上显示出活性。
Using human interferon-alpha 2 (IFN-alpha 2) and IFN-beta DNA to probe an equine genomic library we isolated recombinant phages containing genes for equine interferon-alpha (EqIFN-alpha), interferon-beta (EqIFN-beta), and interferon-omega (EqIFN-omega). Sequence and hybridization analyses of these genes reveal that the equine genome contains gene families of each of these three type I interferon classes. The mature proteins of EqIFN-alpha are 71-77% homologous to human IFN-alpha polypeptides, and, when expressed in E. coli, possess antiviral activity on both equine and human cells. By contrast, EqIFN-beta is only 59% homologous to its human counterpart and shows activity only on equine cells.
DOI: 10.1073/pnas.79.24.7809
发表时间: 1982-12
影响因子: 11.1
作者:
J. Trent;S. Olson;R. Lawn
通讯作者: J. Trent;S. Olson;R. Lawn
大肠杆菌质粒pSC101的分区基因座的核苷酸序列。
DOI: 10.1016/0378-1119(83)90091-4
发表时间: 1983
期刊: Gene
影响因子: 3.5
作者:
Miller,CA;Tucker,WT;Meacock,PA;Gustafsson,P;Cohen,SN
通讯作者: Cohen,SN