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首页> 外文期刊>Infection and immunity >Isolation and characterization of a recombinant lambda gt11 bacteriophage which expresses an immunoreactive Mycobacterium intracellulare protein in Escherichia coli.
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Isolation and characterization of a recombinant lambda gt11 bacteriophage which expresses an immunoreactive Mycobacterium intracellulare protein in Escherichia coli.

机译:重组λgt11噬菌体的分离和鉴定,该噬菌体在大肠杆菌中表达免疫反应性胞内分枝杆菌蛋白。

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Disseminated Mycobacterium avium-Mycobacterium intracellulare (M. avium complex) disease is a prevalent opportunistic infection in patients with acquired immune deficiency syndrome. Because of the increasing importance of this disease, an M. avium complex lambda gt11 expression library was prepared. We screened the library with an absorbed anti-M. intracellulare serum and identified a recombinant phage which expressed a 190-kilodalton beta-galactosidase-M. intracellulare fusion protein. Lysates containing the 190-kilodalton fusion protein evoked strong humoral and cell-mediated responses. The immunoreactivity of the M. intracellulare recombinant protein suggests that antigens isolated from the expression library may be useful as skin test, serodiagnostic, or immunoprophylactic reagents for M. avium complex disease.
机译:传播性鸟分枝杆菌-细胞内分枝杆菌(鸟分枝杆菌复合体)疾病是获得性免疫缺陷综合征患者的一种普遍的机会感染。由于该疾病的重要性日益增加,因此制备了鸟分枝杆菌复杂λgt11表达文库。我们用吸收的抗M筛选了文库。细胞内血清并鉴定出表达190-千达尔顿β-半乳糖苷酶-M的重组噬菌体。细胞内融合蛋白。含有190-千达尔顿融合蛋白的裂解物引起强烈的体液和细胞介导的反应。细胞内分枝杆菌重组蛋白的免疫反应性表明,从表达文库中分离的抗原可用作禽分枝杆菌复杂疾病的皮肤测试,血清学诊断或免疫预防试剂。

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