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鸡传染性支气管炎病毒的分子病毒学研究进展 被引量:3

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摘要 鸡传染性支气管炎病毒(Avian infectious bronchitis virus,IBV)是冠状病毒科、冠状病毒属的代表种,为单股、正链、不分节段的RNA病毒.成熟的病毒粒子具有囊膜,呈多形性球状,直径(60-)120~160(-200)mm.囊膜来源于宿主细胞的高尔基体膜或粗面内质网膜,上散布着排列有序的、长度为12~24mm的棒状突起,外观呈皇冠状.核衣壳长丝状、螺旋对称,直径9~13mm.IBV因其多血清型和高度变异性,而使免疫预防复杂化,给养鸡业造成了巨大的经济损失[1].
出处 《预防兽医学进展》 2001年第1期17-19,共3页 Progress in Preventive Veterinary Medicine
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