羊巴贝斯虫trap基因的克隆与序列分析

来源 :中国动物学会寄生虫学专业委员会第十届全国寄生虫学青年工作者学术研讨会 | 被引量 : 0次 | 上传用户:ckforme
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  巴贝斯虫病是由巴贝斯虫属(Babesia)的寄生虫侵入宿主红细胞内而引起的一种蜱传性的血液原虫病。该病广泛分布于全球温带、热带和亚热带地区,给世界养羊业造成严重的经济损失。
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环形泰勒虫病是一种由环形泰勒虫引起的蜱传性血液原虫病,其临床症状主要表现为淋巴结肿大、高热、贫血等。其裂殖体阶段虫体能够感染宿主巨噬细胞、树突状细胞(DC)细胞及B 淋巴细胞,直接影响宿主动物的免疫功能。
牛热带泰勒虫病是由环形泰勒虫引起的以体表淋巴结肿胀、贫血、稽留热为主要临床症状的一种蜱传血液原虫病,该病发病率高,病死率大,严重威胁了世界养牛业的发展。尤其是在热带和亚热带地区,给畜牧业生产造成了巨大的经济损失。微卫星DNA 广泛分布在核基因组中,且多态性丰富,能够很好的反映出种群的遗传特性。