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基于宏基因组学的江西桃红岭梅花鹿潜在病原初步调查
Authors
刘小洪
刘武华
+5 more
张壹萱
张阳
詹建文
陈璐瑶
黄晓凤
Publication date
1 August 2024
Publisher
Editorial Department of Chinese Journal of Wildlife
Doi
Cite
Abstract
近些年,江西桃红岭梅花鹿国家级自然保护区植被正向演替明显,大量梅花鹿(Cervus nippon)开始向保护区外围扩散和聚集,调查桃红岭梅花鹿潜在病原携带情况,有利于掌握其种群健康状况,进而制定精确的保护管理对策,因此在该保护区不同区域(核心区、缓冲区和实验区)采集梅花鹿新鲜粪便样品,并基于宏基因组测序技术分析其病原携带情况。结果表明:桃红岭梅花鹿携带病原微生物包括细菌、真菌、放线菌、支原体、衣原体和螺旋体,共34属63种,其中包含大量人兽共患病病原;病原丰度最高的5个属分别是拟梭菌属(Clostridioides)、李斯特菌属(Listeria)、克雷伯氏菌属(Klebsiella)、志贺氏菌属(Shigella)和沙门氏菌属(Salmonella),丰度最高的 5个种分别是艰难拟梭菌(Clostridioides difficile)、单核增生李斯特氏菌(Listeria monocytogenes)、肺炎克雷伯氏菌(Klebsiella pneumoniae)、肠炎沙门氏菌(Salmonella enteritidis)和福氏志贺氏菌(Shigella flexneri);不同研究区域中,核心区梅花鹿携带病原数量显著低于缓冲区和实验区。以上结果表明,桃红岭梅花鹿携带有多种病原,存在一定疫病发生风险。建议在保护区核心区积极开展栖息地矮化工作,同时开展高危病原的持续性监测及预警,并加强对保护区外围扩散梅花鹿种群的保护管理
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Last time updated on 03/04/2025