一种与人类血液相关的分节段病毒分离株可自然感染植物病原真菌玉米小斑病菌。
An isolate of human blood-associated partitivirus naturally infects the phytopathogenic fungus Bipolaris maydis.
作者信息
Zhang Kun, Mu Ge, Wu Weilan, Wang Peng, Shang Jun, Li Changquan, Deng Qingchao, Fang Shouguo, Wang Haoran, Zhang Songbai
机构信息
MARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River (Co-construction by Ministry and Province), Yangtze University, Jingzhou, 434025, China.
Hubei Engineering Research Center for Pest Forewarning and Management, Yangtze University, Jingzhou, 434025, China.
出版信息
Arch Virol. 2024 Dec 13;170(1):17. doi: 10.1007/s00705-024-06204-2.
Human blood-associated partitivirus (HuBPV) was first identified through metagenomic analysis of serum samples from two Peruvians, but its natural host remains unknown. Here, we report the detection of an HuBPV strain (HuBPV-Bm) in the phytopathogenic fungus Bipolaris maydis strain HN11 in Hubei Province, China. The dsRNA1 and dsRNA2 of HuBPV-Bm show more than 97.6% and 98.8% nucleotide sequence identity, respectively, to those from the metagenomically discovered HuBPV strain (HuBPV-M). Notably, HuBPV-Bm contains a third dsRNA segment that was not reported for HuBPV-M. All mycelia derived from individual asexual spores of HN11 tested positive for HuBPV-Bm, as did nine out of 293 B. maydis strains collected across Hubei.
人类血液相关分节段病毒（HuBPV）最初是通过对两名秘鲁人的血清样本进行宏基因组分析而鉴定出来的，但其天然宿主仍然未知。在此，我们报告在中国湖北省的玉米大斑病菌株HN11中检测到一种HuBPV毒株（HuBPV-Bm）。HuBPV-Bm的dsRNA1和dsRNA2与通过宏基因组发现的HuBPV毒株（HuBPV-M）的相应序列相比，核苷酸序列同一性分别超过97.6%和98.8%。值得注意的是，HuBPV-Bm含有一个HuBPV-M未报道的第三条dsRNA片段。来自HN11单个无性孢子的所有菌丝体对HuBPV-Bm检测呈阳性，在从湖北各地收集的293株玉米大斑病菌株中，有9株也是如此。
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