Mifsud Jonathon C O, Hall Jane, Van Brussel Kate, Rose Karrie, Parry Rhys H, Holmes Edward C, Harvey Erin
Sydney Institute for Infectious Diseases, School of Medical Sciences, The University of Sydney, Sydney, NSW, 2006, Australia.
Centre for Planetary Health and Food Security, School of Environment and Science, Griffith University, Nathan, QLD, Australia.
Npj Viruses. 2024 Mar 21;2(1):10. doi: 10.1038/s44298-024-00020-w.
Despite being the predominant seal species in the Australian-New Zealand region and serving as a key indicator of marine environmental health, little is known about infectious diseases in New Zealand fur seals (Long-nosed fur seal; Arctocephalus forsteri). Several papillomaviruses have been identified in earless seals and sea lions, with the latter linked to cutaneous plaques and invasive squamous cell carcinoma. To date, no papillomaviruses have been reported in fur seals. We used traditional veterinary diagnostic techniques and metatranscriptomic sequencing of tissue samples to investigate the virome of New Zealand fur seals. We identified a novel papillomavirus, provisionally termed A. forsteri papillomavirus 1 (AforPV1) in an animal with clinically and histologically identified oral papilloma-like lesions. RT-PCR confirmed the presence of AforPV1 only in oral papilloma samples from the affected individual. Phylogenetic analysis of the complete 7926 bp genome of AforPV1 revealed that it grouped with taupapillomaviruses found in related Carnivora species. These findings highlight the need for further research into the disease associations and impact of undiagnosed and novel viruses on New Zealand fur seals.
尽管新西兰海狗(长鼻海狗;Arctocephalus forsteri)是澳大利亚 - 新西兰地区的主要海豹物种,也是海洋环境健康的关键指标,但人们对其传染病知之甚少。在无耳海豹和海狮中已鉴定出几种乳头瘤病毒,后者与皮肤斑块和侵袭性鳞状细胞癌有关。迄今为止,尚未有海狗感染乳头瘤病毒的报道。我们使用传统的兽医诊断技术和组织样本的宏转录组测序来研究新西兰海狗的病毒组。我们在一只临床上和组织学上被鉴定为患有口腔乳头瘤样病变的动物中鉴定出一种新型乳头瘤病毒,暂称为福氏海狗乳头瘤病毒1(AforPV1)。逆转录 - 聚合酶链反应(RT-PCR)证实AforPV1仅存在于受影响个体的口腔乳头瘤样本中。对AforPV1完整的7926 bp基因组进行系统发育分析表明,它与在相关食肉动物物种中发现的陶乳头瘤病毒归为一类。这些发现凸显了进一步研究未诊断和新型病毒对新西兰海狗的疾病关联及影响的必要性。
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