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首页> 外文期刊>Diseases of Aquatic Organisms >Fate of redspotted grouper nervous necrosis virus (RGNNV) in experimentally challenged Manila clam Ruditapes philippinarum
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Fate of redspotted grouper nervous necrosis virus (RGNNV) in experimentally challenged Manila clam Ruditapes philippinarum

机译：红斑石斑鱼神经坏死病毒（RGNNV）在经过实验挑战的菲律宾蛤仔菲律宾蛤仔中的命运

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ABSTRACT: Redspotted grouper nervous necrosis virus (RGNNV), genus Betanodavirus, family Nodaviridae, is the causative agent of viral encephalopathy and retinopathy (otherwise known as viral nervous necrosis) and can infect several fish species worldwide. Betanodaviruses, including RGNNV, are very resilient in the aquatic environment, and their presence has already been reported in several wild marine species including invertebrates. In order to investigate the interaction between a bivalve mollusc (Manila clam Ruditapes philippinarum) and RGNNV, we optimised a culture-based method. The bioaccumulation of the pathogenic RGNNV by R. philippinarum and the potential shedding of viable RGNNV from RGNNV-exposed clams were evaluated through a culture-based method. R. philippinarum clearly accumulated viable RGNNV in their hepatopancreatic tissue and were able to release viable RGNNV via faecal matter and filtered water into the surrounding environment. The role of clams as bioaccumulators and shedders of viable RGGNV could put susceptible cohabiting cultured fish at risk. RGNNV-contaminated molluscs could behave as reservoirs for this virus and may modify the virus epidemiology.
机译：摘要：红点石斑鱼神经坏死病毒（RGNNV），Betanodavirus属，Nodaviridae家族，是病毒性脑病和视网膜病（也称为病毒性神经坏死）的病原体，可以感染全世界的几种鱼类。包括RGNNV在内的Betanodavirus病毒在水生环境中具有很强的复原力，并且已经在包括无脊椎动物在内的几种野生海洋物种中报告了它们的存在。为了研究双壳软体动物（菲律宾马尼拉蛤仔）和RGNNV之间的相互作用，我们优化了一种基于培养的方法。通过基于培养的方法评估了菲律宾蛤仔对致病性RGNNV的生物蓄积和可能的RGNNV从暴露于RGNNV的蛤中脱落的可能性。 philipinarum明显在其肝胰腺组织中积累了可行的RGNNV，并且能够通过粪便和过滤水将其释放到周围环境中。蛤作为可行的RGGNV的生物蓄积剂和除草剂的作用可能会使易感的同居养殖鱼类面临风险。被RGNNV污染的软体动物可以充当该病毒的宿主，并可能改变病毒的流行病学。

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