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In situ hybridization revealed wide distribution of Haliotid herpesvirus 1 in infected small abalone, Haliotis diversicolor supertexta

文献类型： 外文期刊

作者： Bai, Chang-Ming 1 ; Li, Ya-Nan 1 ; Chang, Pen-Heng 6 ; Jiang, Jing-Zhe 7 ; Xin, Lu-Sheng 1 ; Li, Chen 1 ; Wang, Jiang- 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Minist Agr, Key Lab Maricultural Organism Dis Control, Qingdao 266237, Peoples R China

2.Chinese Acad Fishery Sci, Qingdao Key Lab Mariculture Epidemiol & Biosecur, Qingdao 266237, Peoples R China

3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266237, Peoples R China

4.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266237, Peoples R China

5.Ningbo Univ, Sch Marine Sci, Ningbo 315211, Peoples R China

6.Natl Taiwan Univ, Sch Vet Med, Inst Comparat & Mol Pathobiol, Taipei, Taiwan

7.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab Aquat Prod Proc, Minist Agr, Guangzhou 510300, Peoples R China

关键词： Haliotid herpesvirus 1; HaHV-1; Tropism; In situ hybridization; Haemocyte

期刊名称：JOURNAL OF INVERTEBRATE PATHOLOGY （ 影响因子：2.841； 五年影响因子：3.368 ）

ISSN： 0022-2011

年卷期： 2020 年 173 卷

页码：

收录情况： SCI

摘要： Ganglioneuritis was the primary pathologic change in infected abalone associated with Haliotid herpesvirus 1 (HaHV-1) infection, which eventually became known as abalone viral ganglioneuritis (AVG). However, the distribution of HaHV-1 in the other tissues and organs of infected abalone has not been systemically investigated. In the present study, the distribution of HaHV-1-CN2003 variant in different organs of small abalone, Haliotis diversicolor supertexta, collected at seven different time points post experimental infection, was investigated with histopathological examination and in situ hybridization (ISH) of HaHV-1 DNA. ISH signals were first observed in pedal ganglia at 48 h post injection, and were consistently observed in this tissue of challenged abalone. At the same time, increased cellularity accompanied by ISH signals was observed in some peripheral ganglia of mantle and kidney. At the end of infection period, lesions and co-localized ISH signals in infiltrated cells were detected occasionally in the mantle and hepatopancreas. Transmission electron microscope analysis revealed the presence of herpes-like viral particles in haemocyte nuclei of infected abalone. Our results indicated that, although HaHV-1-CN2003 was primarily neurotropic, it could infect other tissues including haemocytes.

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