Initial Evidence That Gilthead Seabream (<i>Sparus aurata</i> L.) Is a Host for Lymphocystis Disease Virus Genotype I

Marine and brackish water aquacultures are rapidly expanding in the Mediterranean basin. In this context, Egypt recently received a shipment of a 1.5 million juvenile gilthead seabream (<i>Sparus aurata</i> L.) from European Mediterranean facility. Within a few weeks of their arrival, 95...

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Autores principales:	Mohamed Shawky, Engy Taha, Basem Ahmed, Mahmoud Aly Mahmoud, Mohamed Abdelaziz, Mohamed Faisal, Ausama Yousif
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	lymphocystis disease virus LCDV genotype I major capsid protein gilthead seabream histopathology phylogenetic analysis Veterinary medicine SF600-1100 Zoology QL1-991
Acceso en línea:	https://doaj.org/article/6769aeea52e44bc7acb6b8759ac0208b
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spelling	oai:doaj.org-article:6769aeea52e44bc7acb6b8759ac0208b2021-11-25T16:13:55ZInitial Evidence That Gilthead Seabream (<i>Sparus aurata</i> L.) Is a Host for Lymphocystis Disease Virus Genotype I10.3390/ani111130322076-2615https://doaj.org/article/6769aeea52e44bc7acb6b8759ac0208b2021-10-01T00:00:00Zhttps://www.mdpi.com/2076-2615/11/11/3032https://doaj.org/toc/2076-2615Marine and brackish water aquacultures are rapidly expanding in the Mediterranean basin. In this context, Egypt recently received a shipment of a 1.5 million juvenile gilthead seabream (<i>Sparus aurata</i> L.) from European Mediterranean facility. Within a few weeks of their arrival, 95% of the imported fish developed nodules on their skin and fins that lasted for several months. This study was undertaken to describe the clinical disease course, to identify the causative agent, and to investigate its origin. Preliminary diagnosis based on gross lesions and postmortem examination suggested lymphocystis disease (LCD), caused by the lymphocystis disease virus (LCDV; genus <i>Lymphocystivirus</i>, family <i>Iridoviridae</i>). Histopathological and ultrastructural features were typical of LCDV infections. PCR followed by sequencing and phylogenetic analysis of a 306-bp fragment of the major capsid protein (MCP) gene demonstrated the presence of LCDV genotype I, originally associated with LCD in Northern European countries, with 99.7% and 100% nucleotide and deduced amino acid identity values, respectively. LCDV genotype I has neither been reported in this species nor in the region. Regardless of the source of infection, findings of this study add to existing knowledge about the ecology of LCDV genotype I and its host range.Mohamed ShawkyEngy TahaBasem AhmedMahmoud Aly MahmoudMohamed AbdelazizMohamed FaisalAusama YousifMDPI AGarticlelymphocystis disease virusLCDV genotype Imajor capsid proteingilthead seabreamhistopathologyphylogenetic analysisVeterinary medicineSF600-1100ZoologyQL1-991ENAnimals, Vol 11, Iss 3032, p 3032 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	lymphocystis disease virus LCDV genotype I major capsid protein gilthead seabream histopathology phylogenetic analysis Veterinary medicine SF600-1100 Zoology QL1-991
spellingShingle	lymphocystis disease virus LCDV genotype I major capsid protein gilthead seabream histopathology phylogenetic analysis Veterinary medicine SF600-1100 Zoology QL1-991 Mohamed Shawky Engy Taha Basem Ahmed Mahmoud Aly Mahmoud Mohamed Abdelaziz Mohamed Faisal Ausama Yousif Initial Evidence That Gilthead Seabream (<i>Sparus aurata</i> L.) Is a Host for Lymphocystis Disease Virus Genotype I
description	Marine and brackish water aquacultures are rapidly expanding in the Mediterranean basin. In this context, Egypt recently received a shipment of a 1.5 million juvenile gilthead seabream (<i>Sparus aurata</i> L.) from European Mediterranean facility. Within a few weeks of their arrival, 95% of the imported fish developed nodules on their skin and fins that lasted for several months. This study was undertaken to describe the clinical disease course, to identify the causative agent, and to investigate its origin. Preliminary diagnosis based on gross lesions and postmortem examination suggested lymphocystis disease (LCD), caused by the lymphocystis disease virus (LCDV; genus <i>Lymphocystivirus</i>, family <i>Iridoviridae</i>). Histopathological and ultrastructural features were typical of LCDV infections. PCR followed by sequencing and phylogenetic analysis of a 306-bp fragment of the major capsid protein (MCP) gene demonstrated the presence of LCDV genotype I, originally associated with LCD in Northern European countries, with 99.7% and 100% nucleotide and deduced amino acid identity values, respectively. LCDV genotype I has neither been reported in this species nor in the region. Regardless of the source of infection, findings of this study add to existing knowledge about the ecology of LCDV genotype I and its host range.
format	article
author	Mohamed Shawky Engy Taha Basem Ahmed Mahmoud Aly Mahmoud Mohamed Abdelaziz Mohamed Faisal Ausama Yousif
author_facet	Mohamed Shawky Engy Taha Basem Ahmed Mahmoud Aly Mahmoud Mohamed Abdelaziz Mohamed Faisal Ausama Yousif
author_sort	Mohamed Shawky
title	Initial Evidence That Gilthead Seabream (<i>Sparus aurata</i> L.) Is a Host for Lymphocystis Disease Virus Genotype I
title_short	Initial Evidence That Gilthead Seabream (<i>Sparus aurata</i> L.) Is a Host for Lymphocystis Disease Virus Genotype I
title_full	Initial Evidence That Gilthead Seabream (<i>Sparus aurata</i> L.) Is a Host for Lymphocystis Disease Virus Genotype I
title_fullStr	Initial Evidence That Gilthead Seabream (<i>Sparus aurata</i> L.) Is a Host for Lymphocystis Disease Virus Genotype I
title_full_unstemmed	Initial Evidence That Gilthead Seabream (<i>Sparus aurata</i> L.) Is a Host for Lymphocystis Disease Virus Genotype I
title_sort	initial evidence that gilthead seabream (<i>sparus aurata</i> l.) is a host for lymphocystis disease virus genotype i
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/6769aeea52e44bc7acb6b8759ac0208b
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Initial Evidence That Gilthead Seabream (<i>Sparus aurata</i> L.) Is a Host for Lymphocystis Disease Virus Genotype I

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