Lymphocystis Disease Virus in Largemouth Bass - A Case Report

Suja Aarattuthodi

doi:doi:10.11648/j.fem.20230902.11

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Lymphocystis Disease Virus in Largemouth Bass - A Case Report

Suja Aarattuthodi

Published in Frontiers in Environmental Microbiology (Volume 9, Issue 2)

Received: 15 May 2023 Accepted: 1 June 2023 Published: 10 June 2023

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Abstract

Lymphocystis disease caused by the lymphocystis disease virus (LCDV) infects numerous fish species including wild and farmed fish from several families. The LCDV is a DNA virus belonging to the family Iridoviridae. The virus usually causes benign, chronic infection characterized by macroscopic nodules located on the body, fins, and gills of fish, although other tissues may be infected occasionally. The disease normally does not cause significant mortalities, but massive infections leading to substantial mortalities have been reported in some aquacultured species such as sea bream (Sparus aurata), Olive flounder (Paralichthys olivaceus), Japanese seabass (Lateolabrax japonicus), and rockfish (Sebastes schlegeli). In this study, nodules from the fins of a largemouth bass (Micropterus salmoides) were subjected to pathological examination. Microscopic analysis of the wet mount and the histological analysis revealed the pathological alterations caused by the lymphocystis disease virus. Histopathological analysis indicated that the nodules contained encapsulated hypertrophic cells typical of the viral infection. The inoculum from the fin nodules produced cytopathic effects (CPEs) on Bluegill Fry (BF-2) cells, while no CPEs were observed in the Epithelioma Papulosum Cyprini (EPC) and Fathead Minnow (FHM) cell lines. These findings suggest that the causative agent of the fin infection in the largemouth bass is lymphocystis disease virus.

Published in	Frontiers in Environmental Microbiology (Volume 9, Issue 2)
DOI	10.11648/j.fem.20230902.11
Page(s)	18-23
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Lymphocystis Disease Virus, Largemouth Bass, Nodules, Histopathology, Cytopathic Effects

References

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Suja Aarattuthodi. (2023). Lymphocystis Disease Virus in Largemouth Bass - A Case Report. Frontiers in Environmental Microbiology, 9(2), 18-23. https://doi.org/10.11648/j.fem.20230902.11

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Suja Aarattuthodi. Lymphocystis Disease Virus in Largemouth Bass - A Case Report. Front. Environ. Microbiol. 2023, 9(2), 18-23. doi: 10.11648/j.fem.20230902.11

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Suja Aarattuthodi. Lymphocystis Disease Virus in Largemouth Bass - A Case Report. Front Environ Microbiol. 2023;9(2):18-23. doi: 10.11648/j.fem.20230902.11

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@article{10.11648/j.fem.20230902.11,
  author = {Suja Aarattuthodi},
  title = {Lymphocystis Disease Virus in Largemouth Bass - A Case Report},
  journal = {Frontiers in Environmental Microbiology},
  volume = {9},
  number = {2},
  pages = {18-23},
  doi = {10.11648/j.fem.20230902.11},
  url = {https://doi.org/10.11648/j.fem.20230902.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.fem.20230902.11},
  abstract = {Lymphocystis disease caused by the lymphocystis disease virus (LCDV) infects numerous fish species including wild and farmed fish from several families. The LCDV is a DNA virus belonging to the family Iridoviridae. The virus usually causes benign, chronic infection characterized by macroscopic nodules located on the body, fins, and gills of fish, although other tissues may be infected occasionally. The disease normally does not cause significant mortalities, but massive infections leading to substantial mortalities have been reported in some aquacultured species such as sea bream (Sparus aurata), Olive flounder (Paralichthys olivaceus), Japanese seabass (Lateolabrax japonicus), and rockfish (Sebastes schlegeli). In this study, nodules from the fins of a largemouth bass (Micropterus salmoides) were subjected to pathological examination. Microscopic analysis of the wet mount and the histological analysis revealed the pathological alterations caused by the lymphocystis disease virus. Histopathological analysis indicated that the nodules contained encapsulated hypertrophic cells typical of the viral infection. The inoculum from the fin nodules produced cytopathic effects (CPEs) on Bluegill Fry (BF-2) cells, while no CPEs were observed in the Epithelioma Papulosum Cyprini (EPC) and Fathead Minnow (FHM) cell lines. These findings suggest that the causative agent of the fin infection in the largemouth bass is lymphocystis disease virus.},
 year = {2023}
}

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TY  - JOUR
T1  - Lymphocystis Disease Virus in Largemouth Bass - A Case Report
AU  - Suja Aarattuthodi
Y1  - 2023/06/10
PY  - 2023
N1  - https://doi.org/10.11648/j.fem.20230902.11
DO  - 10.11648/j.fem.20230902.11
T2  - Frontiers in Environmental Microbiology
JF  - Frontiers in Environmental Microbiology
JO  - Frontiers in Environmental Microbiology
SP  - 18
EP  - 23
PB  - Science Publishing Group
SN  - 2469-8067
UR  - https://doi.org/10.11648/j.fem.20230902.11
AB  - Lymphocystis disease caused by the lymphocystis disease virus (LCDV) infects numerous fish species including wild and farmed fish from several families. The LCDV is a DNA virus belonging to the family Iridoviridae. The virus usually causes benign, chronic infection characterized by macroscopic nodules located on the body, fins, and gills of fish, although other tissues may be infected occasionally. The disease normally does not cause significant mortalities, but massive infections leading to substantial mortalities have been reported in some aquacultured species such as sea bream (Sparus aurata), Olive flounder (Paralichthys olivaceus), Japanese seabass (Lateolabrax japonicus), and rockfish (Sebastes schlegeli). In this study, nodules from the fins of a largemouth bass (Micropterus salmoides) were subjected to pathological examination. Microscopic analysis of the wet mount and the histological analysis revealed the pathological alterations caused by the lymphocystis disease virus. Histopathological analysis indicated that the nodules contained encapsulated hypertrophic cells typical of the viral infection. The inoculum from the fin nodules produced cytopathic effects (CPEs) on Bluegill Fry (BF-2) cells, while no CPEs were observed in the Epithelioma Papulosum Cyprini (EPC) and Fathead Minnow (FHM) cell lines. These findings suggest that the causative agent of the fin infection in the largemouth bass is lymphocystis disease virus.
VL  - 9
IS  - 2
ER  -

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Suja Aarattuthodi

Thad Cochran National Warmwater Aquaculture Center, Delta Research and Extension Center, Mississippi Agriculture and Forestry Experiment Station, Mississippi State University, Stoneville, USA

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Suja Aarattuthodi. (2023). Lymphocystis Disease Virus in Largemouth Bass - A Case Report. Frontiers in Environmental Microbiology, 9(2), 18-23. https://doi.org/10.11648/j.fem.20230902.11

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ACS Style

Suja Aarattuthodi. Lymphocystis Disease Virus in Largemouth Bass - A Case Report. Front. Environ. Microbiol. 2023, 9(2), 18-23. doi: 10.11648/j.fem.20230902.11

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AMA Style

Suja Aarattuthodi. Lymphocystis Disease Virus in Largemouth Bass - A Case Report. Front Environ Microbiol. 2023;9(2):18-23. doi: 10.11648/j.fem.20230902.11

Copy | Download

@article{10.11648/j.fem.20230902.11,
  author = {Suja Aarattuthodi},
  title = {Lymphocystis Disease Virus in Largemouth Bass - A Case Report},
  journal = {Frontiers in Environmental Microbiology},
  volume = {9},
  number = {2},
  pages = {18-23},
  doi = {10.11648/j.fem.20230902.11},
  url = {https://doi.org/10.11648/j.fem.20230902.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.fem.20230902.11},
  abstract = {Lymphocystis disease caused by the lymphocystis disease virus (LCDV) infects numerous fish species including wild and farmed fish from several families. The LCDV is a DNA virus belonging to the family Iridoviridae. The virus usually causes benign, chronic infection characterized by macroscopic nodules located on the body, fins, and gills of fish, although other tissues may be infected occasionally. The disease normally does not cause significant mortalities, but massive infections leading to substantial mortalities have been reported in some aquacultured species such as sea bream (Sparus aurata), Olive flounder (Paralichthys olivaceus), Japanese seabass (Lateolabrax japonicus), and rockfish (Sebastes schlegeli). In this study, nodules from the fins of a largemouth bass (Micropterus salmoides) were subjected to pathological examination. Microscopic analysis of the wet mount and the histological analysis revealed the pathological alterations caused by the lymphocystis disease virus. Histopathological analysis indicated that the nodules contained encapsulated hypertrophic cells typical of the viral infection. The inoculum from the fin nodules produced cytopathic effects (CPEs) on Bluegill Fry (BF-2) cells, while no CPEs were observed in the Epithelioma Papulosum Cyprini (EPC) and Fathead Minnow (FHM) cell lines. These findings suggest that the causative agent of the fin infection in the largemouth bass is lymphocystis disease virus.},
 year = {2023}
}

Copy | Download

TY  - JOUR
T1  - Lymphocystis Disease Virus in Largemouth Bass - A Case Report
AU  - Suja Aarattuthodi
Y1  - 2023/06/10
PY  - 2023
N1  - https://doi.org/10.11648/j.fem.20230902.11
DO  - 10.11648/j.fem.20230902.11
T2  - Frontiers in Environmental Microbiology
JF  - Frontiers in Environmental Microbiology
JO  - Frontiers in Environmental Microbiology
SP  - 18
EP  - 23
PB  - Science Publishing Group
SN  - 2469-8067
UR  - https://doi.org/10.11648/j.fem.20230902.11
AB  - Lymphocystis disease caused by the lymphocystis disease virus (LCDV) infects numerous fish species including wild and farmed fish from several families. The LCDV is a DNA virus belonging to the family Iridoviridae. The virus usually causes benign, chronic infection characterized by macroscopic nodules located on the body, fins, and gills of fish, although other tissues may be infected occasionally. The disease normally does not cause significant mortalities, but massive infections leading to substantial mortalities have been reported in some aquacultured species such as sea bream (Sparus aurata), Olive flounder (Paralichthys olivaceus), Japanese seabass (Lateolabrax japonicus), and rockfish (Sebastes schlegeli). In this study, nodules from the fins of a largemouth bass (Micropterus salmoides) were subjected to pathological examination. Microscopic analysis of the wet mount and the histological analysis revealed the pathological alterations caused by the lymphocystis disease virus. Histopathological analysis indicated that the nodules contained encapsulated hypertrophic cells typical of the viral infection. The inoculum from the fin nodules produced cytopathic effects (CPEs) on Bluegill Fry (BF-2) cells, while no CPEs were observed in the Epithelioma Papulosum Cyprini (EPC) and Fathead Minnow (FHM) cell lines. These findings suggest that the causative agent of the fin infection in the largemouth bass is lymphocystis disease virus.
VL  - 9
IS  - 2
ER  -

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