Herpesviruses detected in papillomatous skin growths of koi carp (Cyprinus carpio).

Ronald Hedrick, J. M. Groff, M. S. Okihiro, T. S. McDowell

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Herpesviruses were found associated with epidermal hyperplasia of koi carp (Cyprinus carpio) in northern California (USA). Papillomas were found principally on the caudal regions of the fish including the fins. The growths occurred most commonly in the fall and winter among populations of captive carp. Infected epidermal cells were characterized by greatly enlarged nuclei depleted of chromatin but with thickened nuclear membranes. Numerous virions were detected in infected cells. Herpesvirus nucleocapsids in the cell nucleus had a diameter of 109 nm. Virions with envelopes with a diameter of 157 nm were abundant in cytoplasmic vacuoles. The characteristics of the papillomatous growths and the viruses were consistent with descriptions of Herpesvirus cyprini known in koi carp populations in Japan and extends the range of this pathogen to koi carp to North America.

Original languageEnglish (US)
Pages (from-to)578-581
Number of pages4
JournalJournal of Wildlife Diseases
Volume26
Issue number4
DOIs
StatePublished - Jan 1 1990

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koi
Cyprinus carpio
skin (animal)
carp
skin
virion
virus
pathogen
membrane
nucleocapsid
papilloma
winter
nuclear membrane
cell nucleus
fish
hyperplasia
fins
vacuoles
chromatin
cells

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology

Cite this

Herpesviruses detected in papillomatous skin growths of koi carp (Cyprinus carpio). / Hedrick, Ronald; Groff, J. M.; Okihiro, M. S.; McDowell, T. S.

In: Journal of Wildlife Diseases, Vol. 26, No. 4, 01.01.1990, p. 578-581.

Research output: Contribution to journalArticle

Hedrick, Ronald ; Groff, J. M. ; Okihiro, M. S. ; McDowell, T. S. / Herpesviruses detected in papillomatous skin growths of koi carp (Cyprinus carpio). In: Journal of Wildlife Diseases. 1990 ; Vol. 26, No. 4. pp. 578-581.
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