Streptococcus iniae in Gilthead Seabream (Sparus aurata, L.) and Red Porgy (Pagrus pagrus, L.): Ultrastructural Analysis. (January 2015)

• Record Type: Journal Article
• Authors: Aamri, F. El; Caballero, M. J.; Real, F.; Acosta, F.; Déniz, S.; Román, L.; Padilla, D.
• Is Part Of: Veterinary pathology. Volume 52:Number 1(2015:Jan.)
• Page Start: 209
• Page End: 212
• Publication Date: 2015-01
• Subjects: Streptococcus iniae -- red porgy -- seabream -- ultrastructural study -- transmission electron micrographs; Veterinary pathology -- Periodicals; Pathology, Veterinary -- Periodicals; 636.089607
• DOI: 10.1177/0300985814520638
• Languages: English
• ISSNs: 0300-9858

Abstract

Streptococcosis caused by Streptococcus iniae has become one of the most serious marine and freshwater aquatic diseases in the past decade, causing large losses in farmed and wild fish worldwide. In this study, we performed an ultrastructural study of major lesions in gilthead seabream Sparus aurata and red porgy Pagrus pagrus experimentally infected with the S . iniae IUSA-1 strain, isolated in a natural outbreak in Spain in the mentioned species. The transmission electron micrographs revealed the resistance of this pathogen inside the phagosome, indicating that the macrophage may provide a significant bacterial reservoir for continuing infection, disease dissemination, and tissue injury by crossing the blood-brain barrier.