病原: nocardia crassostreae

贝类宿主:太平洋牡蛎crassostrea gigas/欧洲牡蛎ostrea edulis

主要症状:引起牡蛎局部或全身疾病,受感染组织器官表面常可见直径约1cm的黄绿色脓疱突起,最后导致牡蛎大批死亡。组织病理观察显示病灶处革兰氏染色阳性、pas染色阳性、单个呈分枝形、颗粒状嗜碱性的菌块,病灶四周被紧密聚集的血淋巴细胞环绕。

检测技术:引物pcr扩增,病灶组织脓疱压片观察

相关文献:

engelsma my, roozenburg i, joly j p. first isolation of nocardia crassostreae from pacific oyster crassostrea gigas ineurope. dis aquat organ,2008, 80(3):229-34.

noèlia carrascoa, ineke roozenburga, michal voorbergen-laarman,et al. development of a real-time pcr for detection of the oyster pathogen nocardia crassostreae based on its homogeneous 16s-23s rrna intergenic spacer region. journal of invertebrate pathology, available online 19 july 2013.


 

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