Detection of penaeid rod-shaped DNA virus (PRDV) in wild-caught shrimp and other crustaceans

被引：68

作者：

Maeda, M

Itami, T

Furumoto, A

Hennig, O

Imamura, T

Kondo, M

Hirono, I

Aoki, T

Takahashi, Y

机构：

[1] Natl Fisheries Univ, Dept Appl Aquabiol, Shimonoseki, Yamaguchi 7596595, Japan

[2] Nagasaki Univ, Fac Fisheries, Nagasaki 8528131, Japan

[3] Nichirin Fish Breeding Inc, Ehime 7942550, Japan

[4] Tokyo Univ Fisheries, Dept Aquat Biosci, Tokyo 1080075, Japan

来源：

FISH PATHOLOGY | 1998年 / 33卷 / 04期

关键词：

PRDV; PCR; WSSV; penaeid acute viremia; PAV; wild-caught shrimp; crustacean;

D O I：

10.3147/jsfp.33.373

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

Penaeid acute viremia (PAV) caused by penaeid rod-shaped DNA virus (PRDV), has been damaging kuruma shrimp (Penaeus japonicus) culture in Japan. The detection of PRDV in wild-caught shrimp and other crustaceans was conducted by using 2-step PCR. Fifty-one out of 202 wild-caught shrimp spawners showed PRDV-positive (25.2%) by 2-step PCR. The filtrate of the heart homogenate of those infected or virus-carrying adult shrimp was confirmed to kill healthy kuruma shrimp by injection challenge. Eleven decapod crustacean species, which were caught inside and outside kuruma shrimp ponds where PAV occurred, were PRDV-positive by 2-step PCR. The virus was frequently detected in the shore crab Helice tridents. The kuruma shrimp that cohabited with those infected shore crabs died showing white spots inside of the carapace, from which the virus was detected. These results suggest that PRDV can be transmitted by both horizontal and vertical routes.

引用

页码：373 / 380

页数：8

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