Influence of temperature on the pathogenicity of Ostreid herpesvirus-1 in ark clam, Scapharca broughtonii
OsHV-1 is an epidemic pathogen of molluscs, and temperature has been recognized as a decisive environmental factor in its pathogenicity. In recent years, ark clam, Scapharca broughtonii, emerged as a host for OsHV-1. In the north of China, massive summer mortalities of ark clams infected with OsHV-1...
Published in: | Journal of Invertebrate Pathology |
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ftchinacasciocas:oai:ir.qdio.ac.cn:337002/164429 2023-05-15T15:58:54+02:00 Influence of temperature on the pathogenicity of Ostreid herpesvirus-1 in ark clam, Scapharca broughtonii Xin, Lusheng Wei, Zhixin Bai, Changming Chen, Hao Huang, Bowen Wang, Chongming 2020 http://ir.qdio.ac.cn/handle/337002/164429 https://doi.org/10.1016/j.jip.2019.107299 英语 eng ACADEMIC PRESS INC ELSEVIER SCIENCE JOURNAL OF INVERTEBRATE PATHOLOGY http://ir.qdio.ac.cn/handle/337002/164429 doi:10.1016/j.jip.2019.107299 Ostreid herpesvirus 1 Temperature Mortality OsHV-1 DNA load Scapharca broughtonii Zoology OYSTER CRASSOSTREA-GIGAS OSTREID HERPESVIRUS-1 PACIFIC OYSTERS MORTALITIES INFECTIONS ECOLOGY 期刊论文 2020 ftchinacasciocas https://doi.org/10.1016/j.jip.2019.107299 2022-06-27T05:41:40Z OsHV-1 is an epidemic pathogen of molluscs, and temperature has been recognized as a decisive environmental factor in its pathogenicity. In recent years, ark clam, Scapharca broughtonii, emerged as a host for OsHV-1. In the north of China, massive summer mortalities of ark clams infected with OsHV-1 have been continuously reported since 2012. However, the interaction between temperature and the pathogenicity of OsHV-1 was unknown in ark clams. In this study, the effect of temperature (10 degrees C to 18 degrees C stepped by 2 degrees C) on the occurrence of OsHV-1 disease in ark clams was analyzed. OsHV-1 infection led to gill erosion but not below the critical low temperature (between 12 degrees C and 14 degrees C). However, OsHV-1 persisted for more than 2 weeks at 12 degrees C post inoculation and replication was reactivated when the temperature was elevated to 18 degrees C. No significant reduction of OsHV-1 DNA load was found when the temperature descended to 12 degrees C from 18 degrees C, while the gill erosion remained unchanged. Ark clams failed to show the capability of effective clearance of OsHV-1 below the critical low temperature. Our results demonstrated that the pathogenicity of OsHV-1 was influenced significantly by temperature. Moreover, high temperature favored infection, which could provide more information to understand summer mortality of ark clams. Report Crassostrea gigas Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR Pacific Journal of Invertebrate Pathology 169 107299 |
institution |
Open Polar |
collection |
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR |
op_collection_id |
ftchinacasciocas |
language |
English |
topic |
Ostreid herpesvirus 1 Temperature Mortality OsHV-1 DNA load Scapharca broughtonii Zoology OYSTER CRASSOSTREA-GIGAS OSTREID HERPESVIRUS-1 PACIFIC OYSTERS MORTALITIES INFECTIONS ECOLOGY |
spellingShingle |
Ostreid herpesvirus 1 Temperature Mortality OsHV-1 DNA load Scapharca broughtonii Zoology OYSTER CRASSOSTREA-GIGAS OSTREID HERPESVIRUS-1 PACIFIC OYSTERS MORTALITIES INFECTIONS ECOLOGY Xin, Lusheng Wei, Zhixin Bai, Changming Chen, Hao Huang, Bowen Wang, Chongming Influence of temperature on the pathogenicity of Ostreid herpesvirus-1 in ark clam, Scapharca broughtonii |
topic_facet |
Ostreid herpesvirus 1 Temperature Mortality OsHV-1 DNA load Scapharca broughtonii Zoology OYSTER CRASSOSTREA-GIGAS OSTREID HERPESVIRUS-1 PACIFIC OYSTERS MORTALITIES INFECTIONS ECOLOGY |
description |
OsHV-1 is an epidemic pathogen of molluscs, and temperature has been recognized as a decisive environmental factor in its pathogenicity. In recent years, ark clam, Scapharca broughtonii, emerged as a host for OsHV-1. In the north of China, massive summer mortalities of ark clams infected with OsHV-1 have been continuously reported since 2012. However, the interaction between temperature and the pathogenicity of OsHV-1 was unknown in ark clams. In this study, the effect of temperature (10 degrees C to 18 degrees C stepped by 2 degrees C) on the occurrence of OsHV-1 disease in ark clams was analyzed. OsHV-1 infection led to gill erosion but not below the critical low temperature (between 12 degrees C and 14 degrees C). However, OsHV-1 persisted for more than 2 weeks at 12 degrees C post inoculation and replication was reactivated when the temperature was elevated to 18 degrees C. No significant reduction of OsHV-1 DNA load was found when the temperature descended to 12 degrees C from 18 degrees C, while the gill erosion remained unchanged. Ark clams failed to show the capability of effective clearance of OsHV-1 below the critical low temperature. Our results demonstrated that the pathogenicity of OsHV-1 was influenced significantly by temperature. Moreover, high temperature favored infection, which could provide more information to understand summer mortality of ark clams. |
format |
Report |
author |
Xin, Lusheng Wei, Zhixin Bai, Changming Chen, Hao Huang, Bowen Wang, Chongming |
author_facet |
Xin, Lusheng Wei, Zhixin Bai, Changming Chen, Hao Huang, Bowen Wang, Chongming |
author_sort |
Xin, Lusheng |
title |
Influence of temperature on the pathogenicity of Ostreid herpesvirus-1 in ark clam, Scapharca broughtonii |
title_short |
Influence of temperature on the pathogenicity of Ostreid herpesvirus-1 in ark clam, Scapharca broughtonii |
title_full |
Influence of temperature on the pathogenicity of Ostreid herpesvirus-1 in ark clam, Scapharca broughtonii |
title_fullStr |
Influence of temperature on the pathogenicity of Ostreid herpesvirus-1 in ark clam, Scapharca broughtonii |
title_full_unstemmed |
Influence of temperature on the pathogenicity of Ostreid herpesvirus-1 in ark clam, Scapharca broughtonii |
title_sort |
influence of temperature on the pathogenicity of ostreid herpesvirus-1 in ark clam, scapharca broughtonii |
publisher |
ACADEMIC PRESS INC ELSEVIER SCIENCE |
publishDate |
2020 |
url |
http://ir.qdio.ac.cn/handle/337002/164429 https://doi.org/10.1016/j.jip.2019.107299 |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Crassostrea gigas |
genre_facet |
Crassostrea gigas |
op_relation |
JOURNAL OF INVERTEBRATE PATHOLOGY http://ir.qdio.ac.cn/handle/337002/164429 doi:10.1016/j.jip.2019.107299 |
op_doi |
https://doi.org/10.1016/j.jip.2019.107299 |
container_title |
Journal of Invertebrate Pathology |
container_volume |
169 |
container_start_page |
107299 |
_version_ |
1766394676722532352 |