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Effects of acute and chronic thermal stress on survival, apoptosis, and transcriptional responses of Scapharca broughtonii

文献类型：期刊论文

作者Zou, Desheng4,5; Cao, Weian5; Liu, Guilong3; Ning, Junhao4,5; Lu, Xia4,5; Wang, Jinjing4,5; Chen, Min4,5; Liu, Bo2; Zhang, Jinsheng1; Wang, Chunde2,3,5
刊名JOURNAL OF OCEANOLOGY AND LIMNOLOGY
出版日期2023-08-26
页码11
ISSN号2096-5508
关键词Scapharca broughtonii thermal stress apoptosis necrosis gene expression
DOI10.1007/s00343-022-2092-3
通讯作者Ning, Junhao(jhning@yic.ac.cn)
英文摘要Ocean warming is altering the habitats of marine invertebrates, which has resulted in an increased physiological stress to marine molluscs, especially those intertidal bivalves, such as the ark shell Scapharca broughtonii. We investigated the physiological and transcriptional responses of ark shells to acute and chronic thermal stress results showed that at 33 degrees C, a significantly higher cumulative mortality (55.7%) occurred under acute thermal stress than chronic thermal stress. The apoptosis rate of hemocytes was sustained at higher levels and the necrosis rate was increased significantly in a time-dependent manner under acute thermal stress. However, under chronic thermal stress, the apoptosis and necrosis rates exhibited similar change trends: a rapid increase followed by a gradual decline and sustained at a relatively high level until the end of the experiment. The expressions of heat shock protein genes (HSP20 and HSP90), apoptosis-related genes (TRAF6, GRP78, NIX, and Casp-3), antioxidative-related genes (GST and MRP) and cellular detoxification-related genes (HbIIB, NOS -1, HO -1, and ENO -1) were up regulated significantly under both acute and chronic thermal stresses. These results demonstrated that the anti-apoptotic system, antioxidant defense system, cellular detoxification system, and heat shock proteins (HSPs) played vital roles for ark shells in response to thermal stress. As acute thermal stress can result in irreversible damage to marine molluscs, it is thus advised that chronic thermal stress should be used to select thermal-resistant ark shell strains.
WOS关键词NITRIC-OXIDE SYNTHASE ; HEAT-SHOCK PROTEINS ; OXIDATIVE STRESS ; TEMPERATURE ; EXPRESSION ; ADAPTATION
WOS研究方向Marine & Freshwater Biology ; Oceanography
语种英语
WOS记录号WOS:001070923300005
资助机构We are grateful to all the laboratory members and anonymous reviewers for their technical advice and helpful discussions.
源URL[http://ir.yic.ac.cn/handle/133337/32845]  
专题海岸带生物学与生物资源利用重点实验室
海岸带生物资源高效利用研究与发展中心
通讯作者Ning, Junhao
作者单位1.Zhaoyuan Xiadian Agr Technol Promot Stn, Yantai 265415, Peoples R China
2.Qingdao Agr Univ, Qingdao 266109, Peoples R China
3.Yantai Spring Sea AquaSeed Co Ltd, Yantai 264006, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
推荐引用方式
GB/T 7714		 Zou, Desheng,Cao, Weian,Liu, Guilong,et al. Effects of acute and chronic thermal stress on survival, apoptosis, and transcriptional responses of Scapharca broughtonii[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2023:11.
APA Zou, Desheng.,Cao, Weian.,Liu, Guilong.,Ning, Junhao.,Lu, Xia.,...&Wang, Chunde.(2023).Effects of acute and chronic thermal stress on survival, apoptosis, and transcriptional responses of Scapharca broughtonii.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,11.
MLA Zou, Desheng,et al."Effects of acute and chronic thermal stress on survival, apoptosis, and transcriptional responses of Scapharca broughtonii".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2023):11.

入库方式： OAI收割

来源：烟台海岸带研究所

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