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Impact of hypoxia stress on the physiological responses of sea cucumber Apostichopus japonicus: respiration, digestion, immunity and oxidative damage
Huo, Da1,2,3; Sun, Lina1,2; Ru, Xiaoshang1,2,3; Zhang, Libin1,2; Lin, Chenggang1,2; Liu, Shilin1,2; Xin, Xiaoke1,2,3; Yang, Hongsheng1,2
2018-04-27
Source PublicationPEERJ
ISSN2167-8359
Volume6Pages:24
Corresponding AuthorSun, Lina(sunlina@qdio.ac.cn) ; Yang, Hongsheng(hshyang@qdio.ac.cn)
AbstractHypoxia is one of the most frequently occurring stressors confronted by industrial cultures of sea cucumber and can cause large economic losses and resource degradation. However, its responsive mechanisms are still lacking. In this paper, the physiological responses of Apostichopus japonicus to oxygen deficiency was illustrated, including induced oxidative response and immune defense and changed digestive enzymes activities. Significantly increased activities of alpha-amylase (AMS), acid phosphatase (ACP), lactate dehydrogenase, catalase, peroxidase, succinate dehydrogenase and higher content of malondialdehyde, and decreased activities of lipase and trypsin (TRY) were observed after hypoxia exposure (dissolved oxygen [DO] 2 mg/L). Expressions of key genes showed that AMS, peptidase, ACP, alkaline phosphatase, lysozyme, heat shock protein 70 and glutathione peroxidase were increased and TRY was decreased under hypoxia. With the decline of the DO level, the decreased tendency of oxygen consumption rates was different in varied weight groups. Moreover, respiratory trees were observed degraded under long-term hypoxia stress, thus leading a negative effect of respiration. These results could help to develop a better understanding of the responsive mechanism of sea cucumber under hypoxia stress and provide a theoretical basis for the prevention of hypoxia risk.
KeywordEchinoderm Anoxia Metabolism Aquatic environment Dissolved oxygen Physiological behavior
DOI10.7717/peerj.4651
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41776161] ; National Natural Science Foundation of China[41776162] ; Qingdao Applied Basic Research Program[17-1-1-49-JCH] ; NSFC-Shandong Joint Fund for Marine Science Research Centers[U16060404] ; Open Research Fund Program of Guangxi Key Laboratory of Marine Biotechnology[GLMBT-201605] ; Creative Team Project of the Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology[LMEES-CTSP-2018-1] ; Taishan Scholars Program (Distinguished Taishan Scholars)
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000431378500005
PublisherPEERJ INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/158977
Collection海洋生态与环境科学重点实验室
Corresponding AuthorSun, Lina; Yang, Hongsheng
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Huo, Da,Sun, Lina,Ru, Xiaoshang,et al. Impact of hypoxia stress on the physiological responses of sea cucumber Apostichopus japonicus: respiration, digestion, immunity and oxidative damage[J]. PEERJ,2018,6:24.
APA Huo, Da.,Sun, Lina.,Ru, Xiaoshang.,Zhang, Libin.,Lin, Chenggang.,...&Yang, Hongsheng.(2018).Impact of hypoxia stress on the physiological responses of sea cucumber Apostichopus japonicus: respiration, digestion, immunity and oxidative damage.PEERJ,6,24.
MLA Huo, Da,et al."Impact of hypoxia stress on the physiological responses of sea cucumber Apostichopus japonicus: respiration, digestion, immunity and oxidative damage".PEERJ 6(2018):24.
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