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The stimulation effects of green light on the growth, testicular development and stress of olive flounder Paralichthys olivaceus
Zou, Yuxia1,2,3; Peng, Zhuangzhuang1,2,3; Wang, Wenxiang1,2,3,4; Liang, Shaoshuai1,2,3; Song, Changbin5; Wang, Lijuan1,2,3; Wu, Zhihao1,2,3; Wu, Qiaowan1,2,3,4; Tan, Xungang1,2,3; You, Feng1,2,3
2022-01-15
Source PublicationAQUACULTURE
ISSN0044-8486
Volume546Pages:8
Corresponding AuthorYou, Feng(youfeng@qdio.ac.cn)
AbstractThe light spectrum is one of the photic environmental factors. To investigate the effects of the light spectrum on the growth, testicular development and stress in fish, the olive flounder (Paralichthys olivaceus) from total length 1.5 cm were exposed to green light or white light for 205 days. The total length and body weight of the flounder reared under green light were significantly higher than those under white light. No significant difference in survival rate was found between the two groups. Levels of growth hormone (GH) and insulin-like growth factor (IGF) in serum were higher in flounders exposed to green light than those to white light. The gene expression levels were analyzed by quantitative-real time PCR. In hypothalamus, the mRNA levels of salmon gonadotropin-releasing hormone 3 (gnrh3) were significantly higher in the flounders exposed to green light than white light (p < 0.01); while melatonin receptor 1 and melatonin receptor 2 mRNA level was significantly lower in the green group (p < 0.05). In pituitary, luteinizing hormone (beta-subunit mRNA level was significantly higher under green light (p < 0.05). Gonadal histology analysis showed that there was significant difference in the testicular development between the two groups. Cortisol level was higher in flounders exposed to green light than white light both in the whole body and in serum. In conclusion, green light could promote growth by elevating GH and IGF levels in serum and expression levels of gnrh3 in hypothalamus, stimulate testicular development via hypothalamus-pituitary-gonad axis, and cause higher levels of cortisol in flounder. These results indicate green light could be used in aquaculture to increase production and be helpful for breeding.
Keywordgnrh3 Testicular development stage Luteinizing hormone beta-subunit Cortisol
DOI10.1016/j.aquaculture.2021.737275
Indexed BySCI
Language英语
Funding ProjectNational Key R & D Program of China[2017YFD0404000] ; National Natural Science Foundation of China[31872558] ; National Natural Science Foundation of China[31772834]
WOS Research AreaFisheries ; Marine & Freshwater Biology
WOS SubjectFisheries ; Marine & Freshwater Biology
WOS IDWOS:000729132800009
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/177471
Collection实验海洋生物学重点实验室
Corresponding AuthorYou, Feng
Affiliation1.Chinese Acad Sci, Ctr Ocean Megasci, Inst Oceanol, CAS, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Megasci, Inst Oceanol, Shandong Prov Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Biol & Biotechnol, Qingdao 266237, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China
First Author AffilicationCenter for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationCenter for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zou, Yuxia,Peng, Zhuangzhuang,Wang, Wenxiang,et al. The stimulation effects of green light on the growth, testicular development and stress of olive flounder Paralichthys olivaceus[J]. AQUACULTURE,2022,546:8.
APA Zou, Yuxia.,Peng, Zhuangzhuang.,Wang, Wenxiang.,Liang, Shaoshuai.,Song, Changbin.,...&You, Feng.(2022).The stimulation effects of green light on the growth, testicular development and stress of olive flounder Paralichthys olivaceus.AQUACULTURE,546,8.
MLA Zou, Yuxia,et al."The stimulation effects of green light on the growth, testicular development and stress of olive flounder Paralichthys olivaceus".AQUACULTURE 546(2022):8.
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