Temperature-induced physiological stress and reproductive characteristics of the migratory seahorse Hippocampus erectus during a thermal stress simulation

CORC > 南海海洋研究所 > 中国科学院南海海洋研究所 > 中科院海洋生物资源可持续利用重点实验室

	Temperature-induced physiological stress and reproductive characteristics of the migratory seahorse Hippocampus erectus during a thermal stress simulation
	Guisbert, E; Qin, G; Johnson, C; Zhang, Y; Zhang, HX; Yin, JP; Miller, G; Turingan, RG; Lin, Q
刊名	BIOLOGY OPEN
	2018
卷号	7 期号:6 页码:-UNSP bio032888
通讯作者	linqiangzsu@163.com
英文摘要	Inshore-offshore migration occurs frequently in seahorse species, either because of prey opportunities or because they are driven by reproduction, and variations in water temperature may dramatically change migratory seahorse behavior and physiology. The present study investigated the behavioral and physiological responses of the lined seahorse Hippocampus erectus under thermal stress and evaluated the potential effects of different temperatures on its reproduction. The results showed that the thermal tolerance of the seahorses was time dependent. Acute thermal stress (30 degrees C, 2-10 h) increased the basal metabolic rate (breathing rate) and the expression of stress response genes (Hsp genes) significantly and further stimulated seahorse appetite. Chronic thermal treatment (30 degrees C, 4 weeks) led to a persistently higher basal metabolic rate, higher stress response gene expression and higher mortality rates, indicating that the seahorses could not acclimate to chronic thermal stress and might experience massive mortality rates due to excessively high basal metabolic rates and stress damage. Additionally, no significant negative effects on gonad development or reproductive endocrine regulation genes were observed in response to chronic thermal stress, suggesting that seahorse reproductive behavior could adapt to higher-temperature conditions during migration and within seahorse breeding grounds. In conclusion, this simulation experiment indicates that temperature variations during inshore-offshore migration have no effect on reproduction, but promote significantly high basal metabolic rates and stress responses. Therefore, we suggest that the observed high tolerance of seahorse reproduction is in line with the inshore-offshore reproductive migration pattern of lined seahorses. This article has an associated First Person interview with the first author of the paper.
学科主题	Life Sciences & Biomedicine - Other Topics
关键词[WOS]	Seahorse ; Temperature ; Reproduction ; Reproductive endocrine regulation ; Migration
内容类型	期刊论文
源URL	[http://ir.scsio.ac.cn/handle/344004/16933]
专题	南海海洋研究所_中科院海洋生物资源可持续利用重点实验室
推荐引用方式 GB/T 7714	Guisbert, E,Qin, G,Johnson, C,et al. Temperature-induced physiological stress and reproductive characteristics of the migratory seahorse Hippocampus erectus during a thermal stress simulation[J]. BIOLOGY OPEN,2018,7(6):-UNSP bio032888.
APA	Guisbert, E.,Qin, G.,Johnson, C.,Zhang, Y.,Zhang, HX.,...&Lin, Q.(2018).Temperature-induced physiological stress and reproductive characteristics of the migratory seahorse Hippocampus erectus during a thermal stress simulation.BIOLOGY OPEN,7(6),-UNSP bio032888.
MLA	Guisbert, E,et al."Temperature-induced physiological stress and reproductive characteristics of the migratory seahorse Hippocampus erectus during a thermal stress simulation".BIOLOGY OPEN 7.6(2018):-UNSP bio032888.