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Effects of temperature and salinity on survival, growth and DNA methylation of juvenile Pacific abalone, Haliotis discus hannai Ino
Kong Ning1,3; Liu Xiao1; Li Junyuan1; Mu Wendan2; Lian Jianwu2; Xue Yanjie2; Li Qi4
2017-09-01
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
Volume35Issue:5Pages:1248-1258
SubtypeArticle
AbstractTemperature and salinity are two of the most potent abiotic factors influencing marine mollusks. In this study, we investigated the individual and combined effects of temperature and salinity on the survival and growth of juvenile Pacific abalone, Haliotis discus hannai Ino, and also examined the DNA methylation alteration that may underpin the phenotypic variation of abalone exposed to different rearing conditions. The single-factor data showed that the suitable ranges of temperature and salinity were 16-28A degrees C at a constant salinity of 32, and 24-40 at a constant temperature of 20A degrees C, respectively. The two-factor data indicated that both survival and growth were significantly affected by temperature, salinity and their interaction. The optimal temperature-salinity combination for juveniles was 23-25A degrees C and 30-36. To explore environment-induced DNA methylation alteration, the methylation-sensitive amplified polymorphism (MSAP) technique was used to analyze the genomic methylation profiles of abalone reared in optimal and adverse conditions. Neither temperature nor salinity induced evident changes in the global methylation level, but 67 and 63 differentially methylated loci were identified in temperature and salinity treatments, respectively. The between-group eigen analysis also showed that both temperature and salinity could induce epigenetic differentiation in H. discus hannai Ino. The results of our study provide optimal rearing conditions for juvenile H. discus hannai Ino, and represent the first step toward revealing the epigenetic regulatory mechanism of abalone in response to thermal and salt stresses.
KeywordPacific Abalone Temperature Salinity Survival Growth Dna Methylation
DOI10.1007/s00343-016-5185-z
Indexed BySCI
Language英语
WOS IDWOS:000410093300028
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/143184
Collection实验海洋生物学重点实验室
海洋生物技术研发中心
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Ningbo Univ, Ningbo 315211, Zhejiang, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Ocean Univ China, Qingdao 266003, Peoples R China
Recommended Citation
GB/T 7714
Kong Ning,Liu Xiao,Li Junyuan,et al. Effects of temperature and salinity on survival, growth and DNA methylation of juvenile Pacific abalone, Haliotis discus hannai Ino[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2017,35(5):1248-1258.
APA Kong Ning.,Liu Xiao.,Li Junyuan.,Mu Wendan.,Lian Jianwu.,...&Li Qi.(2017).Effects of temperature and salinity on survival, growth and DNA methylation of juvenile Pacific abalone, Haliotis discus hannai Ino.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,35(5),1248-1258.
MLA Kong Ning,et al."Effects of temperature and salinity on survival, growth and DNA methylation of juvenile Pacific abalone, Haliotis discus hannai Ino".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 35.5(2017):1248-1258.
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